20 Bethel Square is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 31 May 1961. Shop. 8 related planning applications.

20 Bethel Square

WRENN ID
moated-ember-willow
Grade
II
Local Planning Authority
Brecon Beacons National Park
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
31 May 1961
Type
Shop
Address
20 Bethel Square, Powys, LD3 7JP
OS grid reference
SO 045 285
Coordinates
51.94757, -3.39026
Source
Cadw listing

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

Description

20 Bethel Square is a shop with living accommodation above, dating from the 18th century. The building is finished in stucco and features a moulded band above the ground floor. It has a slate roof with eaves coving. The front is three storeys high and has three windows. The windows have plain reveals, with square 6-pane sashes on the top floor and 12-pane sashes on the first floor. The ground floor has a modern shopfront.

Inside, the interior has been significantly altered, but it still retains a good earlier 18th-century staircase at the rear, along with original doors and doorcases leading to the staircase hall.

Local climate

20 Bethel Square sits in one of the wettest parts of the UK, with an average of 1,260 mm of rain a year. This makes it wetter than 93% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 82% of listed buildings.

It experiences an average of 56 freeze-thaw cycles a year, more than 96% of listed buildings. Of these, 32 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.
  • No sale records on file
  • Related listed building consents — 8 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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Nearby listed buildings

  1. 7 Lion Street Grade II 11 m
  2. No.1 Bethel Square Grade II 12 m
  3. 9 Lion Street Grade II 23 m
  4. 4a Lion Yard Grade II 24 m
  5. 4b Lion Yard Grade II 25 m
  6. Town Hall Grade II 27 m
  7. 4 High Street Inferior Grade II 28 m
  8. HSBC Bank Grade II 28 m
  9. 3 High Street Inferior Grade II 29 m
  10. 2 High Street Inferior Grade II 30 m