Suffolk House is a Grade II listed building in the Harrow local planning authority area, England. First listed on 5 February 1973. House. 1 related planning application.

Suffolk House

WRENN ID
worn-bracket-birch
Grade
II
Local Planning Authority
Harrow
Constituency
Harrow West MP: Gareth Thomas (Lab)
Country
England
Date first listed
5 February 1973
Type
House
Address
Suffolk House, 40, Byron Hill Road, HA1 3ET
OS grid reference
TQ 149 870
Coordinates
51.57084, -0.34251
Source
Historic England listing

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

Description

Suffolk House is an early 19th-century building located on Byron Hill Road in Harrow-on-the-Hill. It is constructed of yellow stock brick and stands two storeys high, featuring three 19th-century sash windows. The building has a later projecting porch at the centre and a hipped slate roof. The rear elevation retains Georgian sashes, and there is a one-bay wing that is slightly set back on the right side.

Local climate

Suffolk 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 97% 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 29 freeze-thaw cycles a year, fewer than 67% 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 2 transactions since 2006
  • 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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  10. Southern Block Fronting Road to Roxeth First and Middle School Grade II 217 m