Telford Milestone (20) is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 21 April 1998. Milestone.
Telford Milestone (20)
- WRENN ID
- lapsed-bracket-auburn
- Grade
- II
- Local Planning Authority
- Isle of Anglesey
- Constituency
- Ynys Môn MP: Llinos Medi (PC)
- Country
- Wales
- Date first listed
- 21 April 1998
- Type
- Milestone
- Address
- Telford Milestone (20), Llanfairpwllgwyngyll, Llanfair Pwllgwyngyll
- OS grid reference
- SH 526 716
- Coordinates
- 53.22139, -4.20842
- Source
- Cadw listing
Description
The Telford Milestone is a historic marker made of dressed Anglesey limestone. It features a shallow triangular head and raking chamfered sides. There is a cast iron inset plate with white lettering on a black background that reads: HOLY- / HEAD / 20 / MONA / 7 / BANGOR / 5.
Local climate
Telford Milestone (20) 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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- 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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