21, Golden Square W1 is a Grade II listed building in the Westminster local planning authority area, England. First listed on 14 January 1970. Terrace house. 4 related planning applications.

21, Golden Square W1

WRENN ID
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Grade
II
Local Planning Authority
Westminster
Constituency
Cities of London and Westminster MP: Rachel Blake (Lab)
Country
England
Date first listed
14 January 1970
Type
Terrace house
Address
21, Golden Square W1, City of Westminster, W1F 9JN
OS grid reference
TQ 293 807
Coordinates
51.51121, -0.13748
Source
Historic England listing

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

Description

This is a terrace house located in Golden Square, dating from approximately 1684-85 and remodelled in 1790. The house is constructed of brown brick with a slate roof and extends over four storeys and a basement, originally featuring three windows across the façade. A doorway is positioned to the right, featuring a segmental arch, a six-panel door with side lights, and a patterned fanlight. The ground floor windows were altered in the early 20th century. The upper floors retain sash windows without glazing bars, set within flat, gauged red brick arches. The building is topped by a parapet with coping, and it has wrought iron area railings. It is one of the few original houses remaining from the square's creation. The interior is generally simple, with enriched plaster cornices in the hall and main rooms, and a late 18th-century staircase.

Local climate

21, Golden Square 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 — 1 transaction since 2020
  • Related listed building consents — 4 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
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