Carwen is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 11 November 1987. Residential. 2 related planning applications.

Carwen

WRENN ID
shifting-floor-mint
Grade
II
Local Planning Authority
Cornwall
Constituency
North Cornwall MP: Ben Maguire (LD)
Country
England
Date first listed
11 November 1987
Type
Residential
Address
Carwen, Blisland, PL30 4JJ
OS grid reference
SX 110 738
Coordinates
50.534, -4.6678
Source
Historic England listing

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

Description

This is a house, built around the mid-18th century and extended in 1828, as indicated by a datestone. It is constructed of stone rubble with granite quoins. The roofs are slate, with gable ends to the main range, a gable end to the rear wing, and a hipped end where the rear wing meets the main range. Brick stacks are present, including a projecting stone rubble stack with a brick shaft to the rear wing.

The original plan likely consisted of a single room facing east, with an entrance to the left of centre and a heating stack on the right (north). In 1828, the house was extended, potentially as a separate dwelling, creating a double-depth plan. This extension was added to the left (south) end of the original house, forming an overall ‘T’ shape. A later range faces south, featuring a central entrance into a passage, two reception rooms on the front, heated by end stacks, a kitchen in the rear right (northeast), and a dairy in the rear left (northwest).

The 1828 range has a symmetrical three-window south front. Late 20th-century sash windows are set within dressed stone arches. The ground floor features two 16-pane sashes and a central 19th-century six-panel door. Above are three 16-pane sashes. A datestone to the right of centre reads 'RD 1828'. A lean-to addition projects from the right-hand gable end. The rear wing includes an early 19th-century two-light casement window.

The interior remains largely complete, with roughly moulded granite lintels above the fireplaces. A 19th-century dog-leg staircase features stick balusters.

Local climate

Carwen sits in a wetter-than-average part of the UK, with an average of 1,010 mm of rain a year. This makes it wetter than 81% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 88% of listed buildings.

It experiences an average of 13 freeze-thaw cycles a year, fewer than 88% of listed buildings. Of these, 6 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 — 1 transaction since 2023
  • Related listed building consents — 2 applications
  • 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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