20, Old Market Street is a Grade II listed building in the Mid Suffolk local planning authority area, England. First listed on 29 July 1955. A C15 or early C16 House. 1 related planning application.

20, Old Market Street

WRENN ID
first-bailey-candle
Grade
II
Local Planning Authority
Mid Suffolk
Constituency
Waveney Valley MP: Adrian Ramsay (Green)
Country
England
Date first listed
29 July 1955
Type
House
Address
20, Old Market Street, Mendlesham, IP14 5SA
OS grid reference
TM 104 658
Coordinates
52.25059, 1.08091
Source
Historic England listing

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

Description

20 Old Market Street is a Grade II listed building, originally part of a substantial house that extended to the west, dating from the 15th or early 16th century. It is timber framed and plastered, with a plain tiled roof and stands two storeys high. The building features an end-jettied design facing the road, supported by original brackets. It has small-paned casement windows and an old plank door. Inside, there is an internal stack with a cross-axial shaft and a small plastered lean-to on the right.

Notably, the front wall below the jetty has a blocked two-light former shop window, with one light still showing a three-centre arched head. The probable shop doorway adjacent to this window serves as the current front entrance. There is also a blocked arched doorway in the west wall. The upper floor retains intact studding, and one blocked window features square mullions. The ground floor ceiling includes a knee-braced chamfered floor beam, while the stack is a later addition. The roof has not been examined.

Local climate

20, Old Market Street sits in one of the driest parts of the UK, with an average of 700 mm of rain a year. This makes it drier than 93% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 92% of listed buildings.

It experiences an average of 31 freeze-thaw cycles a year, fewer than 63% 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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  • No EPC on record for this property
  • Sale history — 2 transactions since 2002
  • 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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