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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

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Project Details


Mixed Use (Residential Led)


Westminster, London


The Howard de Walden Estate






Building Services


Vivien Loseby
Jonathan Holt


Holt Architecture

Holt Architecture have been appointed to re-imagine a mixed-use building at this prominent corner location to the north end of the much loved shopping district of Marylebone High Street.

The site is to be developed in two phases:

Phase 1

Phase 1 comprises the subdivision of retail spaces at ground and lower ground floors, formerly occupied by a retail bank, along with replacement of the retail facade.

Phase 2

Phase 2 improves the appearance of the existing 1950’s facade by altering the fenestration to align with the rhythm of the street. Existing flats on the lower three floors are reconfigured and extended to the rear with an additional penthouse added at fourth floor with access to a large roof terrace.