Craiglas aka Graiglas is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 17 December 1998. House.

Craiglas aka Graiglas

WRENN ID
sleeping-rampart-rowan
Grade
II
Local Planning Authority
Brecon Beacons National Park
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
17 December 1998
Type
House
Address
Craiglas aka Graiglas, Talybont on Usk, Talybont-On-Usk, Powys
OS grid reference
SO 119 220
Coordinates
51.88971, -3.28119
Source
Cadw listing

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

Description

Craiglas, also known as Graiglas, is a Regency house featuring a main three-bay unit with a side entrance, a stepped-back wing on the left, and a rear cross wing. Adjacent to the entrance porch is a single-storey billiard hall, along with a further wing used for storage that is built against and into the bank. The exterior is made of scored rendered stone with a Welsh slate roof, overhanging eaves adorned with decorative bargeboards and soffits, narrow and long brick stacks, and decorative ridge tiles.

The two-storey main garden frontage has a three-window range, with the center window being blind. The windows are 6/6 pane sashes with very narrow glazing bars set in deep reveals. The ground floor features cross-framed French windows, and there is a similar two-window range on the set-back wing, with some sashes being blind on the side. A pedimented portico is supported by metal columns with fluted piers, and the lobby and entrance door are glazed with stained glass, flanked by grooved pilasters. The gabled former billiard hall has decorative bargeboards, a glazed rooflight, and a large rectangular multipane metal-framed window that retains much of its original glass and decorative leading. The curved entrance wall is made of rock-faced stone gatepiers, with iron spear railings featuring urn stanchions and decorative iron gates.

Inside, the house retains a basket arch to the inner hall and a staircase that runs parallel to the frontage, featuring stick balusters, decorative ends to the treads, and a wreathed handrail. There is a window in the Gothick style that is now internal, along with a large staircase window with radial glazing. The doors and windows have Regency surrounds that are fluted with rosettes, and there are panelled shutters, some of which include Gothick detail. The plasterwork includes friezes from two different periods, and there has been some late Victorian remodelling of the fireplaces.

Local climate

Craiglas aka Graiglas sits in one of the wettest parts of the UK, with an average of 1,180 mm of rain a year. This makes it wetter than 90% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 78% of listed buildings.

It experiences an average of 57 freeze-thaw cycles a year, more than 96% of listed buildings. Of these, 32 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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  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • Radon risk assessment
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