23 Derllwyn Road is a Grade II listed building in the Bridgend local planning authority area, Wales. First listed on 9 November 1998. House.
23 Derllwyn Road
- WRENN ID
- stark-ledge-plum
- Grade
- II
- Local Planning Authority
- Bridgend
- Constituency
- Bridgend MP: Chris Elmore (Lab)
- Country
- Wales
- Date first listed
- 9 November 1998
- Type
- House
- Address
- 23 Derllwyn Road, Tondu, Ynysawdre, CF32 9HD
- OS grid reference
- SS 890 846
- Coordinates
- 51.54937, -3.60213
- Source
- Cadw listing
Description
This is a house built from ironstone rubble with detailed ashlar dressings, featuring a Welsh slate roof. The roof has a stone ridge stack shared with number 24 on the left and a tall yellow brick stack on the right. The house is two storeys high, with the first floor displaying a range of two casement windows that have cambered arched tooled ashlar voussoirs and a central blind window. The left window has 3/3 panes.
On the ground floor, there is a central later wooden porch in front of a boarded door. To the left, there is a 6/6 pane sash window with a segmental arched brick voussoir and surround, while to the right, there is another 6/6 pane sash window with stone voussoirs. The right side of the house features stone quoins.
Inside, there is a spiral stone staircase located beside the fireplace, which is now partly covered.
Local climate
23 Derllwyn Road sits in one of the wettest parts of the UK, with an average of 1,190 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.
It experiences an average of 18 freeze-thaw cycles a year, fewer than 83% of listed buildings. Of these, 6 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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