12, Hertford Street W1 is a Grade II listed building in the Westminster local planning authority area, England. First listed on 24 March 1980. A C18 Town house.

12, Hertford Street W1

WRENN ID
floating-gargoyle-winter
Grade
II
Local Planning Authority
Westminster
Constituency
Cities of London and Westminster MP: Rachel Blake (Lab)
Country
England
Date first listed
24 March 1980
Type
Town house
Address
12, Hertford Street W1, City of Westminster, W1J 7RL
OS grid reference
TQ 286 801
Coordinates
51.5056, -0.1481
Source
Historic England listing

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

Description

No 12 Hertford Street is a terraced town house built around 1768-70 as part of the development of the south side of Hertford Street by the elder Henry Holland and his son, in partnership with John Eldridge. The building features brown brick with added stucco dressings and a slate roof. It stands four storeys high, including an attic storey and a dormered mansard, and has a basement. The façade is three windows wide, with a doorway to the left that has an ornate fanlight set in a boldly modelled surround, complete with a keystone and a cornice-hood supported by consoles.

The windows are recessed sash types without glazing bars, featuring cornices on consoles for the ground and second floors, while the first-floor windows have segmental pediments on either side of a central triangular pediment, all supported by consoles. A main entablature is present over the second floor, along with an attic cornice and a blocking course. The dormers are segmental pedimented. A cast iron balcony spans the first floor, and there are 18th-century wrought iron area railings with lampholders and link extinguishers flanking the entrance.

Local climate

12, 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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