Tan-y-Bryn is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 24 May 2000. Cottages.

Tan-y-Bryn

WRENN ID
late-keep-twilight
Grade
II
Local Planning Authority
Gwynedd
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
24 May 2000
Type
Cottages
Address
Tan-y-Bryn, Llandygai, Bangor
OS grid reference
SH 597 706
Coordinates
53.21414, -4.10103
Source
Cadw listing

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

Description

Tan-y-Bryn is a terrace of three two-storey cottages in Llandygai, forming a central range with flanking gabled sections, each representing a separate cottage. The cottages are constructed of snecked slate-stone blocks, with the first floor slate-hung; they have a slate roof with deep verges. The central range features a slightly offset gabled stone and timber porch which includes a 20th-century half-glazed door. To the right of the porch is a three-light mullioned and transomed timber window, and a central three-light flat-roofed dormer with a pediment now contains late 20th-century plastic windows. Each gable has a four-light window with 24 panes on the first floor, and a three-light mullioned and transomed timber window, alongside a smaller window on the ground floor. Gabled porches are present on each return; the left porch has a boarded door set into the front wall, while the right porch is open to the front with a boarded door set into the side wall of the cottage, an arrangement believed to be original. Prominent ridge stacks are located to the left and right of the central range, featuring stone bases and clustered brick diagonal shafts with moulded capping. The interior of the cottages was not inspected. These cottages form part of a group of three.

Local climate

Tan-y-Bryn 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 90% of listed buildings.

It experiences an average of 37 freeze-thaw cycles a year, more than 67% of listed buildings. Of these, 19 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
  • Sale history — 6 transactions since 1999
  • 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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