Trewardale is a Grade II* listed building in the Cornwall local planning authority area, England. First listed on 6 June 1969. A C18 House. 3 related planning applications.
Trewardale
- WRENN ID
- broken-parapet-hazel
- Grade
- II*
- Local Planning Authority
- Cornwall
- Constituency
- North Cornwall MP: Ben Maguire (LD)
- Country
- England
- Date first listed
- 6 June 1969
- Type
- House
- Address
- Trewardale, Blisland, PL30 4HS
- OS grid reference
- SX 103 716
- Coordinates
- 50.51348, -4.67638
- Source
- Historic England listing
Description
Trewardale is a house dating from 1773, with extensions built in 1839 and the later 19th century. It is constructed of stuccoed stone rubble with a rusticated granite string course, and has a slate roof with hipped ends, together with hipped ends to the projecting pavilion wings on either side. Rendered stacks rise from the roof.
The original central range of 1773 has a two-room and cross-passage plan, featuring a wide entrance hall and staircase projection to the rear. A kitchen range was added around the early 19th century, with a single-room layout and an axial stack shared with a room in the earlier range. A further kitchen range was added to the rear in the later 19th century, while a range added to the left side of the original house in the late 18th century was rebuilt in 1932, as was the dining room to the rear.
The front facade is imposing, featuring a seven-window central range flanked by two pavilions. The central range has a symmetrical seven-window front, with rusticated quoins, a string course, and a parapet. A 19th-century timber porch with a flat roof and moulded cornice is located centrally. The windows are predominantly early 19th-century twelve-pane hornless sashes with crown glass. A wing on the left was rebuilt in the 1930s, featuring a one-and-two window front with horned sashes. The right-hand wing, dating from the 19th century, has a two-window front with two twelve-pane sashes on the ground floor, a 20th-century PVC window and a three-over-six-pane sash on the first floor.
The interior is remarkably complete, retaining late 18th and mid-19th century fittings. The wide central entrance hall has a late 18th-century open-well staircase with a ramped and wreathed handrail and stick balusters. The kitchen on the front right has complete 19th-century fittings, including a range manufactured by Martyn of Wadebridge. A chamfered axial ceiling beam is likely reused from an earlier building. The left-hand room of the original range features an ornate plaster cornice with Prince of Wales feathers in the corners. Painted glass in a front window displays the Robyn Coat of Arms. The dining room was partly rebuilt in 1932, and incorporates ornate plasterwork.
Trewardale was formerly the seat of the Robyn family. It was purchased by William Browne, who married Honour Spry and settled there in 1680, as evidenced by a datestone in a gateway in the garden to the west.
Local climate
Trewardale sits in a wetter-than-average part of the UK, with an average of 1,010 mm of rain a year. This makes it wetter than 81% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 88% of listed buildings.
It experiences an average of 13 freeze-thaw cycles a year, fewer than 88% of listed buildings. Of these, 6 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.
- No sale records on file
- Related listed building consents — 3 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
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
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- Carriage House and Stables to North of Trewardale
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