25,25a and 26, Bryanston Square W1 is a Grade II listed building in the Westminster local planning authority area, England. Terraced town houses. 9 related planning applications.

25,25a and 26, Bryanston Square W1

WRENN ID
stony-wall-thyme
Grade
II
Local Planning Authority
Westminster
Constituency
Cities of London and Westminster MP: Rachel Blake (Lab)
Country
England
Type
Terraced town houses
Address
25,25a and 26, Bryanston Square W1, City of Westminster, W1H 2DS
OS grid reference
TQ 276 815
Coordinates
51.5187, -0.16174
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 three terraced town houses on the north side of Bryanston Square, dating from 1811 and designed by Joseph Parkinson for the Portman Estate. The houses are built of brown brick with banded stucco rustication to the ground floor, and have concealed slate roofs. They are five storeys high, with a basement, and each front is three windows wide. No. 26 has a full-height canted bay window. The doorways are semicircular arched, with panelled doors and fanlights. The upper floors contain recessed sash windows, some with glazing bars, each set within a flat, gauged red brick arch. Horizontal plat bands are positioned above the ground floors with a crowning stucco cornice and blocking course at the top. No. 25 features a dentilled entablature over the third floor and a five-bay return with a geometric patterned cast iron balcony to the first floor. The front is defined by cast iron area railings with urn finials.

Local climate

25,25a and 26, Bryanston Square 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.
  • Sale history — 16 transactions since 2015
  • Related listed building consents — 9 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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