Hammels at Plas Cemlyn is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 27 November 2000. Outbuilding. 2 related planning applications.

Hammels at Plas Cemlyn

WRENN ID
other-remnant-twilight
Grade
II
Local Planning Authority
Isle of Anglesey
Constituency
Ynys Môn MP: Llinos Medi (PC)
Country
Wales
Date first listed
27 November 2000
Type
Outbuilding
Address
Hammels at Plas Cemlyn, Cylch-Y-Garn
OS grid reference
SH 330 928
Coordinates
53.40596, -4.5127
Source
Cadw listing

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

Description

Hammels at Plas Cemlyn is a range of structures featuring four hammel doors that open into two stone-walled yards. The walls are made of rubble, and there are flat-headed basket arches with brick voussoirs. The roofs are covered with slate, and there are modern boarded double doors.

Local climate

Hammels at Plas Cemlyn sits in a wetter-than-average part of the UK, with an average of 1,040 mm of rain a year. This makes it wetter than 83% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.

It experiences an average of 4 freeze-thaw cycles a year, fewer than 98% of listed buildings. Of these, 2 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°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
  • Related listed building consents — 2 applications
  • 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. Old farmhouse at Plas Cemlyn Grade II 27 m
  2. Agricultural range at Plas Cemlyn Grade II 40 m
  3. Farmhouse at Plas Cemlyn with curved walling to north and wall incorporating goose pens to south Grade II 68 m
  4. Lychgate at Church of St Rhwydrys Grade II 922 m
  5. Church of St Rhwydrys Grade II* 933 m
  6. Mill house at Felin Gafnan Grade II 1.4 km
  7. Corn drying house at Felin Gafnan Grade II 1.4 km
  8. Stable with servants quarters at Caerau Grade II 1.4 km
  9. Caerau Grade II* 1.5 km
  10. Corn Mill at Felin Gafnan Grade II* 1.5 km