Trenow Cottage is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 9 October 1987. House, formerly a farmhouse.

Trenow Cottage

WRENN ID
inner-plaster-laurel
Grade
II
Local Planning Authority
Cornwall
Constituency
St Ives MP: Andrew George (LD)
Country
England
Date first listed
9 October 1987
Type
House, formerly a farmhouse
Address
Trenow Cottage, Trevenner Square, Marazion
OS grid reference
SW 525 308
Coordinates
50.12564, -5.46311
Source
Historic England listing

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

Description

Trenow Cottage is a house that was originally a farmhouse, dating from the late 17th century and remodelled in the mid 18th century. The front is pebbledashed, while the rest is painted rubble. The front roof is covered with grouted scantle slate, and the rear has corrugated asbestos that sweeps lower over an 18th-century outshut. There are brick chimneys at the gable ends and cast-iron ogee gutters. The building has a double depth plan with a parlour on the left and a larger hall/kitchen on the right, connected by a passage that leads to a central stair at the rear, flanked by two shallow service rooms within the outshut.

The exterior is two storeys high with a three-window south front and a doorway that is central to the symmetrical arrangement of windows, which are grouped towards the left. The door is a 20th-century ledged type, and the windows are four-pane horned sashes.

Inside, the cottage remains largely unaltered since the 18th century, featuring most of its original carpentry and joinery from that period, including two-panel doors, ovolo-moulded beams, muntin and plank partitions, and a pegged roof structure. The slate-flagged kitchen contains a large original fireplace with a chamfered and stopped oak lintel, and a large oven with a corbelled domed roof, which has been partly rebuilt at the front to create a semi-circular niche, likely in the 18th century. There is also a probably resited original late 17th-century two-panel door with wide muntins and rails leading from the right-hand chamber to the rear outshut.

Local climate

Trenow Cottage receives an average of 910 mm of rain a year. This makes it wetter than 68% 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 4 freeze-thaw cycles a year, fewer than 98% 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 0.3°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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  • No EPC on record for this property
  • Sale history — 1 transaction since 2016
  • 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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  10. Tregarthen Cottage Grade II 355 m