Merther Uny Farmhouse is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 17 June 1988. Farmhouse.

Merther Uny Farmhouse

WRENN ID
vacant-keep-foxglove
Grade
II
Local Planning Authority
Cornwall
Constituency
St Ives MP: Andrew George (LD)
Country
England
Date first listed
17 June 1988
Type
Farmhouse
Address
Merther Uny Farmhouse, Gweek
OS grid reference
SW 702 293
Coordinates
50.1197, -5.21556
Source
Historic England listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Merther Uny Farmhouse is a farmhouse that was formerly two houses, dating from the 18th century and incorporating some 17th century masonry, possibly from an earlier house on the same site. It is constructed of granite rubble with some granite dressings and has asbestos slate roofs that slope down at the rear. The chimneys are made of granite rubble and dressed granite, located over the gable ends and the cross party wall.

The building has a double depth plan with service rooms and stairs in a later rear outshut. Each of the former houses, now combined into one, originally had two front rooms with cross passages between them. It is difficult to determine which house is older, as both may be on older sites and have undergone successive rebuilding, with some walls possibly dating back to the 17th century.

The exterior features two storeys and an overall four-window front facing southeast. Each former house has a nearly symmetrical two-window front with an approximately central doorway, likely 18th century openings. The doors are from the 20th century, while the windows are late 19th or 20th century four-pane horned sashes. The right-hand house has first floor windows that are grouped closer together. The right-hand ground floor opening was originally larger and features a 17th century chamfered lintel and chamfered jamb on the right. The other ground floor opening of this house was also originally larger. The left-hand house has a 17th century chamfered lintel over the doorway.

Inside, apart from the large fireplaces, at least one domed granite oven, and some 18th century moulded ceiling beams, most of the carpentry and joinery is from the 19th or 20th century. The roof structure has not been inspected.

Local climate

Merther Uny Farmhouse receives an average of 870 mm of rain a year. This makes it wetter than 63% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 91% of listed buildings.

It experiences an average of 3 freeze-thaw cycles a year, fewer than 99% of listed buildings. Of these, 1 follows at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°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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  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • Radon risk assessment
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  1. Building Immediately North West of Merther Uny House Grade II 48 m
  2. Merther Uny House Grade II 74 m
  3. Merther Uny Chapel (Ancient Monument No 162) Grade II 113 m
  4. Cross at SW 701291 Grade II 236 m
  5. Merther Uny Mill Grade II 255 m
  6. Merther Uny Millhouse Grade II 265 m
  7. The Farmhouse, Polanguy Grade II 368 m
  8. Polglase Farmhouse Grade II 516 m
  9. Tressidder Grade II 655 m
  10. Ninnis Farmhouse Including Front Garden Walls Grade II 659 m