Colliton House is a Grade II* listed building in the Dorset local planning authority area, England. First listed on 8 May 1950. House.
Colliton House
- WRENN ID
- odd-cinder-barley
- Grade
- II*
- Local Planning Authority
- Dorset
- Constituency
- West Dorset MP: Edward Morello (LD)
- Country
- England
- Date first listed
- 8 May 1950
- Type
- House
- Address
- Colliton House, Glyde Path Road, Dorchester
- OS grid reference
- SY 690 907
- Coordinates
- 50.71592, -2.43972
- Source
- Historic England listing
Description
Colliton House is a 16th or 17th century building that was altered in the early 18th century, with a datestone from 1729 found on a demolished outhouse. It is constructed of Portland ashlar and features two storeys, along with a one-storey southwest wing and a three-storey northeast wing. The north front has a parapet with moulded coping and five ranges of sash windows with glazing bars, each framed by beaded stone architraves with keys. The central first-floor window has a round arch with impost blocks and a keystone. There is a wooden entrance porch with beaded panelled sides, supported by shaped and voluted brackets and posts, which hold up an entablature and pediment decorated with egg-and-dart motifs. The door features an enriched architrave and fielded panelling, and above the porch is a cartouche displaying the arms of the Churchill family, the former owners.
The south elevation showcases three gables from the 16th or 17th century, topped by massive 18th-century brick stacks that have blind arcading with ashlar imposts, archivolts, and keys. The northeast wing contains four ranges of sash windows with glazing bars and moulded stone architraves with keystones. There is one rainwater head and downpipe from the 18th century. The southwest wing is made of red brick and has a modillioned eaves cornice, a hipped stone slate roof, and two windows featuring hollow chamfered stone mullions and casements with iron glazing bars, one of which is leaded.
Inside, the ground floor room at the east end has a panelled partition that appears to date from the 16th century. There is a notable early 18th-century staircase with fluted composite columnar newels, alternately fluted and spiral fluted balusters, and an elaborately carved open string. The staircase features wainscotting up to dado level and is ramped to muntins opposite the newels, with fielded panelling, fluted pilasters, and an enriched cornice at the first semi-landing. The west ground floor room has arcaded recesses at its west end, while a room in the southwest wing has a moulded plaster cornice and a coved ceiling.
Local climate
Colliton 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 2 transactions since 2018
- No related consent applications matched
- 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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