Gate posts and gate at entrance to 3 Tros yr Afon is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 20 February 1978. Townhouse.

Gate posts and gate at entrance to 3 Tros yr Afon

WRENN ID
proud-barrel-weasel
Grade
II
Local Planning Authority
Isle of Anglesey
Constituency
Ynys Môn MP: Llinos Medi (PC)
Country
Wales
Date first listed
20 February 1978
Type
Townhouse
Address
Gate posts and gate at entrance to 3 Tros yr Afon, Beaumaris
OS grid reference
SH 601 758
Coordinates
53.26081, -4.09869
Source
Cadw listing

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

Description

The entrance to 3 Tros yr Afon features 19th-century cast iron fluted gate posts that have the name 'Francis Morton Liverpool' in raised letters. The gate itself dates from the mid-20th century.

Local climate

Gate posts and gate at entrance to 3 Tros yr Afon 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
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  • 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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  1. 3 Tros yr Afon Grade II 28 m
  2. 2 Tros yr Afon Grade II 31 m
  3. 4 Tros yr Afon Grade II 31 m
  4. 1 Tros yr Afon Grade II 42 m
  5. Outbuilding behind 4 Tros yr Afon Grade II 46 m
  6. Porth Hir Grade II 124 m
  7. Plas Maelog Grade II 137 m
  8. Bryn Canol Grade II 139 m
  9. The Bryn Grade II 140 m
  10. Bridge over Mill Lane on former drive to Baron Hill Grade II 160 m