Penpont Mill is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 23 November 1988. House. 1 related planning application.

Penpont Mill

WRENN ID
night-entrance-khaki
Grade
II
Local Planning Authority
Cornwall
Constituency
North Cornwall MP: Ben Maguire (LD)
Country
England
Date first listed
23 November 1988
Type
House
Address
Penpont Mill, Altarnun, PL15 7SJ
OS grid reference
SX 223 812
Coordinates
50.60353, -4.51132
Source
Historic England listing

Also on this page: sale history · EPC · related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Penpont Mill is a house dating probably from the 17th century. It is built of rendered and painted stone rubble, with a rag slate roof that is half-hipped at the left end and gabled at the right. There are brick shafts to an axial stack to the left of the centre and to an end stack on the right. The original plan suggests a three-room layout with a cross or through passage, with the entrance situated to the right of the centre. A room on the right-hand side was originally heated by the end stack, while the room to the left of the passage was heated by an axial stack, and an inner room beyond to the left remains unheated. The exterior features an asymmetrical three-window front. A 20th-century door is located to the right of the centre, flanked by two 2-light casements. The first floor has a 19th-century 6-pane sash window and two further 19th-century 12-pane sash windows. Internally, the building was not inspected. The house is notable as the birthplace of Nevil Northey Burnard (1818-1878), a sculptor.

Local climate

Penpont Mill 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.
  • Sale history — 5 transactions since 1996
  • 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
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  2. K6 Telephone Kiosk to South West of Post Office Grade II 23 m
  3. House Directly to Front of Merlin's Cottage Grade II 27 m
  4. Altarnun Post Office and Corner Cottage Grade II 38 m
  5. Homeleigh Grade II 40 m
  6. Mary Anns Grade II 45 m
  7. Cissys Grade II 53 m
  8. Gate and Gate-Piers at East Entrance to Penpont House Grade II 71 m
  9. Penpont House Grade II 73 m
  10. Figsbury Grade II 75 m