50, Harley Street W1 is a Grade II listed building in the Westminster local planning authority area, England. First listed on 1 December 1987. Town house. 4 related planning applications.
50, Harley Street W1
- WRENN ID
- vast-gutter-crow
- 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
- Town house
- Address
- 50, Harley Street W1, City of Westminster, W1G 9PX
- OS grid reference
- TQ 286 816
- Coordinates
- 51.51898, -0.14673
- Source
- Historic England listing
Description
No. 50 Harley Street is a terraced town house built around 1770-1780 as part of the Portland Estate development. The building is constructed of stock brick with a channelled stucco ground floor and features a slate roof. It has four storeys, a basement, and a dormered mansard, with three windows across the front.
To the right, there is a semicircular arched doorway framed by pilasters and topped with a cornice; the door is panelled and has a fanlight above it. The upper floors have recessed sash windows that sit under flat gauged arches. The stuccowork is finished with a plat band at the first floor level, and there is a parapet with stone coping.
A mid-19th century cast iron balcony with foliated brackets is located on the first floor, and the area railings are made of cast iron with twisted and plumbed spike finials. Inside, the house features a top-lit stone geometrical staircase with wrought iron balusters, along with some delicate frieze and ceiling mouldings.
Local climate
50, Harley Street W1 sits in one of the driest parts of the UK, with an average of 690 mm of rain a year. This makes it drier than 95% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 98% of listed buildings.
It experiences an average of 35 freeze-thaw cycles a year, more than 57% of listed buildings. Of these, 16 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 — 9 transactions since 1995
- Related listed building consents — 4 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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