Cwmbrynar aka Cwmbraenar Cottage is a Grade II listed building in the Caerphilly local planning authority area, Wales. First listed on 24 August 1990. Cottage.

Cwmbrynar aka Cwmbraenar Cottage

WRENN ID
gilded-fireplace-solstice
Grade
II
Local Planning Authority
Caerphilly
Constituency
Caerphilly MP: Chris Evans (Lab)
Country
Wales
Date first listed
24 August 1990
Type
Cottage
Address
Cwmbrynar aka Cwmbraenar Cottage, Cwn Braenar, Pontllanfraith
OS grid reference
ST 187 959
Coordinates
51.65689, -3.17531
Source
Cadw listing

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

Description

Cwmbrynar, also known as Cwmbraenar Cottage, is a two-storey cottage featuring late Georgian architectural details. It is constructed of rubble masonry and topped with a Welsh slate roof, which includes end chimney stacks with brick neck bands. The front of the cottage has a broad two-window layout, with all openings showcasing cambered-headed voussoirs. On either side of the entrance are recessed small-pane horned sash windows with sills, featuring 9 panes on the first floor and 12 panes on the ground floor. The entrance has a four-panelled door that was originally set further back and is now partially glazed. At the rear, there is a cat-slide roof, a central doorway, and cambered-headed windows on both sides, with the upper window positioned just below the eaves. There are no windows on the gable ends.

Inside, the layout remains unaltered, featuring a central cross passage, end chimneys, and winding stone stairs next to the stepped chimney breast on the right. The ceilings are beamed, and upstairs, the two rooms connect directly to one another in a traditional arrangement.

Local climate

Cwmbrynar aka Cwmbraenar Cottage sits in a wetter-than-average part of the UK, with an average of 1,090 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 79% of listed buildings.

It experiences an average of 44 freeze-thaw cycles a year, more than 85% of listed buildings. Of these, 21 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
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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