Cilgwyn Manor is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 8 July 1966. Country house. 4 related planning applications.

Cilgwyn Manor

WRENN ID
brooding-tracery-ridge
Grade
II
Local Planning Authority
Carmarthenshire
Constituency
Caerfyrddin MP: Ann Davies (PC)
Country
Wales
Date first listed
8 July 1966
Type
Country house
Address
Cilgwyn Manor, Llangadog, Myddfai, SA19 9LF
OS grid reference
SN 745 299
Coordinates
51.95407, -3.82734
Source
Cadw listing

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

Description

Cilgwyn Manor is a country house dating to the early to mid-18th century, with later alterations. The house is built of colourwashed roughcast with stucco dressings and has slate roofs. Notable features include chimneys that have been altered, a single rendered stack on the front ridge, a modillion eaves cornice, stucco chamfered quoins, and thin stucco window surrounds.

The main facade is symmetrical with seven windows over three storeys, the central five bays projecting slightly under a broad, modillioned pediment which features a keyed oval panel with a cross motif. Windows are 4-pane sashes from the 19th century, with thin surrounds on the upper floors and French windows on the ground floor. A central 20th-century half-glazed door is set within a classical porch supported by two pairs of painted ashlar Roman Doric columns. The right-hand end wall is windowless, while the left end has two 4-pane sashes to the first floor and two to the second floor. A recessed service wing has a roughcast end stack and a 4-pane sash to the first floor and a 12-pane sash to the second floor, the upper window breaking the eaves under a gable. A later 20th-century wing is attached to the main house by a glazed link.

The rear range of the main house features a full-height semi-circular bow on the east gable end, with a conical metal-clad roof and three sash windows on each floor (12-pane to ground and first floors, 4-pane above). The rear is largely altered, but retains a wall-face stack to the left and arched stair lights on each floor further right. The east end of the rear roof is steeply hipped, suggesting an early to mid-18th century origin.

The central entrance hall contains a small fireplace and early 19th-century panelled doors. A spine corridor has panelled arches on either side of the stair hall, featuring early 19th-century reeded mouldings. The mid-18th century stair is located in the rear range, with a four-flight design, a heavy closed string with alternate balusters displaying a column-on-vase or spiral-on-vase motif, and a thick moulded rail. The bottom newel is heavily tapered with fluting and a square cap, while the others are plain and rectangular. The main windows have early 19th-century shutters. The dining room to the southeast was formerly two rooms. A northeast room has a curved east end and mostly renewed detail, including a later 19th-century fireplace that was moved from an upstairs room. Stair lights have later 19th-century glazing with etched coloured glass margins, red on the first landing and blue on the second.

Local climate

Cilgwyn Manor 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 — 2 transactions since 1996
  • Related listed building consents — 4 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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