Bowden Derra is a Grade II listed building in the Cornwall local planning authority area, England. First listed on 10 May 1989. House.

Bowden Derra

WRENN ID
final-ashlar-thyme
Grade
II
Local Planning Authority
Cornwall
Constituency
North Cornwall MP: Ben Maguire (LD)
Country
England
Date first listed
10 May 1989
Type
House
Address
Bowden Derra, Lewannick
OS grid reference
SX 257 818
Coordinates
50.60995, -4.46389
Source
Historic England listing

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

Description

Bowden Derra is a house built in 1866, now used as a home for people with learning disabilities. It is constructed from snecked Polyphant and local stone, with a steeply pitched slate roof and gable ends. The building has lateral, axial, and end stacks of snecked stone.

The house has an overall 'L' shaped plan. The main entrance is located to the left of the centre of the front elevation and is accessed through a single-storey porch with a four-centred arch and datestone in the spandrels. A projecting stack is placed to the left of the porch, and a three-light mullion and transom window illuminates the entrance hall to the right. Further windows to the front feature four-centred relieving arches, mullions, and transoms. A wing to the front right contains a second entrance and stair hall, with service rooms located to the right of that. A parallel range to the rear provides principal rooms overlooking the garden.

The architectural style is High Victorian Gothic. The front elevation is asymmetrical, and the wing to the front right features an asymmetrically placed projecting stack and a bellcote on the ridge. The garden front is more regular, with gable ends to cross wings set slightly forward. The garden itself has steep 19th-century terraces, partially rebuilt in the 20th century.

Inside, original carpentry and joinery remain, including the stair, doors, doorframes, chamfered two-centred Polyphant stone arches in the corridors, and some chimney-pieces. The interior was only partially inspected.

Local climate

Bowden Derra 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 86% of listed buildings.

It experiences an average of 16 freeze-thaw cycles a year, fewer than 84% of listed buildings. Of these, 7 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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