Haroldstone Bridge (partly in Merlins Bridge community) is a Grade II listed building in the Pembrokeshire local planning authority area, Wales. First listed on 1 July 1974. Vernacular house.
Haroldstone Bridge (partly in Merlins Bridge community)
- WRENN ID
- long-railing-candle
- Grade
- II
- Local Planning Authority
- Pembrokeshire
- Constituency
- Mid and South Pembrokeshire MP: Henry Tufnell (Lab)
- Country
- Wales
- Date first listed
- 1 July 1974
- Type
- Vernacular house
- Address
- Haroldstone Bridge (partly in Merlins Bridge community), Haverfordwest
- OS grid reference
- SM 959 148
- Coordinates
- 51.79485, -4.96112
- Source
- Cadw listing
Description
Haroldstone Bridge is a single-arched road bridge featuring a well-hade segmental arch made of rock-faced stone voussoirs. It has a raised grey limestone flat band above the arch. The bridge is notable for its unusually high flat parapets, which have squared end-on coping stones. There is a boundary stone with an eroded inscription built into the west parapet. The parapets are ramped down at the ends on the southeast, southwest, and northeast sides.
Local climate
Haroldstone Bridge (partly in Merlins Bridge community) sits in a wetter-than-average part of the UK, with an average of 1,060 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 4 freeze-thaw cycles a year, fewer than 98% 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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