Plas Gwyn is a Grade II listed building in the Denbighshire local planning authority area, Wales. First listed on 24 March 1986. House.
Plas Gwyn
- WRENN ID
- scarred-bailey-sienna
- Grade
- II
- Local Planning Authority
- Denbighshire
- Constituency
- Clwyd North MP: Gill German (Lab)
- Country
- Wales
- Date first listed
- 24 March 1986
- Type
- House
- Address
- Plas Gwyn, 21 Russel Road, Rhyl, LL18 3BS
- OS grid reference
- SJ 009 815
- Coordinates
- 53.32117, -3.4891
- Source
- Cadw listing
Description
Plas Gwyn is a two-storey building featuring lined-out render over squared rubble and brick, topped with a slate roof that has end wall and axial stacks. The structure is symmetrically planned with a central entrance flanked by slightly advanced wide gables. It has a shallow gabled entrance porch with renewed bargeboards. Each outer gable has 3-light mullioned leaded windows on both floors, complete with drop-ended hood moulds. An added canted bay window on the left-hand gable has been cut through to create French doors. The gables' bargeboards are decorated with recessed trefoiled panels and finials, while the oversailing eaves are supported by moulded brackets.
Local climate
Plas Gwyn sits in a wetter-than-average part of the UK, with an average of 980 mm of rain a year. This makes it wetter than 78% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 59% of listed buildings.
It experiences an average of 20 freeze-thaw cycles a year, fewer than 79% of listed buildings. Of these, 10 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 — 1 transaction since 2005
- 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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