Mayfair Townhouses

Location: Westminster, London

, UK

Status: Planning consented

Area: 1,125m² / 12,100ft²

2020–26

Generational upgrade of a pair of Grade II Listed Mayfair townhouses on South Street. The project will transform the communal access, services, and energy efficiency of the apartment block and reinstate the interior and exterior building fabric to a finish of the highest architectural quality.

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The project consists of two grand, Grade II listed townhouses which were knocked through in the mid 1930s and turned into flats. The current owner, who is also resident in one of the flats, engaged us to assess the state of the structure, undertake some reconfigurations and massively upgrade the building's energy efficiency: he wanted it to be fit for purpose for the next 100 years.

We were challenged to provide a generational upgrade to the building's services and communal spaces, to meet modern standards and expectations, and to provide a better mix of flat sizes and layouts. We had to sensitively work around the substantial internal alterations that had been made down the years, while installing vital equipment such as air-source heat pumps which would help future-proof the building. Our proposal was successful in gaining planning and Listed Building consents.

Process

Full redesign of vertical circulation to take advantage of an existing series of windows currently blocked by the lift

Drawings

174.

Mayfair Townhouses

Year:

2020–26

Restrictions: Grade II Listed, Conservation area


CF team: Francis Fawcett, Oliver Cooke, Andy Gibbs

Structures: Philip Cooper (CAR Ltd.)
Acoustics & Sustainability: Max Fordham LLP

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