St George Street, London W1S
A complex two storey office extension in Mayfair using innovative timber techniques.
Overview
Old Park Lane Management, on behalf of Centerpoint Properties, appointed JRA to prepare feasibility studies for a two storey office extension at 25-27 St George Street. The site is located in the City of Westminster and within the Mayfair Conservation Area.
The proposed designs replace the existing residential units on the upper two floors with modern office space by matching the existing lower floors, resulting in eight floors of office space. In addition, the proposal includes a number of terrace spaces to introduce green roof pockets, primarily to increase the urban greening factor, the wellbeing of the occupants, and local biodiversity.
The 25-27 St George Street green building passport includes BREEAM Outstanding, NABERS (Design for Performance), WELL Platinum (Shell and Core), circular economy approach, ECP ‘A’ rating, and embodied carbon targets based on LETI recommendations.