49 and 50, Bryanston Square W1 is a Grade II listed building in the Westminster local planning authority area, England. First listed on 1 December 1987. House. 5 related planning applications.

49 and 50, Bryanston Square W1

WRENN ID
half-chancel-smoke
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
House
Address
49 and 50, Bryanston Square W1, City of Westminster, W1H 7LL
OS grid reference
TQ 277 813
Coordinates
51.51641, -0.16074
Source
Historic England listing

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

Description

Nos. 49 and 50 Bryanston Square are a pair of terraced townhouses built around 1811, likely designed by Joseph Parkinson for the Portman Estate. The houses are constructed of stock brick with a stuccoed ground floor and have concealed slate roofs. They rise four storeys with a basement and each has a façade that is two windows wide. The entrances are located on the left side; No. 49 features a panelled door with a semicircular fanlight, while No. 50 has a square-headed architraved doorway with a fanlight and two ground floor windows, all flanked by reeded pilasters that rise to a Greek fret ornamented plat band. Notably, the ground floor window of No. 49 is a small later 19th-century canted bay. The upper floors include recessed glazing bar sashes and French casements on the first floor, set under flat gauged arches, with red brick detailing on No. 50. There are continuous cast iron balconies on the first floor and a parapet with coping. The properties are also adorned with cast iron area railings featuring urn finials.

Local climate

49 and 50, 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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  • No EPC on record for this property
  • Sale history — 2 transactions since 2001
  • Related listed building consents — 5 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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