Ancaster House

Mayfair W1J

Key Details

8 Chesterfield Gardens, London W1J 5BQ


Ancaster House is a Grade II listed building in Mayfair, London W1.

Ancaster House and No. 8 Chesterfield Gardens were combined into a new building in 2019. The works included refurbishment, alterations and additions.

- Ancaster House is a Grade II listed building by J. T. Wimperis from 1876.
- No. 8 Chesterfield Street is Grade II listed and dates back to c. 1755.

The house was featured in Channel 4's documentary "Britain's Most Expensive Home: Building for a Billionaire" (2020). The film follows billionaire John Caudwell as his £65million refurbishment in the heart of Mayfair enters its last crucial stages.


2014 - Planning permission for: Excavation under 8 Chesterfield Street through to and including Ancaster House (Chesterfield Gardens) to create sub-basement levels, alterations to the mansard roof on Ancaster House. Erection of single storey extension at third floor level facing Waverton Street. Installation of replacement side and rear dormer windows, demolition and rebuilding of rear porch and erection of new access gate, stair and railing to front of Ancaster House. Installation of replacement front door to 8 Chesterfield Street. Creation of new lightwells to rear of both buildings and internal works including reinstatement of original features to both buildings. Rebuilding of brick boundary wall and replacement of railings, demolition of dividing walls within courtyard, creation of concealed car lift and platform goods lift to courtyard and associated landscaping to site, all in connection with the existing single family dwelling. Architect: MSMR. Westminster Council ref. no. 13/09356/FULL.


1. Historic England 8 Chesterfield Street List Entry Number: 1291570; 8 Chesterfield Gardens List Entry Number: 1066266
2. Westminster Council

Site & Location


Hyde Park Corner Underground StationPiccadilly
London Hilton Hotel - 1 min. walking / 33 metres137, 23, 414, 74, N137, N74, 13, 148, 16, 2, 36, 390, 6, N16, N2


Main Contractor
Interior Designer
Quantity Surveyor
Structural Engineer


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Information on this page is for guidance only and remains subject to change. Buildington does not sell or let this property. For more information about this property please register your interest on the original website or get in touch with the Connected Companies.