Studio
Trewhela Williams is an award-winning architecture and design practice based in Southwest London led by Joseph Williams. The practice works across a number of sectors with a particular specialism in one of a kind private houses and spa/wellness destinations.
Our projects are characterised by their conceptual clarity, thoughtful approach to materiality and their detailed rigour. We love to work with natural materials to shape human-centric spaces which enrich the daily lives of their users.
An expanded portfolio is avaialble upon request.
Joseph Williams
Joseph is an ARB registered and RIBA Chartered Architect with 17 years experience designing and delivering ambitious private residences across the UK, Asia, and Africa - including as an Associate at McLaren Excell (British Home Awards 'Architect of the Year' 2022) leading such projects as the Wimbledon House and the Thames House. Alongside this, he also provides architectural consultancy for spa and wellness design agencies, working with leading luxury operators and brands across the globe.
Joseph studied architecture at the University of Sheffield, Oxford Brookes University and the University of Westminster. His postgraduate work was awarded an RIBA Award, which lead on to featuring in Wallpaper Magazine’s Graduate Directory identifying the next generation of designers, and an interview with the Financial Times.
A core passion is designing bespoke stone furniture that exists at the confluence of art, sculpture and product design. Through Joseph’s role as Creative Lead of the studio Etraterra his work focuses on the shaping of rare and lesser known stones into singular pieces that hold a bodily coherence.
Awards
Young Architect of the Year Award 2025 - Finalist
Camden Design Awards 2025 - Finalist
NLA Don’t Move, Improve! Awards 2023 - ‘Transformations Prize’ Winner
AJ Retrofit Awards 2023 ‘House Up to £500k’ - Finalist
ArchDaily ‘Building of the Year 2024’ - Nominee
NLA Don’t Move, Improve! Awards 2018 - Longlist
RIBA Award 2010 ‘Make Bethnal Green’ - Winner