Y Bwthyn is a Grade II listed building in the Isle of Anglesey local planning authority area, Wales. First listed on 31 March 1967. Cottage.
Y Bwthyn
- WRENN ID
- waiting-lintel-pigeon
- Grade
- II
- Local Planning Authority
- Isle of Anglesey
- Constituency
- Ynys Môn MP: Llinos Medi (PC)
- Country
- Wales
- Date first listed
- 31 March 1967
- Type
- Cottage
- Address
- Y Bwthyn, 8 Wexham Street, Beaumaris
- OS grid reference
- SH 603 762
- Coordinates
- 53.26479, -4.09507
- Source
- Cadw listing
Description
Y Bwthyn comprises five 1½-storey cottages on Wexham Street, forming a row of painted pebble-dashed structures with steep slate roofs and roughcast chimney stacks that have been reduced in height. Each cottage is organised around a central doorway flanked by windows, with a gabled dormer positioned above the doorway. Photographs from around 1912 and 1937 show that Nos 4 and 6 originally had raked dormers, now replaced with gabled versions.
No 2 has a replacement half-glazed door with a gabled canopy and renewed 12-pane horizontal-sliding sash windows. No 4 features smooth-rendered surrounds, an early 20th-century style half-glazed panel door with leaded lights set beneath a slate canopy on brackets, 4-pane horned sashes in the lower storey, and a similar 6-pane window in the dormer. No 6 retains a fielded-panel door under a gabled canopy and renewed 4-pane horizontal-sliding sash windows. No 8, larger than cottages 2 through 6, has a modern panel door with glazed panel in a rendered surround with a simple bracketed canopy, renewed 12-pane horizontal-sliding sashes, and a 2-light small-pane casement in the dormer. No 10, the largest house in the row, displays a half-glazed door with fielded panels and Gothic intersecting glazing bars set in a freestone surround with moulded cornice, and 2-light casement windows. A rubble-stone garden wall with a boarded door is attached to the left end of No 10.
The left gable end of No 10 contains a small stair light positioned right of centre. Rear elevations show significant alteration: No 10 has a replacement window to the right below a skylight and a long 1-storey pebble-dashed rear wing with slate roof and 20th-century detail; No 4 has been raised at the rear with a gabled 2-storey wing featuring a monopitched projection; and No 2 has also been raised with an added 1-storey projection.
The building forms part of a group with 2-10 Wexham Street.
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 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 — 1 transaction since 2021
- 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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