20 Church Street is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 10 August 2005. House.
20 Church Street
- WRENN ID
- fading-plinth-russet
- Grade
- II
- Local Planning Authority
- Monmouthshire
- Constituency
- Monmouthshire MP: Catherine Fookes (Lab)
- Country
- Wales
- Date first listed
- 10 August 2005
- Type
- House
- Address
- 20 Church Street, Monmouth
- OS grid reference
- SO 508 129
- Coordinates
- 51.81292, -2.71444
- Source
- Cadw listing
Description
20 Church Street is a three-storey, gabled house built in a timber frame and cement rendered, topped with a Welsh slate roof. The building features a gable end facing the street and includes an early 20th-century shopfront with a central entrance and a sloped fascia that conceals the jetty. On the first floor, there is a single three-light steel casement window, with paired two-light windows in the gable above. The bargeboards are plain, and the rear elevation has a coped gable with two six-over-six pane sash windows.
The interior has undergone alterations, including changes to the planning and details, and the staircase has been replaced. However, some original features remain, such as chamfered cross-beams with lamb's tongue stops and parts of the principal rafter roofs, which are pegged and halved at the apex. The rubblestone dividing walls are also visible. Notably, the interior has been joined to that of No. 22.
Local climate
20 Church Street receives an average of 820 mm of rain a year. This makes it wetter than 52% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 57% of listed buildings.
It experiences an average of 42 freeze-thaw cycles a year, more than 80% of listed buildings. Of these, 19 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.
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- 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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