OA ARCHITECTURE

Discover OA Architecture, a RIBA Chartered practice delivering thoughtful, sustainable architecture across education, residential, science, healthcare, heritage and commercial sectors.

OA ARCHITECTURE

DESIGNING FOR PEOPLE, PLACE & PURPOSE SINCE 1962

Contents 1 OA ARCHITECTURE Introduction, Company History & Studios 16 RESIDENTIAL Private Homes, Developments Renovations, Interior Design 50 ACADEMIC Universities, Private Schools, State Schools, SEN Schools 86 COMMERCIAL Fit-out, Offices, Conversions, New Build, Restoration

168 SERVICES More Than Just Architecture

172 ARCHITECTURE

174 INTERIOR DESIGN

176 HERITAGE AND CONSERVATION

178 MASTERPLANNING

98 INNOVATION Labs, Tech Incubators, Research Facilities

180 PRINCIPAL DESIGNER BR

182 PRINCIPAL DESIGNER CDM

110 HEALTHCARE Acute Healthcare, Mental Health, Specialist Residential 138 CULTURE Community Centres, Village Halls, Museums, Galleries 158 TRANSPORT Train Stations, Roadside Services, Car Parks, Roadside Retail

184 PROJECT ARCHIVE

Rooted in place Driven by design Founded in 1962

We are a practice rooted in place, driven by design, and united by a belief that architecture should enhance everyday life - intelligently, responsibly, and beautifully.

OA ARCHITECTURE

64 Years of Design

1962 2000+ UK-wide

Founded in

Projects delivered

Portfolio accross all sectors

OA ARCHITECTURE

At OA every project begins with a conversation Before a single line is drawn, we take the time to understand the values, priorities and patterns of use that shape a place and the people who interact with it Our process is collaborative and carefully considered, allowing ideas to develop naturally as we respond to context, brief and the practical realities of planning and construction. The result is architecture that is not only beautiful, but purposeful - spaces designed around the people who use them, rather than imposed upon them.

The Chapel, Barstaple House Interior refurbishment and redevlopment to Grade II Listed Almshouse

OA ARCHITECTURE

The OA team stood outside Bagley Croft, now the site of our Oxford Studio in 1983

Three Studios, One Practice

1962 2000 2025

Oxford Studio Founded

Bristol Studio Founded

Cambridge Studio Founded

OA ARCHITECTURE

Working across multiple Sectors

INNOVATION

CULTURE

15 TRANSPORT

RESIDENTIAL

HEALTHCARE

ACADEMIC

COMMERCIAL

OA ARCHITECTURE

PRIVATE HOMES DEVELOPMENTS REFURBISHMENT SOCIAL HOUSING INTERIORS

RESIDENTIAL

What’s built into every OA designed home

3 64 1

Studios in Oxford, Bristol & Cambridge supporting every project

Years of continuous engagement in the sector

Dedicated project team from concept to completion

OA ARCHITECTURE

RESIDENTIAL

Residential From intimate rural retreats to ambitious urban masterplans, OA approaches residential design with the fundamental belief that good housing should support individuals and strengthen communities. Our portfolio spans bespoke one-off homes tailored to specific lifestyles and aspirations, through to large-scale developments and strategic housing schemes that respond to contemporary living patterns and demographic shifts. Each project begins with deep contextual understanding - whether urban, rural, or historic - ensuring every home feels genuinely rooted in its setting. We design contemporary townhouses that enliven city streets, family homes that nurture growing households, and curated housing schemes that create lasting neighbourhoods with genuine character and community focus. Our extensive work in the affordable housing sector demonstrates how practical constraints and regulatory requirements can inspire imaginative solutions that exceed both client expectations and policy standards while delivering genuine social value. Sustainability drives our design process from project inception, integrated as a core design principle rather than an afterthought. We seamlessly incorporate Modern Methods of Construction, Passivhaus principles, and carefully selected low-impact materials to create homes that are energy-efficient, future-proof, and environmentally responsible. Every design decision prioritizes occupant wellbeing, long-term liveability, and enduring value - recognising that successful residential architecture must perform across generations while adapting to changing needs and lifestyles.

Our established relationships with local authorities and comprehensive planning expertise enable us to unlock challenging sites and secure complex consents for both private clients and national developers. We understand the intricate balance between design ambition and planning reality, consistently achieving approvals for innovative schemes that might initially appear unfeasible. Through collaborative partnerships with clients, specialist consultants, and experienced contractors, we ensure each scheme achieves exceptional standards of design quality, technical performance, and construction delivery. The result is residential architecture shaped by design vision, technical depth, and profound contextual sensitivity - homes that function beautifully, respond to their surroundings, and genuinely enrich the daily lives of those who inhabit them. Whether creating a single family home or reimagining entire neighbourhoods, we remain committed to architecture that enhances human experience.

