45 and 46, Hertford Street W1 is a Grade II listed building in the Westminster local planning authority area, England. First listed on 14 January 1970. A C18 Townhouse. 2 related planning applications.

45 and 46, Hertford Street W1

WRENN ID
forbidden-slate-weasel
Grade
II
Local Planning Authority
Westminster
Constituency
Cities of London and Westminster MP: Rachel Blake (Lab)
Country
England
Date first listed
14 January 1970
Type
Townhouse
Address
45 and 46, Hertford Street W1, City of Westminster, W1J 7DP
OS grid reference
TQ 286 801
Coordinates
51.50587, -0.14799
Source
Historic England listing

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

Description

Nos 45 and 46 Hertford Street are terraced townhouses built in 1767. They are constructed of brown brick with stuccoed ground floors and feature slate roofs. The buildings rise four storeys, with basements and dormered mansards, and each has a front that is three windows wide. The doorways are located to the right and left, featuring six-panel doors with patterned segmental fanlights. No 45 has coved reveals, while No 46 is flanked by stone obelisk piers at its entrance. The revealed sash windows do not have glazing bars and are set under flat gauged arches. A bracketed stone cornice sits above the second floor, topped by a parapet with coping. Wrought iron area railings complete the exterior. Notably, No 45 was the residence of the carver Joseph Crawford.

Local climate

45 and 46, Hertford 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 — 2 transactions since 2017
  • Related listed building consents — 2 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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