Bwthyn Rhosyn (Rose Cottage) is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 29 May 1968. A 19th century Cottage.
Bwthyn Rhosyn (Rose Cottage)
- WRENN ID
- lapsed-bracket-yarrow
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 29 May 1968
- Type
- Cottage
- Period
- 19th century
- Address
- Bwthyn Rhosyn (Rose Cottage), Llandwrog, Caernarfon
- OS grid reference
- SH 451 560
- Coordinates
- 53.07897, -4.31339
- Source
- Cadw listing
Description
Bwthyn Rhosyn, also known as Rose Cottage, is a single-storey cottage built in 1835, showcasing a picturesque Gothic style typical of the earlier buildings in the replanned village. The exterior features irregularly coursed rubblestone with ashlar dressings around the outer arch of the porch, and reddish brown brick window surrounds and chimney stacks. The slate roof has coped verges and deep overhanging eaves with slate soffits.
The cottage has a central gabled porch with a datestone marked "1835" above an outer depressed pointed arch. Inside the porch, there is a ledged inner door with a glazed panel leading to a timber tympanum. On either side of the porch, there are three-light timber mullioned and transomed windows with cambered heads and dripmoulds. The cottage has integral end stacks and a ridge stack to the left of the porch, all featuring rendered bases and moulded capping with chimney pots. At the rear, there is a narrow lean-to and lower ranges. The interior was not inspected at the time of the survey.
Local climate
Bwthyn Rhosyn (Rose Cottage) sits in one of the wettest parts of the UK, with an average of 1,370 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.
It experiences an average of 20 freeze-thaw cycles a year, fewer than 78% of listed buildings. Of these, 9 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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