Heron Wood House

OA ARCHITECTURE

RURAL CONTEMPORARY TRADITIONAL INTERIORS REFURBISHMENT

PRIVATE HOMES

Private Homes We have a large portfolio of work illustrating exciting and innovative houses for individual clients. From modest to exemplary in scale, we aim to achieve the design aspirations of our clients and marry these harmoniously through function and form into the intricate setting that each individual site offers. The opportunity to design a single dwelling for an individual or family is a significant responsibility that is undertaken with great care and consideration. The input that drives the design is always complex but the outcome from this, in our experience, is always truly rewarding. The Language of Materials A home is more than shelter; it is a dialogue between material, light, and time. Each element is chosen with intention - grounding the building in its surroundings, embracing authenticity, and ensuring longevity. Natural stone, responsibly sourced timber, and hand-crafted brick are selected not just for their beauty but for their connection to place, their ability to age gracefully, and their low environmental impact. Where possible, working with local suppliers supports artisans whose craft adds depth and character to each project. A home built from its own landscape - its stone, its clay, its timber - feels rooted, as if it has always belonged. Thoughtful material selection transforms architecture into storytelling, crafting homes that are not only built to last but to be loved for generations.

OA ARCHITECTURE

PRIVATE HOMES

Contemporary Homes

Our contemporary residential work embraces innovative design while remaining deeply rooted in its context. Oxford View (pictured) exemplifies this approach - a carefully considered new build home set within the steep, wooded slopes of Boars Hill, where architecture and landscape are intrinsically linked. Responding to significant ecological and topographical constraints, the design takes cues from its surroundings. Ancient woodland, mature oak trees and protected habitats shape a sinuous form that sits lightly within the landscape, allowing the building to integrate naturally into its setting. An ‘upside-down’ arrangement places seven ensuite bedrooms at ground level, with principal living spaces above to capture expansive views towards the Oxford spires. Generous, light-filled interiors are complemented by a suite of spaces including an open-plan kitchen and dining area, cinema, gym and outdoor living areas, all carefully positioned to strengthen the relationship between inside and out. Across the wider site, a series of terraces, water features and nature-led interventions create a cohesive and environmentally responsive setting. The project reflects our commitment to contemporary architecture that enhances daily life while responding intelligently and sensitively to its environment.

OA ARCHITECTURE

Cotswolds Pool House A refined contemporary intervention in a rural Cotswolds Estate

PRIVATE HOMES

Traditional Homes

Traditional architecture requires mastery of historic proportions, materials, and craftsmanship combined with contemporary performance standards. The Cotswold Estate (pictured) demonstrates our expertise in creating new traditional architecture - a seven-bedroom Georgian-inspired manor house constructed using modern sustainable building methods while employing traditional craftsmanship and local materials. Situated within Green Belt and Conservation Area constraints, the design carefully complements its Oxfordshire countryside setting through classically proportioned façades and refined detailing that reflect regional architectural heritage. Large, strategically positioned openings maximise natural light and panoramic views, ensuring strong connections between home and rural landscape. The accompanying detached garage, designed as a traditional stable block in matching ashlar stone, provides secure housing for the client’s luxury vehicle collection. Our traditional homes prove that historic architectural languages remain relevant and beautiful when executed with authentic understanding of proportion, detail, and materials. We create buildings that feel genuinely rooted in their time and place while delivering exceptional contemporary living standards.

OA ARCHITECTURE

PRIVATE HOMES

Rural Homes Rural architecture demands a careful understanding of vernacular character and landscape setting. Meadow Barn (pictured) exemplifies this approach - a sensitive conversion and extension of a former stable block within a traditional Oxfordshire farmstead courtyard. The existing stone structure, defined by rubble walls, clay tiles and simple agricultural detailing, is retained and celebrated as part of a cohesive group of historic outbuildings. The design preserves the established courtyard relationship, reinforcing the building’s role within the wider composition while introducing subtle, contemporary interventions. The scheme has been carefully developed to support multi- generational living, allowing the current owners to remain on site as the main farmhouse passes to the next generation. A modest single-storey extension provides accessible, future- proofed accommodation, complemented by a refined reworking of the roof to enhance performance and usability. An ‘upside-down’ arrangement places bedrooms at ground level, with living spaces above to take advantage of views across new orchard planting and the surrounding meadow landscape. A restrained material palette - drawing on reclaimed brick, timber and agricultural references - ensures the building sits comfortably within its rural context. The project reflects our commitment to architecture that evolves existing structures with care, balancing heritage, functionality and environmental performance to create a lasting and considered addition to the landscape.

OA ARCHITECTURE

PRIVATE HOMES

Refurbishments

OA brings careful consideration to residential refurbishment, balancing respect for historic fabric with the practical needs of contemporary living. We believe successful heritage refurbishment requires thoughtful intervention—preserving and restoring original features while introducing modern elements that enhance functionality without compromising architectural integrity. We address fundamental building pathology, replacing inappropriate materials with breathable traditional systems and treating structural decay to ensure long-term building health. The challenge lies in accommodating modern living within historic spatial configurations through open-plan areas, contemporary kitchens, and flexible spaces that respect original proportions. At Barstaple House (pictured), these principles transformed a neglected Grade II* listed Chapel into a three-bedroom contemporary home, demonstrating how sensitive refurbishment can revive derelict heritage buildings as exceptional modern residences.

