Maes-glas is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 15 September 1999. House. 3 related planning applications.
Maes-glas
- WRENN ID
- roaming-storey-pigeon
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 15 September 1999
- Type
- House
- Address
- Maes-glas, Clynnog-Fawr, Caernarfon, Clynnog, LL54 5PF
- OS grid reference
- SH 413 494
- Coordinates
- 53.01916, -4.36647
- Source
- Cadw listing
Description
Maes-glas is a house constructed of rubble stone, partially covered with a pebbledash finish, and topped with a slate roof featuring stone-coped gables. The house comprises two parallel ranges of equal length. The front block has gable stacks and was partly rebuilt in the late 19th century. A central part-glazed door, with a narrow overlight, is set within a glazed timber porch displaying decorative ridge detailing and barge boards. Twelve-paned, small margin glazed sash windows are found on both floors, with an additional window positioned above the door. A lean-to extension is located at the north end of the building.
Local climate
Maes-glas sits in one of the wettest parts of the UK, with an average of 1,710 mm of rain a year. This makes it wetter than 99% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 99% of listed buildings.
It experiences an average of 7 freeze-thaw cycles a year, fewer than 95% 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 0.3°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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 5 transactions since 2020
- Related listed building consents — 3 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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