Trinity House Landmark is a Grade II listed building in the Dorset local planning authority area, England. Landmark.
Trinity House Landmark
- WRENN ID
- first-footing-wren
- Grade
- II
- Local Planning Authority
- Dorset
- Constituency
- South Dorset MP: Lloyd Hatton (Lab)
- Country
- England
- Type
- Landmark
- Address
- Trinity House Landmark, Portland Bill Road
- OS grid reference
- SY 677 682
- Coordinates
- 50.51328, -2.45671
- Source
- Historic England listing
Description
Trinity House Landmark is a structure dating from 1844, located on the south side of Portland Bill Road. It is made of Portland stone ashlar and features a three-sided tapering obelisk that stands approximately 10 meters high, set on a high plinth and topped with a pyramidal crown. The north face of the obelisk is inscribed with "TH 1844".
Local climate
Trinity House Landmark receives an average of 850 mm of rain a year. This makes it wetter than 58% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 78% of listed buildings.
It experiences an average of 14 freeze-thaw cycles a year, fewer than 87% of listed buildings. Of these, 5 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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