OA ARCHITECTURE

The Chapel, Barnstaple House Interior refurbishment and redevelopment to Grade II Listed Almshouse

OA ARCHITECTURE

CONTEMPORARY MIXED- USE MASTERPLANNING AFFORDABLE HOUSING

DEVELOPMENTS

Moxon House, Barnet OA appointed as delivery architect from RIBA stage 4 onwards

DEVELOPMENTS

Private Developments

OA work with developers and housing providers on residential schemes from intimate infill developments to substantial communities of 200+ units. Our experience spans challenging urban sites through to greenfield opportunities, addressing complex planning constraints while achieving the density, typology, and tenure mixes essential for scheme viability. We maintain involvement from initial feasibility through planning approval, technical design, and construction delivery. Whether delivering a small bespoke scheme or creating an entire new neighbourhood, we understand the commercial realities of residential development and work collaboratively to achieve successful outcomes. Pictured: Wapping Wharf, Bristol - sensitive yet contemporary residential development near the listed Wapping Wharf, creating 13 high-quality serviced apartments.

OA ARCHITECTURE

Designed to Secure Consent and Deliver Value

64 3

Years working with UK planning authorities

Regional studios supporting every project

Integrated design - to - delivery process

OA ARCHITECTURE

36 & 36 Boutport Street Converison of Listed building to mixed use developmemt alongside new build

DEVELOPMENTS

Affordable Housing Through strong partnerships with housing providers throughout the UK, we deliver new communities that meet diverse social housing needs. Our portfolio spans new build and refurbished affordable housing for rent and shared ownership, family housing and apartments, single- person accommodation and hostels, sheltered housing, and care in the community facilities. Sustainable design drives our affordable housing approach. We adopt a ‘fabric first’ methodology combined with Modern Methods of Construction to create highly insulated buildings with low embodied energy and high thermal mass. After careful site analysis establishes optimum orientation, footprint, and massing, we prioritize building envelope performance to minimize heating requirements while delivering excellent acoustic and thermal comfort. Our designs integrate renewable energy sources where appropriate, reducing operational costs and extending building lifespan—critical considerations for affordable housing where long-term running costs significantly impact tenant wellbeing and scheme viability. We understand that sustainable design in the affordable sector isn’t merely an environmental imperative - it’s an economic and social responsibility. As technologies evolve, we continuously explore how innovative materials and construction methods can generate more appropriate housing typologies. This commitment to research and development ensures our affordable housing schemes remain at the forefront of performance standards, delivering genuine social value through buildings that are economical to run, comfortable to inhabit, and built to last. We approach every affordable housing project with the understanding that these homes fundamentally shape lives and communities.

OA ARCHITECTURE

UNIVERSITIES INDEPENDANT SCHOOLS STATE SCHOOLS SEN SCHOOLS

ACADEMIC

Respecting tradition, designing for tomorrow

1962 2040 100%

Year OA was founded

Net-zero carbon commitment

Focus on long-term building performance

OA ARCHITECTURE

ACADEMIC

Academic We bring extensive knowledge, experience, and expertise to the design and delivery of educational buildings, from schools to universities. Our portfolio spans a wide range of educational environments, including special needs schools, Nursery and Primary schools, Secondary and Sixth Form facilities, as well as both refurbishment and new-build projects. Whether utilising traditional or innovative procurement methods, we ensure every project is delivered successfully, meeting the specific needs of our clients. Our involvement begins at the strategic level with site masterplanning and development control plans for schools. We have experience in a full spectrum of educational facilities, including classrooms, laboratories, performing arts spaces, sports halls, learning resource centres, IT suites, dining areas, and more. Each space we design is carefully crafted to inspire and facilitate learning, with a focus on flexibility to accommodate changing needs. We are proud to have worked with a range of esteemed clients, including The University of Oxford and its colleges, The University of Bristol, St Hugh’s School in Carswell, and Summer Fields School in Oxford. With these projects, we’ve created environments that foster academic achievement, collaboration, and personal growth, while ensuring that the design of each building complements its educational mission. In the university sector, our focus is on creating spaces that not only meet the immediate needs of the campus but also encourage long-term innovation and understanding. Whether for research laboratories, teaching spaces, or student accommodation, we

design with the goal of fostering collaborative, flexible environments that support both students and staff in their academic pursuits.

Educational buildings must evolve alongside the needs of students and the rapid advances in technology. At OA we understand the importance of creating spaces that are both adaptable and inspiring, supporting creativity, well-being, and the academic success of everyone who uses them. Our designs are built with the future in mind, ensuring that they continue to serve and inspire generations to come. Above all, our approach to education design is centred on collaboration. We work closely with each client, engaging with all stakeholders to ensure the final design reflects the unique vision and goals of the institution. Through ongoing dialogue, we create spaces that not only support educational outcomes but also contribute to a positive, dynamic atmosphere that enhances the learning experience for all.

