Hobhouse

Structural Designer

Thornton Tomasetti

Client Name

Hobhouse SA/Alaska Projects

Location

London, UK

DESIGN ARCHITECT
Brisac Gonzalez with Arquitectonica 

PRINCIPAL CONTRACTOR
Osborne

EXECUTIVE ARCHITECT
TP Bennett

MEP ENGINEER
Max Fordham

MEP CONTRACTOR
Interserve

STEELWORK FABRICATOR
Hillcrest Structural Ltd.

GROUNDWORKS AND RC CONTRACTOR
 J Coughlan Ltd.

LANDSCAPE ARCHITECT
Andy Sturgeon Design 

PROJECT DESCRIPTION

A mixture of new and old technologies are used to create an expressive and efficient building. The building was sensitively constructed within and on top of John Nash’s existing masonry structures. By working collaboratively with the architect and English Heritage, it was possible to minimise structural intervention. The historic fabric of the vaults and the retained building were also preserved.
 

Submitted in 2020

Judge's comment:

A wonderful example of how you can reinvent, regenerate and repurpose existing listed buildings.
 
Concepts for the project were developed early on to minimise structural intervention into the existing retained structures, preserve the historic fabric of the Grade II listed subterranean vaults and the retained John Nash building whilst meeting the project aspirations.

The innovative design approach accommodated new loads without imposing loads on the existing basement. The impact of the new development was carefully balanced against the capacity of the existing listed masonry vaults to minimise the intrusions into the vault structure, so preserving its heritage. This was achieved using lightweight materials, load spreaders and a detailed ground movement assessment. This approach allowed for the existing vault structure to act effectively as one large foundation, spreading the load from the new buildings through existing load paths.
 
This comprehensive heritage work gave a historic structure a new lease of life, with new purpose and context, whilst honouring its heritage.

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Email: [email protected]

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