Ffynnongower is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 31 January 2005. House.
Ffynnongower
- WRENN ID
- slow-buttress-elm
- Grade
- II
- Local Planning Authority
- Snowdonia National Park
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 31 January 2005
- Type
- House
- Address
- Ffynnongower, Llangywer, Gwynedd
- OS grid reference
- SH 898 315
- Coordinates
- 52.87007, -3.63767
- Source
- Cadw listing
Description
Ffynnongower is a two-storey house constructed from roughly coursed masonry, featuring large stones as quoins and lintels. It has a slate roof with advanced eaves and verges, along with rectangular gable stacks that include dripstones and capping. The main elevation faces Llyn Tegid to the northwest and consists of a three-window range with a central doorway. The door is half glazed and topped by a shallow overlight with a central glazing bar. The metal-framed windows have small panes and a central opening casement.
On the left (northeast) gable, there is a single-storey lean-to addition that includes a small paned casement window. The rear of the main part of the house features small paned timber casements on the first floor. The ground floor is mostly obscured by a full-width single-storey lean-to addition, which has an entrance in the northeast wall and a single modern light in the southeast wall. The lean-to addition at the northeast gable includes a doorway on the right (northeast) and a large timber casement on the left.
Inside, the house has been somewhat modernised but retains its original ground plan. The front door leads into a small hallway with stairs rising to the rear and doorways to the ground floor rooms. The room on the left retains an exposed ceiling with rough chamfered cross beams and joists.
Local climate
Ffynnongower 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
- 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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