18 and 20, Market Square is a Grade II listed building in the Buckinghamshire local planning authority area, England. A Cl8 House.
18 and 20, Market Square
- WRENN ID
- turning-banister-reed
- Grade
- II
- Local Planning Authority
- Buckinghamshire
- Constituency
- Chesham and Amersham MP: Sarah Green (LD)
- Country
- England
- Type
- House
- Address
- 18 and 20, Market Square, Chesham, HP5 1ER
- OS grid reference
- SP 959 014
- Coordinates
- 51.7039, -0.61359
- Source
- Historic England listing
Description
18 and 20 Market Square is a building from the 18th century with an altered front. It is constructed of colour-washed brick and has an old tiled roof. The building has two storeys and attics, featuring two box dormers. The ground floor includes 19th century and modern shops with cornices. On the first floor, there are three windows: two sash windows and a 19th century canted casement bay. The north side elevation displays exposed timber framework. Nos 2 to 20 (even) form a group.
Local climate
18 and 20, Market Square sits in a drier-than-average part of the UK, with an average of 720 mm of rain a year. This makes it drier than 83% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 83% of listed buildings.
It experiences an average of 36 freeze-thaw cycles a year, more than 63% of listed buildings. Of these, 17 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
- 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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