Gatehouse at Rhiwaedog is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 20 October 1966. Gatehouse. 1 related planning application.
Gatehouse at Rhiwaedog
- WRENN ID
- open-storey-smoke
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 20 October 1966
- Type
- Gatehouse
- Address
- Gatehouse at Rhiwaedog, Rhos-Y-Gwaliau, Llangywer, Gwynedd, LL23 7EU
- OS grid reference
- SH 947 348
- Coordinates
- 52.90064, -3.56677
- Source
- Cadw listing
Description
The gatehouse at Rhiwaedog is a two-storey structure built of well-coursed masonry, featuring a slate roof with advanced eaves and verges, and a tall stack on the left (east) gable with dripstones and capping. It is symmetrically designed, with the main elevation facing north and consisting of three bays, highlighted by a broad central gable. The central doorway is elevated by three steps and has a 4-centred head made of radiating voussoirs. There are flanking windows and a window in the gable above, all of which are modern three-light timber casements, with similar ground floor windows on each gable return.
The interior was not accessible during the survey in June 2004, but a previous listing description from 1966 notes that it features a roof of unusual construction with tie beams and wind braces.
Local climate
Gatehouse at Rhiwaedog sits in one of the wettest parts of the UK, with an average of 1,190 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 80% of listed buildings.
It experiences an average of 53 freeze-thaw cycles a year, more than 94% of listed buildings. Of these, 33 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
- Sale history — 1 transaction since 2023
- Related listed building consents — 1 application
- 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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