Y Bwthyn is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 26 August 1992. House.

Y Bwthyn

WRENN ID
still-flint-woodpecker
Grade
II
Local Planning Authority
Gwynedd
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
26 August 1992
Type
House
Address
Y Bwthyn, Vaynol Park, Bangor, Pentir
OS grid reference
SH 537 696
Coordinates
53.20404, -4.19168
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Y Bwthyn is a single-storey building constructed from rubble stonework and topped with a slate roof. It features a symmetrical south-facing front, which includes an open central porch with a two-centred opening. The porch is gabled and adorned with a ball finial. On either side of the porch, there are modern windows fitted into the original openings, and to the left (west) gable, there is a small square bay window. The roof is hipped with wide eaves, and there are stacks located on the rear wall.

Local climate

Y Bwthyn sits in one of the wettest parts of the UK, with an average of 1,210 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.

It experiences an average of 23 freeze-thaw cycles a year, fewer than 75% of listed buildings. Of these, 11 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
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  • 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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