Commerce House is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 18 June 2004. Terrace house.
Commerce House
- WRENN ID
- strange-cloister-thrush
- Grade
- II
- Local Planning Authority
- Carmarthenshire
- Constituency
- Caerfyrddin MP: Ann Davies (PC)
- Country
- Wales
- Date first listed
- 18 June 2004
- Type
- Terrace house
- Address
- Commerce House, 11 High Street, Llandovery, SA20 0PU
- OS grid reference
- SN 768 343
- Coordinates
- 51.994, -3.79475
- Source
- Cadw listing
Description
Commerce House is a 19th-century terrace house that stands three storeys tall and features two bays. It has a slate gabled roof with a red brick chimney stack on the left, which appears to be shared with the adjacent No. 13. The house has deep, bracketed eaves and a painted roughcast facade, along with a plinth. The upper floors have horned sash windows with marginal glazing, while the second floor has smaller windows. A cornice with brackets is located above the ground floor, which includes a recessed six-panel door with a plain rectangular overlight to the right and a tall window with three fixed panes to the left. The interior has not been inspected, but it is noted that the former shop is said to have had a timber chimneypiece of late Georgian design.
Local climate
Commerce House 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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- 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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