Treviskey House is a Grade II listed building in the Cornwall local planning authority area, England. House.

Treviskey House

WRENN ID
brooding-bracket-marsh
Grade
II
Local Planning Authority
Cornwall
Constituency
Camborne and Redruth MP: Perran Moon (Lab)
Country
England
Type
House
Address
Treviskey House, Lanner
OS grid reference
SW 728 396
Coordinates
50.21343, -5.18505
Source
Historic England listing

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

Description

Treviskey House is a house built around 1830, featuring scored stucco painted white and a slate roof with brick chimneys. It has a square plan with a small service wing at the rear. The house is two storeys high and has three bays, standing on a low plinth. The east and north facades are symmetrical. The north front includes a coved niche in the center of the ground floor and unhorned 12-pane sashed windows on both floors, all with raised sills and plain reveals. It has a square hipped roof with projecting eaves and side-wall chimneys. The east front features a central entrance with a recessed door, similar sashed windows above and to the left, and blind windows to the right. At the rear, there is a large lean-to glazed conservatory with a glazed door featuring coloured margin panes and tall vertical glazing. Beyond the conservatory is a tall 12-pane stair window, followed by a lower two-storey one-bay service wing with a slate-hung side wall. Inside, there is a doglegged staircase with stick balusters and original marble fireplaces in both front rooms, with a white fireplace in the drawing room and a black one in the dining room.

Local climate

Treviskey House receives an average of 870 mm of rain a year. This makes it wetter than 62% 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 5 freeze-thaw cycles a year, fewer than 97% of listed buildings. Of these, 2 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 — 3 transactions since 1996
  • 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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