St Catherine’s College, Oxford

OA ARCHITECTURE

CONTEMPORARY HERITAGE REFURBISHMENT CHANGE OF USE

UNIVERSITIES

1964

1990

1993

2001

2025

UNIVERSITIES

Building Oxford’s future, honouring it’s past

For over sixty years, OA has contributed to the University of Oxford’s architectural evolution, balancing respect for its nine-century heritage with innovative responses to contemporary needs. Our relationship began in 1964 with Balliol College’s student accommodation scheme, a building that still stands as testament to its enduring quality. Former Partner Geoffrey Beard’s 1986 music room for Corpus Christi College exemplifies our approach: contemporary architecture that enhances rather than competes with Oxford’s historic fabric. At St Cross College, our 1991 south wing extension demonstrated seamless integration within Oxford’s collegiate environment. The Dorothy Hodgkin Building at Somerville College (1990) housed the Margaret Thatcher Centre, reflecting the evolving aspirations of Oxford’s pioneering women’s colleges. From St Anne’s College (2016) to our ongoing St Catherine’s College RAAC Replacement project, we continue addressing modern challenges while maintaining architectural excellence. Our enduring relationship with Oxford reflects deep understanding of this extraordinary institution. Each college possesses distinct identity and traditions, requiring bespoke solutions that honour individual character while serving collective purposes.

ST CROSS COLLEGE

HERTFORD COLLEGE

SOMERVILLE COLLEGE

59 ST CATHERINE’S COLLEGE

BALLIOL COLLEGE

OA ARCHITECTURE

Over 8000sqm of RAAC - bigger than a full sized football pitch

As Jessica Inglis, Physics School Manager at the University of Bristol, notes, “OA helped us with a tough refurbishment

UNIVERSITIES

St Catherine’s College, Oxford

St Catherine’s College stands as one of Britain’s most significant modernist masterpieces - Arne Jacobsen’s Grade I listed 1960s campus represents a complete architectural vision where every element was meticulously designed. When Reinforced Autoclaved Aerated Concrete (RAAC) was identified in roof structures across 8,074m² of the original buildings, the College faced the complex challenge of remediating this material while preserving the integrity of Jacobsen’s design. We are working with the College to address RAAC across the Kitchen, Dining Hall, Junior and Senior Common Rooms, Administration Block, Wolfson Library, Bernard Sunley Building, and accommodation blocks. The remediation programme requires exceptional sensitivity - these aren’t simply listed buildings requiring repair, but internationally significant examples of mid-century modernism where architectural authenticity is paramount. Following approval of Planning and Listed Building Consent by Oxford City Council in 2024, construction works commenced in early 2025 with contractor Beard. The phased approach prioritises central facilities - Kitchen, Common Rooms, Dining Hall, Library, and Bernard Sunley Building - ensuring the College can maintain operations while safeguarding these critical spaces. This project exemplifies the technical and heritage challenges inherent in maintaining post-war modernist architecture. The work requires balancing structural necessity with conservation philosophy, ensuring remediation preserves Jacobsen’s vision while guaranteeing long-term building safety and demonstrating how careful intervention can extend the life of irreplaceable modernist heritage for future generations.

OA ARCHITECTURE

2013

2017

2018

UNIVERSITIES

Shaping Bristol’s Academic Future OA has established a strong partnership with the University of Bristol, one of the UK’s leading research universities and a founding member of the prestigious Russell Group. Founded in 1909, Bristol consistently ranks among the top universities globally. Our work demonstrates our ability to enhance both historic and contemporary university environments. At the H.H. Wills Physics Laboratory (2013), we sensitively upgraded the 1960s extension of this listed building within Tyndall’s Park Conservation Area, including new curtain walling and enhanced thermal performance while respecting its prominent hilltop location. The Centre for Innovation in the Richmond Building (2017) exemplifies our understanding of modern pedagogical needs, creating flexible teaching and research spaces to support Bristol’s innovative Joint Honours programme across eleven degree courses. Our expertise in transforming existing spaces is evident at 33 Colston Street (2017), where we rebuilt student accommodation following severe fire damage, enhancing facilities with en-suite bathrooms and improved social spaces. At One Cathedral Square (2018), we delivered a complete Cat B fit-out across 2,500sqm, accommodating 320 staff in Bristol’s city centre. The Indoor Sports Centre project increased gym capacity by 30% while creating transparent façades that advertise activities to the campus community. At 31 Great George Street (2017), we delivered 3,600sqm of prestigious open-plan offices overlooking Brandon Hill for 360 university staff.

31 GREAT GEORGE STREET

65 ONE CATHEDRAL SQUARE

H.H. WILLS PHYSICS LABORATORY

33 COLSTON STREET

CENTRE FOR INNOVATION

OA ARCHITECTURE

NEW BUILD SPECIALIST FACILITIES HERITAGE CONSERVATION

SCHOOLS

Summer Fields have found OA’s collaborative, ‘can- do’ attitude invaluable and greatly appreciate their expertise.

OA’s proactive, solutions - driven approach, has been instrumental to the success of our schemes.

