Enclosure Walls at St Tudwal's Lighthouse is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 29 March 1996. Wall enclosure.
Enclosure Walls at St Tudwal's Lighthouse
- WRENN ID
- hollow-sentry-hawk
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 29 March 1996
- Type
- Wall enclosure
- Address
- Enclosure Walls at St Tudwal's Lighthouse, St Tudwals West Island, Pwllheli, Llanengan
- OS grid reference
- SH 334 252
- Coordinates
- 52.7987, -4.47178
- Source
- Cadw listing
Description
The enclosure walls at St Tudwal's Lighthouse date from the time the lighthouse was built and surround the compound that includes the lighthouse and its associated accommodation. This area would have originally contained allotment gardens for the residents. The walls are made of limewashed rubble and feature segmental copings. There are smooth rendered piers at the entrance gate on the north side.
Local climate
Enclosure Walls at St Tudwal's Lighthouse sits in one of the wettest parts of the UK, with an average of 1,660 mm of rain a year. This makes it wetter than 99% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 99% 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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- 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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