22 AND 23, GROSVENOR SQUARE W1 (See details for further address information) is a Grade II listed building in the Westminster local planning authority area, England. First listed on 1 December 1987. Town mansion. 5 related planning applications.
22 AND 23, GROSVENOR SQUARE W1 (See details for further address information)
- WRENN ID
- white-brick-willow
- Grade
- II
- Local Planning Authority
- Westminster
- Constituency
- Cities of London and Westminster MP: Rachel Blake (Lab)
- Country
- England
- Date first listed
- 1 December 1987
- Type
- Town mansion
- Address
- 22 AND 23, GROSVENOR SQUARE W1 (See details for further address information), 43, North Audley Street, City of Westminster, W1K 6DT
- OS grid reference
- TQ 282 808
- Coordinates
- 51.51216, -0.15322
- Source
- Historic England listing
Description
22 and 23 Grosvenor Square is a town mansion built between 1906 and 1907, designed by Read and Macdonald. It has a main elevation facing North Audley Street and incorporates the building at number 43 North Audley Street. The building is constructed of Portland stone with a slate roof and exhibits a Free Classicism style incorporating English Baroque and French mid-18th century details. It is three storeys high, with a basement and a full attic storey above the entablature, topped with a dormered mansard roof. The design features nine windows across the front, with a slight asymmetry achieved by an extra bay to the north, creating a tripartite composition.
The ground floor is characterised by banded rustication. The central, slightly projecting two-storey bay contains the main entrance, which is a keystone-lintelled portal flanked by short screen walls ending in panelled piers with urn finials. A bay window is above the entrance, flanked by pairs of Ionic columns. Two-storey canted bays are situated on either side of the central bay, with prominent keystones over the ground-floor windows and first-floor windows, articulated by Ionic columns supporting entablatures and parapets. The bays between these canted bays incorporate pedimented cross-mullion windows. Shallow architraves frame the windows on the second and attic floors. A recessed wing, featuring similar details, has a canted end at the corner of the square, highlighted by an Ionic columned first-floor corner window. A two-storey and basement wing, with a balustraded parapet, extends to the north.
The interior has been altered, though some original ceilings and decorative elements remain on the first floor.
Local climate
22 AND 23, GROSVENOR SQUARE W1 (See details for further address information) sits in one of the driest parts of the UK, with an average of 700 mm of rain a year. This makes it drier than 93% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 94% of listed buildings.
It experiences an average of 34 freeze-thaw cycles a year, more than 51% of listed buildings. Of these, 15 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.
Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.
More on this building
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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 2 transactions since 1999
- Related listed building consents — 5 applications
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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