JADE KANTAUSKAS, PROPERTY DEVELOPMENT LEAD - Spaghetti Bridge, Schools

JAMES KIRK, BURSAR - Summer Fields School

PRIVATE HOMES

INDEPENDANT SCHOOLS

St Hugh’s School

A distinguished independent school set within a Grade II listed Oxfordshire estate, providing inspiring education for children aged 3-13. The school was awarded Best Prep School 2024 by Tatler. We have developed a close partnership with St Hugh’s, delivering thoughtfully designed facilities that enhance educational opportunities while respecting the school’s historic setting. The Dovecote Library (2018) represents our most significant contribution - transforming the unused Grade II listed Dovecote into a vibrant library with lightweight mezzanine and sympathetic extension. Natural oak cladding and a memorial garden courtyard create an inspiring learning environment that preserves historic character. The Sports Hall and Pool project (2020) delivered a new indoor pool and changing facilities using local stone and timber cladding to complement the listed setting. Additional projects include the CDT Building (2010) and Music Room (2015).

Sports Centre

These projects demonstrate our understanding of independent education’s evolving needs while honouring architectural heritage.

Music Room

Dovecote Library

OA ARCHITECTURE

Dovecote Library, St Hugh’s School Refurbishment and repair of Grade II listed library with sensitive extension

INDEPENDANT SCHOOLS

Summerfield School We have developed a long-standing relationship with Summer Fields School, supporting the ongoing evolution of its estate through a series of carefully considered interventions that balance heritage, functionality and the needs of a modern preparatory education. Working within one of Oxford’s most established school settings, our projects have focused on enhancing existing buildings while introducing contemporary elements that enrich the wider campus. From the creation of a new Pre-Prep at Newton Lodge to the sensitive refurbishment of the School Chapel and the transformation of the historic New Room into a vibrant library (pirctured), each project reflects a tailored response to both brief and context. Our work has improved environmental performance, increased capacity and introduced flexible, future-ready teaching spaces, all while preserving the character of the original buildings. Together, these interventions demonstrate how thoughtful, incremental design can support the long- term development of a school, reinforcing identity while enabling it to adapt and thrive.

OA ARCHITECTURE

Newton Lodge, Summerfields School Contemporary extension to historic building to create new Pre-Prep School

OA ARCHITECTURE

ADAPTATIONS SPECIALIST STRUCTURES ACCESSIBILITY EXTENSIONS

SEN SCHOOLS

Built to evolve

2 ∞

Flexible design framework

Indoor and outdoor learning environments

Capacity to adapt over time

OA ARCHITECTURE

PRIVATE HOMES SEN SCHOOLS

SEN Schools

We have extensive experience delivering specialist environments for children and young people with additional educational needs, working across both new-build and refurbishment projects to create spaces that are supportive, adaptable and inclusive. Our work in SEN education spans a wide range of requirements - including Social, Emotional and Mental Health (SEMH) needs, autism spectrum conditions and high- anxiety environments - where the design of space plays a critical role in wellbeing, engagement and learning outcomes. Across projects such as iCollege in West Berkshire, the new-build campus at Manor Green School, and the transformation of existing buildings at Valley Bridge School and Castle @ Theale (pictured), our approach is consistently centred on the individual. Classrooms are carefully scaled, with access to quiet and breakout spaces, strong connections to outdoor learning areas, and clear, legible layouts that reduce anxiety and support routine. Material choices, colour palettes and environmental strategies are all considered in detail to create calm, robust and non-institutional settings. Whether delivering purpose-built facilities or adapting historic and existing buildings, we focus on creating environments that balance durability with comfort, and structure with flexibility. The result is a series of tailored learning environments that not only meet complex educational needs, but enable pupils to feel safe, supported and able to thrive.

OA ARCHITECTURE

iCollege, West Berkshire A new standalone single story building to expand the college’s facilities for SEMH pupils

OA ARCHITECTURE

OFFICE FIT-OUTS WORKPLACES NEW BUILD

CONVERSION RESTORATION

COMMERCIAL

OA’s imagination and diligent approach have created a beautiful environment for everyone to enjoy

FATHER GREGORY - St Patricks Church, Bristol

OA ARCHITECTURE

COMMERCIAL

Commercial

Cities are not static entities; they evolve, shift, and grow, shaped by the architecture that rises within them. Streets and squares become theatres of commerce, where office buildings frame ambition and industry, influencing not just those who work within them but the wider urban fabric. At OA, we have spent over 60 years engaged in this transformation, designing workplaces that do more than house businesses - they define identity, inspire collaboration, and contribute to the very essence of our towns and cities. An office is never just an office. It is a manifestation of an organisation’s values and aspirations, a place where ideas are shaped, where industries grow, where futures are forged. Our work spans a broad spectrum, from bespoke headquarters and speculative office developments to masterplanned commercial districts. We understand that successful commercial spaces must be dynamic, flexible, and future-proofed, capable of adapting to the evolving needs of both businesses and the people who inhabit them. Our portfolio reflects this depth of experience. We have worked with notable clients such as: The University of Bristol, the European Space Agency, and Ofsted, designing spaces that reflect their distinct missions and operational needs. Whether creating high- performance office environments for cutting-edge research and development facilities for regulatory bodies, or academic workplaces that foster collaboration and innovation, we tailor each design to the unique culture and objectives of our clients.

parks. Our approach is informed by the latest industry standards, working closely with organisations such as the BCO and BREEAM to ensure our designs meet the highest benchmarks for sustainability, efficiency, and workplace wellbeing. Yet beyond the technical, we recognise that an office must also inspire, engage, and support the people who use it daily. Through careful planning, material selection, and an emphasis on natural light, we create environments that foster productivity and enhance the experience of work. Sustainability is at the heart of our philosophy. While advanced technologies play a key role in minimising energy use, we believe that the most profound impact often comes from the simplest interventions - material choice, orientation, passive ventilation strategies - which shape a building’s long-term efficiency and adaptability. Our approach is one of holistic sustainability, where design and performance are seamlessly integrated to benefit both the environment and the end user. As an architectural practice, we take great pride in contributing to this ongoing transformation, crafting workplaces where commerce meets culture, where ambition meets legacy.

