89 and 91, Castle Street is a Grade II listed building in the Breckland local planning authority area, England. First listed on 3 April 1951. House.

89 and 91, Castle Street

WRENN ID
south-clay-thistle
Grade
II
Local Planning Authority
Breckland
Constituency
South West Norfolk MP: Terry Jermy (Lab)
Country
England
Date first listed
3 April 1951
Type
House
Address
89 and 91, Castle Street, Thetford
OS grid reference
TL 874 830
Coordinates
52.41313, 0.75533
Source
Historic England listing

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

Description

89 and 91 Castle Street are a pair of mid-19th century houses located on the north side of Castle Street in Thetford. The buildings are constructed of flint with a gault brick facade, while No. 91 is rendered and colorwashed. The roofs are made of black-glazed pantiles for No. 89 and red pantiles for No. 91. Both houses are two stories tall.

No. 89 features a central 20th-century door flanked by a 6/6 sash window on each side. The first floor has three similar sash windows, all of which are set under segmental heads. The house has a gabled roof with internal gable-end stacks.

No. 91 is designed in two bays and has a 20th-century door to the right of a 20th-century 15/15 sash window. The first floor includes two 6/6 sash windows. This house also has a gabled roof with an internal gable-end stack to the west. The interior has not been inspected.

Local climate

89 and 91, Castle Street sits in a drier-than-average part of the UK, with an average of 710 mm of rain a year. This makes it drier than 88% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 99% of listed buildings.

It experiences an average of 31 freeze-thaw cycles a year, fewer than 62% of listed buildings. Of these, 16 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 — 3 transactions since 1996
  • 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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