Colson House is a Grade II listed building in the Dorset local planning authority area, England. First listed on 8 May 1975. House. 6 related planning applications.

Colson House

WRENN ID
moated-gutter-laurel
Grade
II
Local Planning Authority
Dorset
Constituency
West Dorset MP: Edward Morello (LD)
Country
England
Date first listed
8 May 1975
Type
House
Address
Colson House, Fordington High Street, Dorchester, DT1 1LB
OS grid reference
SY 697 906
Coordinates
50.71499, -2.43045
Source
Historic England listing

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

Description

Colson House is a mid-18th century building located on Fordington High Street. The house is rendered and features a pitched stone slate roof with coped gables on ashlar kneelers. It has two storeys and attics, with the street side altered except for two attic dormers that have casements and glazing bars. The garden elevation has a slate roof, except above the eaves, and includes a two-storey 19th-century porch with a gabled roof.

The front facade has three window ranges: on the right, there is one casement window on the first floor and a sash window on the ground floor, followed by two sashes with glazing bars on the first floor and French windows on the ground floor. To the east, there is a late 18th or early 19th-century two-storey extension featuring various windows, including one sash with glazing bars in a moulded frame. Additionally, there is an early 19th-century one-storey brick scullery extension at right angles, which has two segment-headed casements with glazing bars and two segment-headed planked doors.

Local climate

Colson House receives an average of 840 mm of rain a year. This makes it wetter than 55% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 77% of listed buildings.

It experiences an average of 13 freeze-thaw cycles a year, fewer than 88% of listed buildings. Of these, 5 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 2003
  • Related listed building consents — 6 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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