Lawn House is a Grade II listed building in the Camden local planning authority area, England. First listed on 11 August 1950. House. 3 related planning applications.

Lawn House

WRENN ID
late-corbel-summer
Grade
II
Local Planning Authority
Camden
Constituency
Hampstead and Highgate MP: Tulip Siddiq (Lab)
Country
England
Date first listed
11 August 1950
Type
House
Address
Lawn House, 12, Hampstead Square, NW3 1AB
OS grid reference
TQ 264 860
Coordinates
51.55908, -0.17729
Source
Historic England listing

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

Description

Lawn House is a detached house built around 1800, with some alterations from the late 18th century. It features brown brick construction with red brick dressings and aprons below the first-floor windows. The building has three storeys and a basement, with a total of four windows, plus a three-storey extension with one window at the west end. The entrance has an impressive early 19th-century prostyle portico supported by modified, fluted Doric columns and pilasters, along with a fluted frieze that includes roundels beneath a dentil cornice. The half-glazed door is topped with an overlight. The windows have gauged red brick flat arches and flush framed sashes, although the glazing is from the 20th century. The house has a parapet. The interior has not been inspected.

Local climate

Lawn House 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 98% 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 30 freeze-thaw cycles a year, fewer than 66% of listed buildings. Of these, 13 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 1997
  • 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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Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.

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