77-109, 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. Dwellinghouse. 73 related planning applications.

77-109, Onslow Square SW7

WRENN ID
vast-bronze-moth
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
Dwellinghouse
OS grid reference
TQ 267 785
Coordinates
51.49196, -0.17614
Source
Historic England listing

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

Description

These are a row of dwellinghouses located on the north side of ONSLOW SQUARE, dating from the mid-19th century. The building is constructed of gault brick and stucco. It comprises three storeys, an attic, and a basement. The ground floor features channelled stucco decoration. The first-floor windows are detailed with cornices. The centre and end houses project forward, featuring rusticated quoins and tripartite windows with a pediment above the first-floor windows. A continuous cast iron balcony runs along the first floor. A bracketed cornice sits above the second floor. The original porticos have been removed, and new entrances have been formed. Area railings are present.

Local climate

77-109, 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 — 16 transactions since 1996
  • Related listed building consents — 73 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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