Frondeg is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 31 March 1983. Villa.
Frondeg
- WRENN ID
- spare-lime-vetch
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 31 March 1983
- Type
- Villa
- Address
- Frondeg, Twthill, Caernarfon
- OS grid reference
- SH 481 629
- Coordinates
- 53.14188, -4.27121
- Source
- Cadw listing
Description
Frondeg is a Regency villa that stands two storeys high with a basement and features three bays. The exterior is finished with pebble-dashed walls and has a hipped slate roof with boarded eaves. There is a mid-20th century roof dormer and pebble-dashed stacks on both the right and left sides. The central bay of the villa is slightly advanced. The entrance consists of a central half-lit fielded-panel door, which is topped by a radial-glazed iron overlight and flanked by 12-pane hornless sash windows. The basement includes 6-pane horned sash windows with vertical glazing bars on both sides.
On the lower storey, there is a late 19th-century veranda that features a hipped roof supported by openwork cast iron posts and an arcaded valance. The upper storey contains 6-pane horned sash windows on both sides, with French doors in the centre that once led to a balcony. To the left side of the villa, there is an added bay that has a 12-pane hornless sash window on the lower storey and a replaced window above.
Local climate
Frondeg sits in one of the wettest parts of the UK, with an average of 1,370 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.
It experiences an average of 20 freeze-thaw cycles a year, fewer than 78% of listed buildings. Of these, 9 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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