44-54, Onslow Square SW7 is a Grade II listed building in the Kensington and Chelsea local planning authority area, England. First listed on 15 April 1969. Dwellinghouses. 18 related planning applications.

44-54, Onslow Square SW7

WRENN ID
hallowed-tin-bistre
Grade
II
Local Planning Authority
Kensington and Chelsea
Constituency
Kensington and Bayswater MP: Joe Powell (Lab)
Country
England
Date first listed
15 April 1969
Type
Dwellinghouses
Address
44-54, Onslow Square SW7, SW7 3NX
OS grid reference
TQ 268 785
Coordinates
51.49176, -0.17473
Source
Historic England listing

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

Description

A row of dwellinghouses dated to the mid-19th century, located on the west side of Onslow Square. The properties are constructed of gault brick and stucco, with the ground storeys channelled in stucco. The facades are arranged in pairs, each pair connected by two-bay linkage blocks. Each house has two windows, and the row comprises a total of 11 houses (numbered 44 to 54, even numbers). The houses have three storeys, an attic, and a basement, although the top storey has been altered. First-floor windows are topped with pediments, while second-floor windows have segmental heads. There are Doric porches at the entrances, and a cast iron balcony on the first floor. Original area railings are present.

Local climate

44-54, Onslow Square SW7 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 — 12 transactions since 1995
  • Related listed building consents — 18 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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