Chapel of St George and St Thomas A Becket is a Grade II* listed building in the Cornwall local planning authority area, England. First listed on 23 January 1968. A C15 Chapel.

Chapel of St George and St Thomas A Becket

WRENN ID
tall-pedestal-briar
Grade
II*
Local Planning Authority
Cornwall
Constituency
South East Cornwall MP: Anna Gelderd (Lab)
Country
England
Date first listed
23 January 1968
Type
Chapel
Address
Chapel of St George and St Thomas A Becket, Calstock
OS grid reference
SX 425 685
Coordinates
50.49554, -4.22166
Source
Historic England listing

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

Description

The Chapel of St George and St Thomas a Becket is a Grade II* chapel built around 1490 by Sir Richard Edgcumbe to commemorate his escape from Sir Henry Trenowth of Bodrugan in 1483. It underwent restoration in the 20th century. The chapel is constructed from slatestone rubble with granite dressings and has a 20th-century slate roof featuring ridge tiles and gable ends, which includes some reused hand-made crested ridge tiles.

The chapel has a small rectangular single cell layout, with the entrance located at the front gable end and the ritual east at the rear gable end. It is situated on the edge of a cliff overlooking the River Tamar. The front gable end features a 3-centred arched granite doorway with roll-mouldings and recessed spandrels, and a 19th-century door with cover strips. Each side has a 2-light granite window with chamfered 3-centred arches, and lattice glazing pintles that remain from shutters. The rear gable end includes a 3-light granite window that is hollow-chamfered, with 4-centred arched lights adorned with carved leaves in the spandrels, semi-circular tracery above, and a 4-centred arch with a mutilated hood mould and pintles from shutters. The interior is not accessible.

Local climate

Chapel of St George and St Thomas A Becket sits in a wetter-than-average part of the UK, with an average of 1,000 mm of rain a year. This makes it wetter than 80% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 81% of listed buildings.

It experiences an average of 17 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.

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