Boundary stone on Henllys Lane is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 13 July 2005. Marker.

Boundary stone on Henllys Lane

WRENN ID
final-pediment-sepia
Grade
II
Local Planning Authority
Isle of Anglesey
Constituency
Ynys Môn MP: Llinos Medi (PC)
Country
Wales
Date first listed
13 July 2005
Type
Marker
Address
Boundary stone on Henllys Lane, Beaumaris
OS grid reference
SH 603 764
Coordinates
53.26687, -4.09534
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

This is a round-headed roadside boundary stone located on Henllys Lane. The stone features a weathered inscription. In the center, the word 'parishes' is displayed above a vertical dividing line. To the left of the line is the name 'Llanfaes', and to the right is 'Beaumaris'.

Local climate

Boundary stone on Henllys Lane 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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