Rhoslyn House is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 18 June 2004. House.
Rhoslyn House
- WRENN ID
- tattered-floor-dock
- Grade
- II
- Local Planning Authority
- Carmarthenshire
- Constituency
- Caerfyrddin MP: Ann Davies (PC)
- Country
- Wales
- Date first listed
- 18 June 2004
- Type
- House
- Address
- Rhoslyn House, 9 High Street, High Street, Llandovery
- OS grid reference
- SN 768 343
- Coordinates
- 51.994, -3.79484
- Source
- Cadw listing
Description
Rhoslyn House is a large 19th-century terraced house featuring three bays and two storeys. It has a slate gabled roof with a roughcast chimney on the right side and deep flat eaves. The facade is roughcast and includes hornless plate-glass sash windows on the upper floors, with smaller windows on the second floor. The ground floor has a 19th-century shop front that is deeply recessed, supported by two central iron columns. There is a 20th-century fascia that may be covering a bracket cornice similar to that of No. 11. To the far left, there is a four-panel house door with a large rectangular overlight. The shop front is framed by pilasters, featuring a central recessed shop door with a pivoted large overlight that has marginal glazing bars, flanked by two large plate-glass windows, each supported by three thin turned column shafts. The right-hand return of the building shows a plain roughcast upper section.
Local climate
Rhoslyn 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 4 transactions since 2003
- 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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