Maen Dewi is a Grade II listed building in the Pembrokeshire Coast National Park local planning authority area, Wales. First listed on 28 July 1992. Farmhouse.
Maen Dewi
- WRENN ID
- western-spire-tallow
- Grade
- II
- Local Planning Authority
- Pembrokeshire Coast National Park
- Constituency
- Mid and South Pembrokeshire MP: Henry Tufnell (Lab)
- Country
- Wales
- Date first listed
- 28 July 1992
- Type
- Farmhouse
- Address
- Maen Dewi, St. David's and the Cathedral Close
- OS grid reference
- SM 767 269
- Coordinates
- 51.89657, -5.24572
- Source
- Cadw listing
Description
Maen Dewi is a mid-19th century farmhouse constructed from rubble stone and topped with grouted slate roofs. The northeast front features three windows across two storeys, which are small-paned sashes with stone voussoirs and slate sills, along with a central door. To the left, there is a lower range that is two storeys high with two windows, smaller upper windows, and a large stone end stack.
The rear of the building is roughcast and whitewashed, accented with painted raised cement dressings. The main range includes 4-pane sashes on each side and a tall pointed-headed central stair light. The lower range has two small 4-pane sashes above, with a door located in a modern porch below. The house has not been fully inspected.
Local climate
Maen Dewi sits in a wetter-than-average part of the UK, with an average of 1,050 mm of rain a year. This makes it wetter than 85% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.
It experiences an average of 3 freeze-thaw cycles a year, fewer than 99% of listed buildings. Of these, 1 follows 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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