Gwyndy Bach is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 5 April 1971. House.
Gwyndy Bach
- WRENN ID
- late-nave-barley
- Grade
- II
- Local Planning Authority
- Isle of Anglesey
- Constituency
- Ynys Môn MP: Llinos Medi (PC)
- Country
- Wales
- Date first listed
- 5 April 1971
- Type
- House
- Address
- Gwyndy Bach, Llandrygarn, Bodffordd
- OS grid reference
- SH 391 795
- Coordinates
- 53.28816, -4.41401
- Source
- Cadw listing
Description
Gwyndy Bach is an 18th-century two-storey house with a single-storey wing on the left side and a lean-to on the right. It is constructed from rubble masonry and features slate sills. The roof is modern, made of small slates, and has gable stacks with dripstones and capping. The house has recessed horned sash windows, with 12-pane windows on the ground floor and smaller 4-pane windows on the first floor, positioned directly under the eaves. The central entrance includes a shallow rectangular overlight and a slate tablet above that is inscribed with "P / TM / 1780."
The single-storey wing projects from the main elevation and has a blocked doorway at the front, along with a small-paned replacement casement in the north wall. The lean-to features a boarded door on the left side. At the rear, there is a gabled extension that is two-storey, with slate cladding on the ground floor and a wide doorway to the right, while the first floor has wood cladding and a large modern window, all topped with a slate roof. Additionally, there is a lower, single-storey block to the rear on the right, also built of rubble masonry and covered with a slate roof, featuring a single modern window.
The interior was not inspected during the survey but is said to retain a hewn, wide-boarded partition.
Local climate
Gwyndy Bach sits in a wetter-than-average part of the UK, with an average of 1,040 mm of rain a year. This makes it wetter than 84% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 92% of listed buildings.
It experiences an average of 10 freeze-thaw cycles a year, fewer than 91% of listed buildings. Of these, 3 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°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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