11 Guildhall Square is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 15 May 1980. Commercial premises. 5 related planning applications.
11 Guildhall Square
- WRENN ID
- sunken-oriel-ivy
- Grade
- II
- Local Planning Authority
- Carmarthenshire
- Constituency
- Caerfyrddin MP: Ann Davies (PC)
- Country
- Wales
- Date first listed
- 15 May 1980
- Type
- Commercial premises
- Address
- 11 Guildhall Square, Carmarthen, SA31 1QB
- OS grid reference
- SN 411 200
- Coordinates
- 51.85634, -4.30786
- Source
- Cadw listing
Description
11 Guildhall Square is a house that has been converted into commercial premises. It features a red brick exterior in Flemish bond with a close-eaved slate roof and 20th-century gutter boards at the eaves. The building has three storeys and a cellar, with two bays facing the square and three bays on Blue Street, including a chamfered angle between the two elevations.
The upper floors have hornless 16-pane sash windows, which are adorned with brick voussoirs and painted stone sills. On the front left, there is a lead rainwater head featuring the Prince of Wales feathers, along with a downpipe that has crossed acorns on the brackets. The former double bow-fronted shop front has been altered, with bowed windows containing 20 panes each flanking a 20th-century glazed door, all within a common casing of pilasters and a cornice. While the cornice is original, the windows have been shortened by one pane to create a larger fascia. The building also has a rubble stone plinth with voussoirs from blocked cellar windows.
The chamfered angle of the building displays a large 19th-century painted metal coffee pot attached to the first floor. The Blue Street elevation features 16-pane sashes on the upper floors and a similar sash on the ground floor right. The ground floor left has a renewed 28-pane bow-fronted shop window, and the rubble stone plinth includes segmental-headed cellar openings. The canted angle on the southwest side has a similar 16-pane sash on both upper floors, along with four steps leading up to a pedimented doorcase that contains a 20th-century door. The open pediment, supported by console brackets, may be original.
The ground floor has been altered throughout in the 20th century.
Local climate
11 Guildhall Square sits in one of the wettest parts of the UK, with an average of 1,270 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 93% of listed buildings.
It experiences an average of 30 freeze-thaw cycles a year, fewer than 64% of listed buildings. Of these, 14 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
- Related listed building consents — 5 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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