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Ben Adams completes rooftop office extension

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Ben Adams Architects has completed this office refurbishment and rooftop extension in Great Portland Street, London


The office scheme features a perforated aluminium-clad pavilion on its roof which the architect described as a ‘corporate hideout that transforms from an apparent solid into a translucent prism as night falls’.

The pavilion is concealed from the building’s façade by a typical mansard roof detail while the entrance to the office is marked out by a charcoal grey recess.

The scheme’s six floors house creative studio offices with retail space on the ground and first floors.

At the rear of the building a fully-glazed façade exposes the offices internally.

Ben Adams, director at Ben Adams Architects, said: ‘Everybody wants a secret hideout on the rooftops, and this building provides one in a contemporary, creative office space.’

Great Portland Street office building by Ben Adams Architects

Great Portland Street office building by Ben Adams Architects

Project data

Location Great Portland Street, London
Type of project re-modelling and extension of existing building
Client Alaska Development Consultants
Architect Ben Adams Architects
Planning consultant DP9
Structural engineer Heyne Tillett Steel
Quantity surveyor John Hall Associates
Main contractor Tolent Construction
Tender date December 2013
Start on site date April 2014
Completion date October 2015

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