11 Williamson Street is a Grade II listed building in the Pembrokeshire local planning authority area, Wales. First listed on 14 July 1981. House.
11 Williamson Street
- WRENN ID
- secret-pediment-cobweb
- Grade
- II
- Local Planning Authority
- Pembrokeshire
- Constituency
- Mid and South Pembrokeshire MP: Henry Tufnell (Lab)
- Country
- Wales
- Date first listed
- 14 July 1981
- Type
- House
- Address
- 11 Williamson Street, Orange Town, Pembroke
- OS grid reference
- SM 983 012
- Coordinates
- 51.67338, -4.9176
- Source
- Cadw listing
Description
11 Williamson Street is part of a row of houses that have single-storey front elevations that step uphill from one another. The front is cement rendered and lined to resemble ashlar. It features two large four-pane horned windows and a central doorway. There is a slate close-eaved roof and a stone stack at the left end. The entrance has one slate step leading up to a four-panelled door with moulded borders around the panels and an overlight above. The windows have slate sills.
Local climate
11 Williamson Street sits in a wetter-than-average part of the UK, with an average of 1,160 mm of rain a year. This makes it wetter than 89% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 2 transactions since 2018
- 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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