12 High Street is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 26 February 1981. House. 1 related planning application.

12 High Street

WRENN ID
odd-moat-shade
Grade
II
Local Planning Authority
Carmarthenshire
Constituency
Caerfyrddin MP: Ann Davies (PC)
Country
Wales
Date first listed
26 February 1981
Type
House
Address
12 High Street, Llandovery, SA20 0PU
OS grid reference
SN 768 343
Coordinates
51.99424, -3.79501
Source
Cadw listing

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

Description

12 High Street is an end of terrace house featuring three bays and three storeys, topped with a slate gabled roof that has no chimneys. The eaves are close with a moulded eaves board. The facade is painted roughcast, accented with long and short stucco quoins on the left and right. The upper floors are fitted with horned sashes that include marginal glazing, and there are likely original waisted rainwater heads on each side.

The ground floor shop extends significantly forward and has a flat roof with a deep moulded cornice that overhangs a corrugated-iron tent-roofed canopy, supported by four cast-iron columns with decorative capitals. The shopfront dates from the later 19th century but is flanked by fluted Greek Doric timber half-columns, which are presumably from the earlier 19th century. The recessed centre features a glazed door with an overlight, flanked by canted plate glass windows. Each side of the front has similar three-light plate-glass windows, with panes that have curved upper angles and thin dividing shafts. Supporting the soffit of the main cornice are four reeded and garlanded thin cast-iron columns that carry large concave cast-iron brackets with globe pendants, with a fifth bracket located to the left. There is a boarded double door to the left of the shopfront.

The right-hand return is blank and roughcast. Decorative metal fringes that once adorned the shopfront roof and the edge of the canopy, similar to those on Nos 8 and 10, have been lost. The shop interior has been altered, but plain cast iron columns are visible along the line of the original front wall. The interior of the house has not been inspected.

Local climate

12 High Street sits in one of the wettest parts of the UK, with an average of 1,390 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 91% of listed buildings.

It experiences an average of 43 freeze-thaw cycles a year, more than 84% of listed buildings. Of these, 23 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 — 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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  4. Belmont including front walls, railings and gate Grade II 21 m
  5. 7 High Street Grade II 26 m
  6. 5 High Street Grade II 28 m
  7. Rhoslyn House Grade II 29 m
  8. Commerce House Grade II 32 m
  9. 13 High Street Grade II 35 m
  10. 15 High Street Grade II 40 m