Weston Williamson was established in 1985 by Andrew Weston and Chris Williamson, who met whilst studying architecture. Weston and Williamson had also both studied with Steve Humphreys at Leicester Polytechnic School of Architecture, who joined the practice in 1991. In 2008 Rob Naybour became a fourth director.
In 2013 Weston Williamson became an LLP forming WestonWilliamson+Partners with the introduction of 9 new partners. In 2022 WestonWilliamson+Partners was acquired by Egis Group, forming part of their Architecture Line.
WestonWilliamson+Partners has worked on a number of projects internationally including schemes for Transport for London, Crossrail such as the widely celebrated Paddington Elizabeth Line Station and Woolwich Elizabeth Line Station, HS2, the Docklands Light Railway, the Melbourne Metro Rail Authority, the Dubai Transport Authority and the Malaysian Transport Authority. Other projects include the Oliver Morris House in Brixton, New England Bio laboratories in Boston and the Jubilee line extension at London Bridge.
^ abcPuckett, Katie. "Weston Williamson on how to get on board transport infrastructure projects". [dead link][dead link]
^Edwards, Brian (1997), "Part One:Perspectives on station architecture", The Modern Station: New Approaches to Railway Architecture, Taylor & Francis, ISBN 0-419-19680-3 (electronic pages are unnumbered - see Suburban stations section "The Jubilee Line extension")