Across the UK, our projects range from small - scale B1 starter units to multi-storey corporate headquarters and expansive business

Vanguard Self Storage, Bristol

OA ARCHITECTURE

NSF International Design for new 3-storey office building of approximately 22,000 sqft for NSF International

PRIVATE HOMES COMMERCIAL

31 Great George Street

Converting 3,600m² of Grade A office space to accommodate 360 staff from multiple University of Bristol departments required balancing standardised efficiency with departmental nuances - all within an exceptionally tight eight-week design programme. The scale of the project demanded rigorous coordination between multiple user groups while maintaining design quality throughout accelerated delivery. Early end-user consultation established common requirements - meeting rooms, conference facilities, AV support, and flexible workstations - while addressing subtle operational differences between departments. Our response prioritised openness and adaptability, positioning tea points within the open floor plate rather than behind closed doors to create informal gathering spaces that foster spontaneous cross-departmental interaction. We were appointed by the University to deliver RIBA Stages 0-4. The primary technical challenge involved modifying the landlord’s mechanical and electrical infrastructure to meet demanding layout requirements. The completed offices overlooking Brandon Hill demonstrate how thoughtful space planning and high-quality finishes can deliver exceptional workplace environments within compressed timeframes, creating prestigious offices that serve the University’s diverse departmental needs.

OA ARCHITECTURE

COMMERCIAL

36 & 37 Boutport Street Set within the wider regeneration of Barnstaple Town Centre, the redevelopment of 36 and 37 Boutport Street demonstrates how thoughtful conservation and contemporary intervention can work together to revitalise historic urban fabric. The scheme combines the meticulous restoration of the Grade II Listed No. 36 with the redevelopment of the fire-damaged No. 37, creating new homes and flexible workspace while strengthening a key pedestrian gateway into the town centre. Careful attention has been given to preserving the character and legacy of the site, from the repair of historic lath and plaster finishes and repointing of existing masonry, to the retention and reuse of salvaged ironwork and stone detailing from the original façade. Alongside the delivery of modern accommodation, the project also embraces environmental responsibility, including the integration of bespoke bat roosting and hibernation features within the new roof design. The result is a sensitive and forward-looking regeneration project that balances heritage, sustainability and long-term community value. Our aim is to deliver architecture that provides dignity, comfort, and long- term value—ensuring that affordable housing means quality housing.

OA ARCHITECTURE

LABS TECH INCUBATORS RESEARCH CENTRES MANUFACTURING

INNOVATING

Innovating Our science and technology sector spans a wide range of building types, from industrial -style facilities like high-tech printing presses and distribution centres to specialised clean rooms, high-capacity data centres, and laboratories. These buildings fulfil a critical technical role within organisations and must be designed to meet specific client requirements. As an award-winning practice, OA have delivered successful projects across the UK, collaborating with experts in design standards, including BREEAM, to ensure our clients receive the most innovative solutions and expert advice. The success of science and technology buildings relies on a deep understanding of their complex functions and the flow of data, products, and information. These buildings often have exacting standards that must be defined early in the briefing process, ensuring that all team members, including service engineers, are aligned. OA takes a collaborative approach, engaging all disciplines and stakeholders to ensure project success. This approach adds value, reduces waste, and ensures that critical elements are addressed, particularly when liaising between clients, design teams, and equipment suppliers. Given the ever-evolving nature of science and technology, it’s essential that buildings are designed with flexibility in mind, ensuring their continued utility long after completion. We focus on future-proofing structural elements, such as ensuring floor slabs can accommodate future loads, and creating adaptable spaces within a fixed structural grid. The use of BIM technologies further enables future modifications to services and equipment, enhancing long-term adaptability.

OA has an extensive and impressive portfolio in the science and technology sector, having worked across both private and public sectors. We have built strong expertise in delivering projects that align with our clients’ evolving needs, including increasing demand for sustainable design solutions. We are well-versed in a range of procurement methods, ensuring that the selection of the right approach maximises value, maintains control, and reduces risk. Our clients include notable organisations such as Rutherford Appleton Laboratories, the European Space Agency, ScienceCreates, and The University of Oxford. Through our strong track record and professional approach, we continue to deliver projects that meet both immediate needs and future demands.

