Castle Hill House is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 19 May 1981. Town house. 5 related planning applications.

Castle Hill House

WRENN ID
fallen-clay-river
Grade
II
Local Planning Authority
Carmarthenshire
Constituency
Caerfyrddin MP: Ann Davies (PC)
Country
Wales
Date first listed
19 May 1981
Type
Town house
Address
Castle Hill House, 1 Spilman Street, Carmarthen, SA31 1LE
OS grid reference
SN 413 199
Coordinates
51.85592, -4.30459
Source
Cadw listing

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

Description

Castle Hill House is a two-storey town house built in unpainted stucco, featuring a hipped slate roof, bracketed eaves, and a long rendered central stack without chimney pots. The front has three windows with large 16-pane sash windows and concrete sills. The entrance consists of a six-panel door with four fielded panels and a plain fanlight, set in a panelled arched opening with a fluted thin impost band. An added glazed porch has a roughcast base with glazing above, supported by timber angle pilasters and topped with a cornice. The porch includes a four-panel door and cast-iron rainwater goods.

On the right side facing Castle Hill, there is a lead fluted rainwater head dated 1815, featuring a bunch of grapes. This side has no first-floor windows and a tall plinth at ground level. To the left, there is a three-sided rectangular bay with a 16-pane window at the front and narrow 4-pane windows on the sides. To the right, there is another 16-pane sash window, all beneath similar bracketed eaves.

The rear of the house is taller, with two storeys and a basement, displaying a three-window range. There is a cambered-headed doorway to the basement located left of centre. The outer bays on the ground and first floors have 16-pane sashes, while the centre features a tall arched-headed stair-light with radial glazing bars at the top and small panes.

Inside, there are reeded cornices on the ground and first floors, six-panel doors, and fluted pilasters at the hall arches. The hall boasts a cornice with scroll brackets. An early 19th-century staircase is adorned with stick balusters, scrolled tread ends, and a ramped continuous handrail that curves around an open well. The front rooms have moulded cornices, with the room on the right showcasing a reeded ceiling border with rosettes. The rear right room has a plain cornice and two six-panel cupboard doors.

The fireplaces have been removed. The basement features stick balusters on a simpler stair, slate flags, meat-hooks, and a cast-iron range in the former scullery. There are wine and coal cellars with cobbled floors, and the attic stair is also from the 19th century.

Local climate

Castle Hill House 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
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  1. 2 Spilman Street Grade II 8 m
  2. Front garden wall, gate and railings to No 2 Grade II 13 m
  3. Section of former gaol wall Grade II 22 m
  4. 1 Queen Street Grade II 35 m
  5. 42 Spilman Street Grade II 40 m
  6. 2 Queen Street Grade II 40 m
  7. 17 Queen Street Grade II 41 m
  8. 3 Queen Street Grade II 45 m
  9. 16 Queen Street Grade II 50 m
  10. Premises occupied by Mount Antiques Grade II 52 m