21 Welsh Street is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 24 March 1975. Memorial. 6 related planning applications.

21 Welsh Street

WRENN ID
scattered-sentry-weasel
Grade
II
Local Planning Authority
Monmouthshire
Constituency
Monmouthshire MP: Catherine Fookes (Lab)
Country
Wales
Date first listed
24 March 1975
Type
Memorial
Address
21 Welsh Street, Chepstow, NP16 5LL
OS grid reference
ST 532 937
Coordinates
51.641, -2.67676
Source
Cadw listing

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

Description

This building, originally a house, now serves as shops, offices, and flats. It is situated on Welsh Street and connects to numbers 21 and 23 at the corner with Moor Street in Town Gate, sharing a common eaves line and curving around the corner. The walls are scored, rendered, and painted, topped by a shallow-pitched slate roof concealed behind a moulded eaves cornice. The building is three storeys tall and has a four-window front, with one window located on the curved corner, featuring 20th-century glazing within recessed reveals. The ground floor contains two large, 20th-century shops, each with a deep fascia board.

Local climate

21 Welsh Street receives an average of 830 mm of rain a year. This makes it wetter than 55% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 59% of listed buildings.

It experiences an average of 39 freeze-thaw cycles a year, more than 76% of listed buildings. Of these, 18 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 2015
  • Related listed building consents — 6 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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Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.

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