9-31, Porchester Square W2 is a Grade II listed building in the Westminster local planning authority area, England. First listed on 1 December 1987. Terrace of houses. 52 related planning applications.
9-31, Porchester Square W2
- WRENN ID
- tilted-crypt-mallow
- Grade
- II
- Local Planning Authority
- Westminster
- Constituency
- Kensington and Bayswater MP: Joe Powell (Lab)
- Country
- England
- Date first listed
- 1 December 1987
- Type
- Terrace of houses
- Address
- 9-31, Porchester Square W2, City of Westminster, W2 6AN
- OS grid reference
- TQ 258 814
- Coordinates
- 51.51789, -0.18737
- Source
- Historic England listing
Description
This is a grand terrace of houses located on the north side of Porchester Square, dating to around 1860. The buildings are constructed of stucco with slate mansard roofs and extend over four storeys plus a basement. Each house originally had two windows facing south. The end four houses and the central five project slightly, distinguished by rusticated quoins. The ground floor features channelling, and a continuous bombé balcony runs along the first floor. The windows have architraves, with rounded corners to those on the first floor, and cornices to both the first and second floors. The ground floor windows are accentuated by prominent keystones, and a dentil cornice sits above the third floor, topped by a parapet. The north facade is also notable, featuring two-storey projecting porches which serve as entrances.
Local climate
9-31, Porchester Square W2 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 — 17 transactions since 1995
- Related listed building consents — 52 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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