Mardir is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 16 June 2010. Villa.
Mardir
- WRENN ID
- standing-postern-fen
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 16 June 2010
- Type
- Villa
- Address
- Mardir, Penrhyndeudraeth
- OS grid reference
- SH 611 387
- Coordinates
- 52.92847, -4.06753
- Source
- Cadw listing
Description
Mardir is a Neo-Georgian villa with an attached contemporary surgery. The house is two stories tall and has seven bays, with a modern extension set back to the left. It features a stuccoed finish and small pane sash windows with projecting sills. The hipped slate roof has overhanging eaves, plain ridge tiles, and two central ridge stacks, one of which has been reduced in size. The main front faces the estuary and is characterized by three advanced central bays topped with a shallow pedimented gable that includes a lunette and a dentilled string course. There is a first-floor string course along the outer bays. On either side of the main house, there are single-storey extensions that are set back and feature round-headed windows with balconies above. The main entrance is through a Palladian loggia located in the return of the right-hand extension.
To the right of the main house, there is a single-storey surgery with six bays, which is attached and set back. The rear elevation lacks clear symmetry, with a large later extension advanced to the right and a new colonnaded single-storey entrance to the left.
The interior has been altered but originally featured an entrance from the right-hand side leading into a main hall that opens to a long plan of three rooms wide across the front, with the original straight stair located against the rear wall. Some original doors, door frames, fireplaces, and skirtings remain.
Local climate
Mardir sits in one of the wettest parts of the UK, with an average of 1,490 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 97% of listed buildings.
It experiences an average of 32 freeze-thaw cycles a year, fewer than 60% of listed buildings. Of these, 15 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
- 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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