ESA Headquarters, Oxford

101

OA ARCHITECTURE

INNOVATING

ESA Headquarters

OA provided detailed design and construction inspection services to the Design and Build Contractor, Bouygues UK, for the striking new UK headquarters of the European Space Agency. Located in the heart of the Harwell Science and Innovation Campus, Oxfordshire, the 4,400 sqm ECSAT Building (European Centre for Space Applications and Telecommunications) accommodates office spaces, meeting, common and conference rooms and a cafeteria. The building also houses specialist areas for exhibitions, video conferencing and a gymnasium. The structure has been designed to be highly energy efficient. Sustainable features include a natural ventilation and cooling strategy, low ‘E’ triple glazing, active solar shading, ground source heat pumps, green roof, water efficient landscaping, SUDS (Sustainable urban drainage systems), active thermal massing and energy efficient lighting & control systems.

103

OA ARCHITECTURE

ScienceCreates, Old Market Incubator Conversion of an existing industrial unit into a 30,000sqft deep tech incubator

105

INNOVATING

OA ARCHITECTURE 30 Years of Engagement: Rutherford Appleton Laboratories

107

OA ARCHITECTURE

Rutherford

INNOVATING

R80

R92

We designed and delivered a phased two-storey extension to Building R80 for the IMAT neutron imaging facility at ISIS. The 415 sqm steel-framed building houses experimental equipment, plant rooms, and a new entrance lobby, fully integrated with the existing operational building. The project included M&E services, overhead crane coverage, and careful co- ordination to minimise disruption. Phase 2 added a mezzanine floor and office spaces following equipment installation.

We designed a 2-storey extension to the Research Complex at Harwell, a national science resource supporting over 180 permanent and 500 visiting researchers annually. The 280sqm addition provides flexible open-plan labora- tory space on the upper floor, with a ground floor ‘shell & core’ area for future conversion. Metal cladding, extensive glazing, and brise soleil for shading, maximise the sunlight and enhance the visual connectivity to the adjacent laboratories.

R89

We led the phased refurbishment of Building R1, ensuring that the building re- mained fully occupied throughout, including active laser laboratories, requiring careful coordination and planning. Works included 5,700 sqm of internal refurbishment and complete re-clad- ding to improve both environmental performance and visual appearance. Designed in close collaboration with user groups, we upgraded the building to reflect the standing of a world-leading research institution.

We designed a 3,600sqm facility on the RAL science campus for data cura- tion services and 150 staff. The ground floor houses a secure computer hall for data storage within a robust concrete structure with controlled access. Above, two floors of offices surround a central atrium that enables natural ventilation, creating a low-energy working environment. The building features a barrel- vaulted roof and terracotta cladding, reflecting its prominent location at the campus entrance.

R105 / R106

We refurbished and extended the 1960s R4 crane hall, creating modern office and workshop spaces by adding floors and raising the roof, while retaining critical plant areas for the R5 Synchrotron. The project successfully maintained live plant equipment throughout construction. To maximise natural light in challenging conditions, a central atrium was introduced, providing a bright and welcoming focal point. Fire-rated windows connect office and plant areas, fostering collaboration between office staff.

OA delivered a dual-purpose research support facility, carefully integrated into the landscape to reduce visual impact. It features two 70 x 35m clear-span halls for testing and handling, full crane coverage, and a three-storey office. Designed to BREEAM ‘Very Good’ with natural light maximised through roof and wall glazing. This project supports cutting-edge scientific research in a sensitive rural set- ting.

R75

A high-tech reception, office and control building that sets the tone for a leading science and research campus. Its minimalist design responds to the simplicity of existing structures, while metal cladding and glazing convey a contemporary character. From the double-height entrance and reception, the building steps down to single storey above the administration areas, with the security suite prominently located beneath the entrance canopy.

A contemporary new entrance, reception, multifaith room, and office spaces for the ISIS research facility at Rutherford Appleton Laboratory. Designed to improve both public presence and internal function, the scheme introduces natural light, flexible office layouts, and modern finishes throughout. The copper-toned zinc cladding complements the existing building while signalling a fresh identity for one of the UK’s leading science hubs.

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ACUTE CARE RESIDENTIAL CARE MENTAL HEALTH SECURE FACILITIES SPECIALIST CARE

HEALTHCARE

Healthcare With over 30 years of experience in the healthcare sector, OA have a proven track record in delivering projects that address complex briefs with innovative solutions - creating environments conducive to healing. Our portfolio spans both the Acute and Mental Health sectors, including specialised care environments for conditions such as dementia and brain injury. We understand that the design of healthcare spaces is crucial to reducing patient stress, preparing them for treatment, and ensuring the best outcomes for both patients and staff. Each project presents unique technical challenges, and we aim to provide staff with an environment that supports their work and fosters staff retention. Accross all of our healthcare projects, collaboration is key. By bringing together all disciplines and stakeholders from the outset, we ensure that each project is tailored to meet the specific needs of the healthcare provider and the patients it serves. One such example is the reconfiguration of the Paediatric A&E department at Hillingdon Hospital, where we added treatment space and enhanced the patient environment with separate cubicles, natural light, and artwork, alongside technical improvements like bedhead services and a new resus room. This has created a more flexible, peaceful, and comfortable space for patients, families, and staff alike.

