25, Knox Street W1 is a Grade II listed building in the Westminster local planning authority area, England. First listed on 1 December 1987. Terraced house. 3 related planning applications.

25, Knox Street W1

WRENN ID
graven-plaster-owl
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
Terraced house
Address
25, Knox Street W1, City of Westminster, W1H 1FS
OS grid reference
TQ 276 817
Coordinates
51.52065, -0.1612
Source
Historic England listing

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

Description

No. 25 Knox Street is a terraced "4th rate" house, likely built between 1810 and 1820 as part of the Portman Estate development. The building features painted brick with a stuccoed ground floor and has a concealed slate roof. It stands three storeys tall with a basement and is two windows wide. To the left, there is a semicircular arched doorway with a panelled door and a patterned fanlight, flanked by thin pilasters that support a narrow frieze and cornice. The ground floor has a slightly set forward surround for a tripartite sash window, while the upper floors feature recessed sashes beneath flat gauged arches. The building is topped with a parapet that has coping, and there are cast iron area railings.

Local climate

25, Knox Street W1 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.
  • No sale records on file
  • Related listed building consents — 3 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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