Holbein Gardens
Refurbishment and 2-storey extension of a 1980s commercial building in Chelsea to create a sustainable, modern workplace. 93% of the existing building was reused, and new elements utilise engineered timber and reclaimed steel.
Key features
Making sustainable materials choices
The new structure comprises a steel frame, CemfreeTM concrete and CLT floor slabs, with some steelwork procured from other Grosvenor projects and reclaimed stock.
Maximising building retention
93% of the existing building has been retained, including the façade.
Minimal strengthening to existing structure
Thorough investigations into the existing building verified that minimal strengthening was required.
Complex site considerations
The building is partly located over a Thames Water sewer and is adjacent to Sloane Square station with its associated Underground lines.







Structural embodied carbon
62
kgCO₂e/m²
90% of the existing building retained




01-03
Perspective view





Awards









Perspective view

Roof terrace

South core




