Canal House is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 21 October 1998. House.
Canal House
- WRENN ID
- eternal-timber-tallow
- Grade
- II
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 21 October 1998
- Type
- House
- Address
- Canal House, Llangattock Wharf, Llangattock, Powys
- OS grid reference
- SO 205 173
- Coordinates
- 51.84887, -3.15419
- Source
- Cadw listing
Description
Canal House is a symmetrical, two-storey building featuring a two-window main range with a central doorway, constructed from roughly coursed sandstone. To the north, there is a slightly set-back two-storey, one-window extension made of snecked masonry with stone dressings. The entire structure is topped with a slate roof that has brick end stacks, with yellow brick used for the main range and red brick for the extension. The openings are topped with segmental heads featuring voussoirs, and all windows are 12-pane horned sashes. The front door is glazed with small panes, and a continuous hoodmould extends over the front door and its adjacent windows, with similar hoodmoulds above the upper storey windows of the main range. Just below the eaves, there is a tablet with an inscription.
The south gable end is rendered, and there is an added flat-roofed single-storey extension on the south end that continues around the rear, featuring a 20th-century half-lit door at the front. Additionally, there is a small upper storey extension at the rear. The north gable end has masonry at the ground floor, which has been rebuilt in red brick at the upper level and includes a 20th-century window.
Access to the interior was not available at the time of inspection in August 1997.
Local climate
Canal House sits in a wetter-than-average part of the UK, with an average of 1,120 mm of rain a year. This makes it wetter than 88% 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 51 freeze-thaw cycles a year, more than 92% of listed buildings. Of these, 27 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
- 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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