Tredown Farmhouse is a Grade II* listed building in the Cornwall local planning authority area, England. First listed on 17 October 1983. A Medieval to Post-medieval Farmhouse. 1 related planning application.

Tredown Farmhouse

WRENN ID
seventh-hammer-moth
Grade
II*
Local Planning Authority
Cornwall
Constituency
North Cornwall MP: Ben Maguire (LD)
Country
England
Date first listed
17 October 1983
Type
Farmhouse
Period
Medieval to Post-medieval
Address
Tredown Farmhouse, South Petherwin, PL15 7JJ
OS grid reference
SX 302 826
Coordinates
50.61846, -4.40059
Source
Historic England listing

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

Description

Tredown Farmhouse is a house, originally a farmhouse, dating to around the late 15th or early 16th century. It was remodelled in the 17th century, with 18th and 19th century extensions added later. The building is constructed of stone rubble with a roughened plaster finish to the west front, and has a dry rag slate roof with gabled ends and red clay ridge tiles. A stack is positioned on the left-hand front corner, originally a garderobe, with a later stone rubble shaft. A rear lateral stack also has a stone rubble shaft. The original layout comprised a two-room and through-passage plan, with a single-room plan wing behind the lower left end. A single-storey outshut on the lower left end is likely from the 19th century.

The west front is asymmetrical and has three windows. The upper-left windows are 20th-century 3-light casements with glazing bars. The centre first-floor windows are 19th-century 2-light casements with glazing bars. The ground-floor window to the right is a 20th-century 20-pane sash. The central doorway has a chamfered granite 4-centred arch frame, with a 20th-century plank door. The rear elevation features a doorway to the right of centre, with a chamfered granite 4-centred arch frame and a 2-light chamfered granite window above. A projecting stair turret stands to the right of the doorway, with a small 1-light granite window and a short gabled wing on the extreme right. A projecting lateral stack is located to the left centre, and a further projection on the extreme left hand end has a hollow-chamfered ogee arch window. The north gable has a projecting garderobe on the right corner (now a stack), with a small slit window, a 2-light granite window to the left, and a later outshut below. The south gable end has a granite 2-light window on the ground floor and a 20th-century 12-pane sash window above.

Inside, the hall contains a large, chamfered granite lateral fireplace with a renewed cloam over, a renewed ceiling, and a doorway to a closet with a heavy, chamfered wooden frame, its arched lintel damaged. The closet has scratch-moulded joists. A plank and muntin screen separates the hall and passage, with bead-moulded muntins and a chamfered head beam with ogee stops. Scratch-moulded joists are also visible in the passage. A solid stone wall within the passage has a heavy tube doorframe with a damaged arched lintel. The kitchen has roughly chamfered cross-beams with ogee step stops and an end-wall fireplace with its timber lintel reversed. The fireplace contains two ovens, one with a finely made granite dome. A stone newel staircase has large timber treads. A chamber above the lower end has a chamfered granite fireplace and heavy wooden shelves in niches by the window. The hall chamber has a gable-end fireplace of dressed stone with a curved back and an unchamfered timber lintel. The roof structure over the upper end consists of straight principal rafters resting on the wall tops (one slightly curved at the foot), mortice and tenoned apex joints and similarly jointed collars. Some original purlins are trenched into the backs of the principals. The two bays over the hearth are smoke-blackened, while the other two trusses are clean. The roof structure over the lower end of the house was completely replaced.

Local climate

Tredown Farmhouse sits in a wetter-than-average part of the UK, with an average of 1,030 mm of rain a year. This makes it wetter than 83% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 84% of listed buildings.

It experiences an average of 18 freeze-thaw cycles a year, fewer than 82% of listed buildings. Of these, 8 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
  • No sale records on file
  • 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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