23, Old Market Street is a Grade II listed building in the Breckland local planning authority area, England. First listed on 3 June 1993. House/offices. 9 related planning applications.

23, Old Market Street

WRENN ID
ragged-brick-spindle
Grade
II
Local Planning Authority
Breckland
Constituency
South West Norfolk MP: Terry Jermy (Lab)
Country
England
Date first listed
3 June 1993
Type
House/offices
Address
23, Old Market Street, Thetford, IP24 2EQ
OS grid reference
TL 873 827
Coordinates
52.4106, 0.75318
Source
Historic England listing

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

Description

This is a late 16th-century house, later refaced in the early 20th century, with a circa 1700 rear wing. The front is brick and rendered timber frame with ashlar and flint detailing to the rear wing, and it has a 20th-century clay tile roof with brick ridge and end stacks. The building is in an L-shape. It is two storeys and has an attic, with a two-window front. A gable faces to the left, with a 6/6 sash window. To the right of the gable is a two-light casement window. The entrance has a reused 18th-century doorcase featuring pilasters, a section of triglyph frieze, and an open pediment. Further to the right are two 6/6 sash windows, and a two-light casement in a mock framed gable. The rear wing has a 10/10 sash window, and 2- and 3-light casement windows, along with two dormers. The walls incorporate numerous carved and moulded pieces of limestone originating from a Romanesque building dating to circa 1140. Internally, the late 16th-century section retains its heavy timber frame and a clasped purlin roof structure with reduced principals. The end bay was largely replaced when the circa 1700 block was added, and the roof structure of this section is largely obscured, but includes wind bracing, with principal rafters that appear to have been cut back in situ. A fine, bolection-moulded chimney-piece is located on the first floor.

Local climate

23, Old Market 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 — 4 transactions since 1996
  • Related listed building consents — 9 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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