Beechgrove is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 23 November 1988. A C17 House. 1 related planning application.
Beechgrove
- WRENN ID
- sleeping-chimney-vale
- Grade
- II
- Local Planning Authority
- Cornwall
- Constituency
- North Cornwall MP: Ben Maguire (LD)
- Country
- England
- Date first listed
- 23 November 1988
- Type
- House
- Address
- Beechgrove, Altarnun, PL15 7RW
- OS grid reference
- SX 234 812
- Coordinates
- 50.6038, -4.4966
- Source
- Historic England listing
Description
Beechgrove is a house with an attached outbuilding, likely originating in the 17th century and extended in the 18th century and in 1891 by Roger Mutton, as indicated by a datestone. The building is constructed of stone rubble with high-quality laced masonry on the right-hand gable end and the right side of the rear wall of the earlier domestic range. The front is partly rendered, and the roof is slate with gable ends. The end stacks are made of stone rubble and feature moulded strings.
The house has undergone alterations and extensions over time. The central range, dating from the 17th century, may have been part of a larger house that was demolished in the 18th century, or it could have originally been a one-room plan heated by an end stack. The left room was likely added in the 18th century, resulting in a two-room and cross passage plan. The eaves appear to have been raised shortly after this extension. In 1891, a small outbuilding was added to the right end.
The exterior features two storeys and an asymmetrical three-window front. There is a 20th-century porch near the centre, flanked by a 20th-century window to the left and a two-light casement to the right. The first floor has a 20th-century window to the left and two-light casements in the centre and to the right. The attached two-storey outbuilding on the right has a door to the left, a window to the right, and a loft door on the first floor. The datestone reads RM 1891.
Inside, the left room has a hollow chamfered granite lintel over the fireplace, which appears to have been reset. The right room features a fireplace with ashlar stone jambs but has a renewed timber lintel. The floor joists date from the 19th and 20th centuries.
Local climate
Beechgrove sits in a wetter-than-average part of the UK, with an average of 1,030 mm of rain a year. This makes it wetter than 83% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 86% of listed buildings.
It experiences an average of 16 freeze-thaw cycles a year, fewer than 84% of listed buildings. Of these, 7 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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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- No sale records on file
- Related listed building consents — 1 application
- 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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