Tregea Manor is a Grade II listed building in the Cornwall local planning authority area, England. House. 2 related planning applications.

Tregea Manor

WRENN ID
worn-vestry-rush
Grade
II
Local Planning Authority
Cornwall
Constituency
Camborne and Redruth MP: Perran Moon (Lab)
Country
England
Type
House
Address
Tregea Manor, Tregea Hill, Portreath, TR16 4PY
OS grid reference
SW 654 447
Coordinates
50.25585, -5.29141
Source
Historic England listing

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

Description

Tregea Manor is a house dating from the early 19th century, which has been altered over time. The building is rendered, likely on a base of killas rubble, and features some granite dressings, topped with a slurried slate roof. It has a square plan with various additions at the rear and stands two storeys tall. The corners are accentuated by channelled clasping pilasters.

The south facade has two bays and includes a coved niche at the center of the ground floor, flanked by round-headed French windows that have glazing bars and fanlights with Gothick two-centred arched tracery. Above these, there are two 2-light top-hung casements, also with glazing bars. The roof is pyramidal with a shallow pitch, prominent eaves, and tall chimneys on the sides and rear. Notably, there is a low square lantern at the apex, which suggests it was used for functional purposes, possibly as a lookout to the sea rather than for leisure.

On the right-hand return wall, there is a round-headed doorway in the center, a flat-roofed rectangular bay window to the right featuring a 12-pane sash window at the front and narrow 4-pane sashes on the sides, along with a 12-pane sashed window above. Inside, the doors have reeded architraves, and there is a dog-legged staircase with an open string, stick balusters, and a wreathed curtail.

Local climate

Tregea Manor receives an average of 880 mm of rain a year. This makes it wetter than 65% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% 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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  • No EPC on record for this property
  • Sale history — 2 transactions since 1997
  • 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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