Two floors to be added to 15-year-old building at 11 Baker Street
Hale Brown Architects has submitted plans to refurbish and extend a Squire & Partners-designed office block in Marylebone.
A planning application sent into Westminster council last week sets out proposals, designed for developer 3RE, to replace the facades and add two floors to the eight-storey block at 11 Baker Street.
The existing 7,000sq m building was built in 2011 by McAleer & Rushe and features a fully glazed facade of floor-to-ceiling windows, which Hale Brown Architects said had created overheating issues.
It also includes a covered colonnade at street level which the practice said was unattractive after retail hours and could attract antisocial behaviour.
The refurbishment would expand the colonnade to double height to improve its public realm presence and upgrade the building with a more thermally efficient brick facade with around a third less glazing.
The seventh floor would be demolished and replaced, with the new seventh and eighth floors to follow the same floorplan and facade design as the rest of the building.
The new ninth and tenth storeys would be clad in bronze metal with the ninth floor to be set back behind a private roof terrace and the tenth floor to feature a communal roof terrace and a rooftop pavilion space.
Hale Brown Architects is lead architect and principal designer with the project team also including planning consultant PMV Planning, Francis Hunter as project manager, Taylor Boyd as structural engineer and Wallace Whittle as MEP and sustainability consultant.
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