Projects | Holt Architecture

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We apply our unique process of ‘urban surgery’ to buildings of many ages, styles and uses.

Leveraging digital design processes to unify nature, technology and heritage we layer new forms and meaning over existing structures fusing the best of our past with the needs of our future.

An elevated 'park in the sky' for the London Enterprise Academy School in east London

Green Skies at the LEA

An elevated 'park in the sky' for the London Enterprise Academy School in east London

A deep, low-carbon, retrofit of an office building to create six luxury apartments with views across the Harley Street Conservation Area

Hallam Street Residences

A deep, low-carbon, retrofit of an office building to create six luxury apartments with views across the Harley Street Conservation Area

A crafty piece of urban surgery creating duplex and triplex flats above one of London's prime luxury retail streets.

Marylebone High Street Penthouses

A crafty piece of urban surgery creating duplex and triplex flats above one of London's prime luxury retail streets.

Four new luxury apartments within an extended mansard roof over three buildings. As complex as urban surgery gets

Weymouth Street Penthouses

Four new luxury apartments within an extended mansard roof over three buildings. As complex as urban surgery gets

A case study in low-energy retrofit - an all-timber extension and deep retrofit of a 1920s terraced house

Grove, Wandsworth

A case study in low-energy retrofit - an all-timber extension and deep retrofit of a 1920s terraced house

A versatile, four-floor medical center, complete with a 50m² aqua therapy pool, and a multi-tiered gymnasium for an international sports rehabilitation therapist in the Harley Street Medical Area

Isokinetic Sports Rehabilitation Centre

A versatile, four-floor medical center, complete with a 50m² aqua therapy pool, and a multi-tiered gymnasium for an international sports rehabilitation therapist in the Harley Street Medical Area

An inventive expansion and refurbishment of a 33,000 sqft office building next to the BBC's Broadcasting House on Portland Place

Portland Place Offices

An inventive expansion and refurbishment of a 33,000 sqft office building next to the BBC's Broadcasting House on Portland Place

The refurbishment, expansion, and fit-out of a world-class clinic within the renowned Harley Street Medical Area

Harley Street Fertility Clinic

The refurbishment, expansion, and fit-out of a world-class clinic within the renowned Harley Street Medical Area

A meticulous conservation, restoration, extension, and refurbishment of a Listed Georgian terraced house for a collector of art and antiquities

A House for an Antiquarian

A meticulous conservation, restoration, extension, and refurbishment of a Listed Georgian terraced house for a collector of art and antiquities

Our entry for 'Treehouse @ Kew' - an open competition for seven tree houses set across Kew Gardens iconic 320-acre landscape

Our entry for 'Treehouse @ Kew' - an open competition for seven tree houses set across Kew Gardens iconic 320-acre landscape

Deep refurbishment and extension of a mixed-use building to create two new retail units and four high-end apartments on a busy London high street

27 Marylebone High Street

Deep refurbishment and extension of a mixed-use building to create two new retail units and four high-end apartments on a busy London high street

An invited competition for the conversion of a former radio to offices

An invited competition for the conversion of a former radio to offices

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