Tretheague Mill is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 17 June 1988. Miller's house. 1 related planning application.

Tretheague Mill

WRENN ID
sharp-chancel-elm
Grade
II
Local Planning Authority
Cornwall
Constituency
Camborne and Redruth MP: Perran Moon (Lab)
Country
England
Date first listed
17 June 1988
Type
Miller's house
Address
Tretheague Mill, Stithians, TR3 7AF
OS grid reference
SW 726 358
Coordinates
50.17912, -5.18533
Source
Historic England listing

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

Description

Tretheague Mill, probably dating to the late 18th century with extensions circa the early 19th century, is a miller’s house constructed of granite rubble. The front has a scantle slate roof, while the rear has a corrugated asbestos roof that slopes downwards. The right-hand gable end features a brick chimney, and the left end has a hipped roof. Cast-iron ogee gutters are present. The building comprises a three-room main range with smaller service rooms at the rear. The original double-depth miller’s house is located on the right, with a kitchen/living room on the right and a parlour on the left. An extension on the left includes a fireplace that once housed a copper, suggesting a former use as a washhouse, and may have previously contained mill machinery. The southeast front is approximately three windows wide. The original front has a near-symmetrical two-window facade with a 19th-century four-panel door in the centre, and a more irregular single-window front belonging to the early 19th-century extension on the left. A ledged door is present at the other doorway. Windows are late 19th-century six-pane horned sashes, or later copies, with one two-light casement at the far left. The interior remains fairly unaltered, retaining much of its 19th-century structure and joinery.

Local climate

Tretheague Mill 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 — 1 transaction since 2018
  • 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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Nearby listed buildings

  1. Barn Immediately North West of Tretheague Farmhouse Grade II 346 m
  2. Tretheague House Including Ice House, Well, Closet and Walled Garden at Rear Grade II* 378 m
  3. Milestone Circa 40m South-West of No. 7 Southlea Terrace Grade II 681 m
  4. Guide Post at Sw735366 Grade II 1.2 km
  5. Hendra Farmhouse Grade II 1.2 km
  6. Crellow House Grade II 1.2 km
  7. Tregonning Mill Grade II 1.2 km
  8. Hendra House Grade II 1.2 km
  9. Stithians Methodist Church (Formerly Penmennor Methodist Church) Grade II* 1.2 km
  10. The Old Forge Grade II 1.2 km