Privy tower at Porthamel is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 20 May 1998. Tower.
Privy tower at Porthamel
- WRENN ID
- spare-balcony-amber
- Grade
- II
- Local Planning Authority
- Isle of Anglesey
- Constituency
- Ynys Môn MP: Llinos Medi (PC)
- Country
- Wales
- Date first listed
- 20 May 1998
- Type
- Tower
- Address
- Privy tower at Porthamel, Llanidan
- OS grid reference
- SH 506 678
- Coordinates
- 53.18716, -4.23684
- Source
- Cadw listing
Description
The Privy Tower at Porthamel is a square tower with tapering sides, constructed from pink gritstone rubble. It features a single door on the east side, which has a pointed arch lintel. The walls of the tower are in a ruinous state, and the roof is missing. To the north, there is a garden wall that includes a pointed arch gateway.
Local climate
Privy tower at Porthamel sits in one of the wettest parts of the UK, with an average of 1,210 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.
It experiences an average of 23 freeze-thaw cycles a year, fewer than 75% of listed buildings. Of these, 11 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 1 transaction since 2023
- 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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