Clematis Cottage is a Grade II* listed building in the South Gloucestershire local planning authority area, England. A C15 House.
Clematis Cottage
- WRENN ID
- over-rafter-vale
- Grade
- II*
- Local Planning Authority
- South Gloucestershire
- Constituency
- Thornbury and Yate MP: Claire Young (LD)
- Country
- England
- Type
- House
- Address
- Clematis Cottage, 15, Castle Street, Thornbury
- OS grid reference
- ST 635 903
- Coordinates
- 51.61041, -2.5271
- Source
- Historic England listing
Description
Clematis Cottage is a building with origins dating back to the 15th century, which underwent alterations in the 16th and 17th centuries, and further changes and extensions in the 18th century. It was once part of a long property that included the adjoining No 17. The exterior is rendered and features a double Roman tiled roof. The cottage has two storeys and three windows, which include glazing bar sashes in exposed boxes, along with one casement window to the right in the lower section. On the ground floor, there is a 16-pane sash window and a central 19th-century bay window with a six-panel door and a lattice porch.
Inside, the roof consists of five collar beam trusses, three of which have curved queen posts and curved windbraces. The ground floor showcases chamfered and moulded beams, with one beam above the door having lead stairs attached. The hall features small square panels from the late 16th or early 17th century. The cottage is reputed to have been an ecclesiastical establishment.
Local climate
Clematis Cottage receives an average of 820 mm of rain a year. This makes it wetter than 51% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 55% of listed buildings.
It experiences an average of 33 freeze-thaw cycles a year, fewer than 54% of listed buildings. Of these, 14 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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