4, Hay's Mews W1 is a Grade II listed building in the Westminster local planning authority area, England. First listed on 16 August 1990. Residential. 3 related planning applications.
4, Hay's Mews W1
- WRENN ID
- knotted-rood-rain
- Grade
- II
- Local Planning Authority
- Westminster
- Constituency
- Cities of London and Westminster MP: Rachel Blake (Lab)
- Country
- England
- Date first listed
- 16 August 1990
- Type
- Residential
- Address
- 4, Hay's Mews W1, City of Westminster, W1J 5PU
- OS grid reference
- TQ 287 804
- Coordinates
- 51.50869, -0.14681
- Source
- Historic England listing
Description
This is a motor garage, dating to circa 1906, now a residence. It was designed by J. Leonard Williams for Charles Ansell, of 11 Hill Street, which is located on the opposite side of the mews. The building is constructed of brick, with a rough-harled and whitewashed finish. It has a roof of sand-faced, hand-made tiles, including dormers, and segmental gabled ends on the returns. The structure is two storeys high with attics. There are five windows on the front and two on the left-hand return. The ground floor originally featured panelled oak garage doors with glazed tops, each divided into four panes. The first floor has sash windows, flush with exposed boxing, with heads positioned just below a projecting modillion eaves cornice that runs around the entire building. A segmental pediment tops the building, featuring a large, architraved oculus with a keystone. Original lead rainwater heads and pipes remain. No. 4 Hay's Mews contributes to a group value alongside No. 11 Hill Street.
Local climate
4, Hay's Mews W1 sits in one of the driest parts of the UK, with an average of 690 mm of rain a year. This makes it drier than 95% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 98% of listed buildings.
It experiences an average of 35 freeze-thaw cycles a year, more than 57% of listed buildings. Of these, 16 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 — 4 transactions since 2001
- Related listed building consents — 3 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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