45, Hay's Mews W1 is a Grade II listed building in the Westminster local planning authority area, England. First listed on 1 December 1987. Mews house. 1 related planning application.

45, Hay's Mews W1

WRENN ID
under-corbel-thyme
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
Mews house
Address
45, Hay's Mews W1, City of Westminster
OS grid reference
TQ 287 805
Coordinates
51.50904, -0.14684
Source
Historic England listing

Also on this page: related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

No. 45 Hay's Mews is a mews house dating from around 1744 to 1750, designed by Flitcroft. It is constructed of brown brick and has two storeys, topped with a parapet that features coping. The building has five windows, which are revealed glazing bar sashes set beneath flat gauged arches. The entrance consists of a plain doorway. The heavy cast iron area railings are adorned with flambé finials. The garden elevation is similar but includes a cornice below the parapet and a return corridor wing that has a central break. Inside, the property retains a large, largely unaltered kitchen from the late 18th century to early 19th century located in the basement, which extends up to the first floor. This kitchen is equipped with a range, ovens, spits, and various ancillary fittings.

Local climate

45, 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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  • No EPC on record for this property
  • No sale records on file
  • Related listed building consents — 1 application
  • 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
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