Garth Tower is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 30 January 1968. Tower.
Garth Tower
- WRENN ID
- white-marble-weasel
- Grade
- II
- Local Planning Authority
- Isle of Anglesey
- Constituency
- Ynys Môn MP: Llinos Medi (PC)
- Country
- Wales
- Date first listed
- 30 January 1968
- Type
- Tower
- Address
- Garth Tower, Glyn Garth, Cwm Cadnant
- OS grid reference
- SH 580 741
- Coordinates
- 53.24545, -4.12904
- Source
- Cadw listing
Description
Garth Tower is a circular tower that stands two storeys high. It is constructed from local rubble masonry and features rough arched recessed windows and a doorway on the southwest side. The tower has a slightly offset parapet with slate-capped castellations. Although the interior was not inspected during the survey, a previous listing description notes that there is a central circular newel post supporting a spiral pine staircase.
Local climate
Garth Tower 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 90% of listed buildings.
It experiences an average of 37 freeze-thaw cycles a year, more than 67% of listed buildings. Of these, 19 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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