Cornwall House is a Grade II listed building in the Barnet local planning authority area, England. First listed on 7 April 1983. House. 1 related planning application.

Cornwall House

WRENN ID
brooding-tower-burdock
Grade
II
Local Planning Authority
Barnet
Constituency
Finchley and Golders Green MP: Sarah Sackman (Lab)
Country
England
Date first listed
7 April 1983
Type
House
Address
Cornwall House, Cornwall Avenue N3, N3 1LD
OS grid reference
TQ 254 911
Coordinates
51.60482, -0.18991
Source
Historic England listing

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

Description

Cornwall House is a double fronted house, probably built in the late 18th century, which has been altered and extended. It stands two storeys tall and is constructed of stock brick, featuring a stuccoed south elevation. The roof is hipped and slated, with eaves. There is a porch on the south side that includes later bay windows, and a west extension. The interior is plain.

Local climate

Cornwall 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 — 15 transactions since 2017
  • Related listed building consents — 1 application
  • 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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