18, Montagu Square W1 is a Grade II listed building in the Westminster local planning authority area, England. First listed on 1 December 1987. Town house. 3 related planning applications.

18, Montagu Square W1

WRENN ID
crumbling-lancet-rain
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
18, Montagu Square W1, City of Westminster, W1H 2LE
OS grid reference
TQ 278 815
Coordinates
51.51814, -0.15891
Source
Historic England listing

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

Description

No. 18 Montagu Square is a terraced town house dating from approximately 1810-1811. It was designed by J.T. Parkinson as part of his development of Montagu-Bryanston Square for the Portman Estate. The house is built of stock brick with a channelled stucco finish to the ground floor, and has a concealed slate roof. It is five storeys high, with a basement, and has a facade of three windows. A semicircular arched doorway is on the left-hand side, featuring a panelled door flanked by inset Greek Doric columns, a moulded doorhead, and a fanlight. The ground floor has two windows set within a segmental bow. Above this rises a two-storey stuccoed canted bay, added in the middle of the 19th century, with swagged panels at second floor level, a cornice and blocking course. The remaining windows are recessed sash windows with intact glazing bars on the top floor, all set within flat, gauged red brick arches. A plat band defines the top of the stucco work on the ground floor. A crowning stucco cornice and blocking course tops the facade. A continuous cast iron balcony with a lattice pattern runs along the front of the first floor. Cast iron area railings with acorn finials are also present.

Local climate

18, Montagu 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 — 10 transactions since 1996
  • Related listed building consents — 3 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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