The Watch House is a Grade II listed building in the Pembrokeshire Coast National Park local planning authority area, Wales. First listed on 4 February 1991. House.
The Watch House
- WRENN ID
- lunar-merlon-flax
- Grade
- II
- Local Planning Authority
- Pembrokeshire Coast National Park
- Constituency
- Ceredigion Preseli MP: Ben Lake (PC)
- Country
- Wales
- Date first listed
- 4 February 1991
- Type
- House
- Address
- The Watch House, Llanrhian
- OS grid reference
- SM 826 317
- Coordinates
- 51.9415, -5.16397
- Source
- Cadw listing
Description
The Watch House is a small single-storey cottage dating from the late 18th century or early 19th century. It is constructed of whitened rubble stone and features a grouted slate roof with roughcast stone end stacks. There is a lower range attached to the west side of the cottage. The low north-facing front has a single casement window, a door, and a small square fixed light. The adjoining range includes two 20th-century front windows, and there is a small rear window in each section. The interior has been modernised.
Local climate
The Watch House 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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