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Ben Adams wins planning for £23m City office revamp

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Ben Adams Architects has won planning for the transformation of a 1980s office building at the edge of the City of London

The £23 million scheme at 24 King William Street for Beltane Asset Management will add two floors, a new façade and new interior to the existing block.

The 9,765m² building’s new stone façade responds to its surrounding historic context and features a Portland Stone skin punctured by a series of large glazed openings.

Rooftop plant will be relocated to make space for offices and a viewing terrace.

The scheme, which Ben Adams won following a competition involving Trehearne Architects and Morrow + Lorraine, will also revive a forgotten green space behind the building creating a new pocket park.

The project is set to start on site later this year and is expected to complete at the end of 2016.

The architect’s view

‘This project creates a brand new building from the bones of an existing one. With minimal demolition, the design for this prominent site recycles the existing structural frame, to create a building that is embedded elegantly into the local context. An innovative stone façade and inhabited brass roof come together and form a quiet landmark at the gateway to the City.

‘The reception space gathers a large entrance hall into a more intimate lift lobby and opens onto a new park at the rear of the site. The new park re-uses a disused churchyard to create a new public open space.’

Ben Adams Architects' 24 King William Street

Project data

Location 24 King William Street, London
Type of project mixed-use
Client AG Beltane
Architect Ben Adams Architects
Landscape and planning consultant Gerald Eve
Structural engineer Elliott Wood
M&E consultant Mecserve
Quantity surveyor Leslie Clark
CDM-C/principle designer ORSA
Funding undisclosed
Tender date April 2015
Start on site date 2015
Completion date 2016
Contract duration approximately 16 months
Gross internal floor area 9,765m²
Form of contract and/or procurement Two Stage Design and Build
Total cost £23 million  
Specific environmental targets BREEAM excellent

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