William Green Architects
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In 2007, William Green set up William Green Architects, a RIBA Chartered Practice and Limited Company. At the helm of this design-focused business, William employs a team of select, talented people who share the desire to deliver impressive results. Our team of architects is creative and dynamic yet approachable, and we can really make a standout difference to your property.

We aim high, always looking to push the boundaries of what can be achieved whilst consistently delivering outcomes that are right for you. Our knowledge of what is possible, paired with our love for beautiful and inspirational spaces makes us experts in end-to-end architecture. We work across a wide range of projects in the residential, commercial and education sectors in Oxfordshire, Buckinghamshire, the Cotswolds and beyond.
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We strive to design simple elegant buildings which have a timeless quality. We always design with consideration for the clients' requirements and the context of the proposal. At William Green Architects we ensure every build is aspirational and beautiful.

Clients from a range of sectors, from domestic to education and commercial, work with us for projects that may not have been considered or thought possible previously, each time resulting in unique spaces that inspire, whilst meeting the architectural brief and budget.Our average project build costs range from 250k to 3m and we provide a full service rather than just the provision of drawings.
From terrace houses in the centre of Oxford to countryside hideaways, we hope our builds will inspire you to take the next step and find out how we can take your property from standard to outstanding. Our portfolio includes everything from extensions to new build projects, yet regardless of the size or type - our work - designed and created by some of the country's most innovative minds in architecture, consistently meets the highest standards.
As experienced designers, we recognise that every project will have its own unique requirements and we are flexible to adapt our service to meet the requirements of the client. This allows us to work directly with you to uncover the full potential of your project; whether it is to create the space of your dreams or to maximise the return on your investment.
As an architect, one of the most important things when considering a building or extension project are the windows and doors. This time last year we sat down to discuss our architectural aims and aspirations for the coming year. Needless to say, no one could have predicted the way 2020 would turn out.
Reviews (5)
Thomas Chalk
Thomas Chalk
Dec 04, 2021
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UPDATE: William Green has admitted making mistakes on my project. Both in technical measurements and not following my brief. Unfortunately he has not offered a satisfactory resolution so we are complaining to the Architect's Registration Board.
To anyone already working with William Green, please ask a professional to double check all measurements and calculations before planning or building regulation submission to make sure that the work is correct. The errors are very costly.
I would also suggest being very wary of 3 potential fake reviews that have been posted one week after mine. William
Prachi Rampuria
Prachi Rampuria
Oct 31, 2021
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Positive: Professionalism, Quality, Responsiveness, Value
William Green Architects is a very professional team who take great pride in designing for their clients with creative and innovative solutions. Certainly recommended!
Umang Goel
Umang Goel
Oct 20, 2021
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Positive: Professionalism, Quality, Responsiveness
The team is very responsive and ensures the quality is kept optimum.
Livestock Festival
Livestock Festival
Sep 29, 2020
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We’re so pleased that we chose to work with William Green for our house renovation. The design that the team came up with far exceeded our expectations, and cleverly combined both our views and the architects’ vision. From the initial consultation to securing planning permission and helping select our builders, the service was faultless. Our project is now finished and we couldn’t be happier with the outcome. We would highly recommend William Green architects.
Julie Blake
Julie Blake
Jul 25, 2018
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William Green Architects is a highly professional, growing and dedicated architects practice. The team there is ambitious and creative and have suggested new ideas that other architects have not. I would definitely recommend getting in touch with them if you are considering a new build, home improvement or commercial project.