Nantyfelin is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 19 May 1981. House.
Nantyfelin
- WRENN ID
- seventh-sandstone-holly
- Grade
- II
- Local Planning Authority
- Carmarthenshire
- Constituency
- Caerfyrddin MP: Ann Davies (PC)
- Country
- Wales
- Date first listed
- 19 May 1981
- Type
- House
- Address
- Nantyfelin, Johnstown, Carmarthen
- OS grid reference
- SN 393 196
- Coordinates
- 51.85183, -4.33399
- Source
- Cadw listing
Description
Nantyfelin is a detached house set back behind a lawned forecourt, enclosed by walls and railings. The exterior is finished in painted roughcast and features a hipped slate roof with small stacks on either side. The front elevation is two stories high and consists of a three-window range with a low plinth. The central entrance has an arched door framed by a raised stucco plain arched surround, supported by scrolled brackets at the imposts. The door is a six-panel design with a fanlight above, featuring radial bars, and is accessed by a slate step. The windows are twelve-pane horned timber sashes with painted stone sills. The eaves are decorated with a modillion cornice, and there is a gabled dormer between the left and center bays that includes a four-pane casement, a glazed gable, and a fretted bargeboard. The left end wall has a modillion eaves cornice and no windows.
Inside, there is a panelled timber arch in the hall, and the doors are fielded six-panel designs set in reeded frames. The staircase, dating from the early 19th century, runs continuously to the attic and features stick balusters and a closed string. The principal rooms have reeded stucco cornices, while the dining room includes plain stucco alcoves with segmental arched heads. Some original timber fireplaces remain, accompanied by 19th-century grates.
Local climate
Nantyfelin 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
- 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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