20, Trinity Street is a Grade II listed building in the Dorset local planning authority area, England. First listed on 8 May 1975. Residential. 1 related planning application.

20, Trinity Street

WRENN ID
still-corridor-nightshade
Grade
II
Local Planning Authority
Dorset
Constituency
West Dorset MP: Edward Morello (LD)
Country
England
Date first listed
8 May 1975
Type
Residential
Address
20, Trinity Street, Dorchester, DT1 1TU
OS grid reference
SY 691 904
Coordinates
50.71309, -2.43804
Source
Historic England listing

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

Description

No. 20 Trinity Street is an early 19th-century building featuring a stucco exterior and a pitched slate roof with overhanging eaves. The structure is two storeys high and has two ranges of sash windows with glazing bars. The entrance includes a door topped by a fanlight.

Local climate

20, Trinity Street 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
  • No sale records on file
  • 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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