Harold's Tower Mausoleum, Thurso is a Grade B listed building in the Highland local planning authority area, Scotland. First listed on 28 November 1984. Mausoleum.
Harold's Tower Mausoleum, Thurso
- WRENN ID
- fossil-jamb-merlin
- Grade
- B
- Local Planning Authority
- Highland
- Constituency
- Caithness, Sutherland and Easter Ross MP: Jamie Stone (LD)
- Country
- Scotland
- Date first listed
- 28 November 1984
- Type
- Mausoleum
- OS grid reference
- ND 135 692
- Coordinates
- 58.60243, -3.48951
- Source
- Historic Environment Scotland listing
Description
Harold's Tower Mausoleum in Thurso was built around 1790 to 1798. It is a hexagonal structure with crude pencil turrets at each angle, which rise through the wallhead to blunt-headed pinnacles. The exterior is harled, featuring a simple wallhead parapet with primitive crenellation. Behind the parapet is a shallow pyramidal slab roof. There is a central plaque on the south elevation above a blocked centre door, with the current entrance located just off-centre on the south face.
Local climate
Harold's Tower Mausoleum, Thurso sits in a wetter-than-average part of the UK, with an average of 970 mm of rain a year. This makes it wetter than 76% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 70% of listed buildings.
It experiences an average of 11 freeze-thaw cycles a year, fewer than 90% of listed buildings. Of these, 8 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
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