In a fast-track A&E project at Horton General Hospital, we worked alongside Beard Construction to create new Majors Bays while ensuring the separation of adult and paediatric areas. Completed in just three months, we used Revit and ADB software to effectively capture the design brief and present it in both 2D and 3D, coordinating closely with the client and clinical teams to keep the busy department operational during construction. We also designed an ambulatory care space to reduce pressure on A&E departments by offering direct patient referrals. This included a new shared workspace for junior doctors and treatment areas equipped with modern bedhead services. Throughout the department, we focused on meeting current standards, including new hand-wash basins and clean storage facilities, while incorporating calming elements such as artwork and profiled seating to create a restful atmosphere. OA continues to work on a wide range of healthcare projects, always focused on improving the patient experience and supporting healthcare professionals with well-designed, functional, and flexible environments.

William Wake House, Northampton

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RECONFIGURATION RENOVATION ACCIDENT & EMERGENCY INTENSIVE CARE

ACUTE CARE

Built for hospital environments

24/7 1

100%

Designed for continous operation

Aligned to NHS standards

Live-site delivery methodology

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PRIVATE HOMES

ACUTE HEALTHCARE

Hillingdon Hospital Paediatric A&E

A carefully phased decant and reconfiguration programme at Hillingdon Hospital delivered a new dedicated Paediatric A&E department, creating a full separation between adult and children’s emergency care services. Completed within a live hospital environment, the scheme increased bed capacityforpaediatricadmissionswhileprovidingstaffwithpurpose-designed facilities tailored to the specific needs of younger patients and their families. A bespoke interior design and arts strategy was developed to create a welcoming and reassuring environment for children of all ages. Carefully integrated colour palettes, graphics and artwork support an intuitive wayfinding approach, helping to reduce anxiety and improve the experience for patients and carers during what can often be a stressful visit. Using BIM technology and 3D visualisation software, OA engaged closely with hospital staff throughout the design process. The visualisation tools provided an accessible platform for consultation, enabling busy clinical teams to review and shape the proposals from an early stage and ensuring the completed department responded directly to operational requirements.

OA ARCHITECTURE

Hillingdon Hospital, Paediatric A&E Reconfiguration programme to create dedicated paediatric A&E within Hillingdon Hospital

ACUTE HEALTHCARE

Hillingdon Hospital Robot Dispensary

The Hillingdon Hospitals NHS FT approached OA early in 2016 with an outline brief for a new dispensary with a pharmacy reception counter and patient waiting area. The facility would allow out-patients attending the hospital to get their prescriptions on the same day without booking a separate GP appointment and it had to be operational at the start of October 2016. The site, in an under-used storage area at lower ground floor level, was secured in March 2016 and design work began giving just 6 months for design, tender, construction and handover. Central to the requirements was a state of the art robotic dispensary supplied by a specialist. The design and construction programme allowed for the contractor to strip and refurbish the space, for the specialist to install the robot and the contractor to return and finish the interior. The pharmacy reception counter incorporates acoustic panels, glazed screens and a small booth for confidential consultation. The interior design, from the nearby lift area and into the patient waiting area, uses colour, furniture and artwork to coordinate with the Trust’s wayfinding strategy.

OA ARCHITECTURE

Hillingdon Hospital, New ICU Complete redesign of 1 floor to create a new 16-bed Intensive Care Unit.

OA ARCHITECTURE

CARE HOMES SECURE FACILITIES SPECIALIST CARE HOSPICE BEREAVEMENT

RESIDENTIAL CARE

The clinical team and patients are extremely complimentary about the benefits your creative design brings to our service. DONNA SCHELL, CLINICAL DIRECTOR - Womens Service, St Andrew’s Healthcare

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PRIVATE HOMES

RESIDENTIAL CARE

Broadmoor Hospital

OA have played a central role in the delivery of a new £250 million high secure psychiatric hospital for West London NHS Trust. The scheme, which provides 234 beds and replaces an outdated Victorian facility, began at inception in 2009 and reached completion in 2019 when the Trust took possession of five new hospital buildings. Building on earlier experience with the Paddock Centre, a 70-bed ward completed in 2005, OA worked closely with clinicians, nurses, psychiatrists, psychologists, estates, security staff and service heads to shape the brief for the wider campus. Through extensive stakeholder engagement and site visits to comparable facilities, the concept of a series of buildings arranged around gardens emerged, offering both security and a humanising environment for patients and staff. Our role extended from early briefing and concept design through to RIBA Stage E+, encompassing the Entrance and Central Buildings, ward blocks, perimeter security and secure landscaped spaces. These facilities house administration, therapy, recreation, retail, faith and visitor areas, creating a coherent environment that balances care, safety and dignity. During construction we provided full design services and, when employed by Kier, undertook technical review of specialist design outputs, liaised with the Trust and ensured the discharge of planning conditions. The use of BIM supported the delivery of this highly complex project, which was procured through P21+ and included enabling works, infrastructure and support facilities. The result is a large-scale, phased development that combines robust security with sustainable design, natural ventilation and a therapeutic focus - a significant step forward in modern mental healthcare provision.

OA ARCHITECTURE

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