St Twrog's Chapel is a Grade II listed building in the local planning authority area, England. First listed on 7 March 1988. Chapel.

St Twrog's Chapel

WRENN ID
pitched-cinder-nightshade
Grade
II
Local Planning Authority
Constituency
Forest of Dean MP: Matt Bishop (Lab)
Country
England
Date first listed
7 March 1988
Type
Chapel
Address
St Twrog's Chapel, Chapel Rock, Tidenham, Forest of Dean
OS grid reference
ST 548 900
Coordinates
51.60719, -2.65347
Source
Historic England listing

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

Description

St Twrog's Chapel is a former chapel that now exists as a remnant in ruins. It consists of a fragment of rubble featuring one arched opening. The site is currently overshadowed by a nearby navigation light and is only accessible during low tide.

Local climate

St Twrog's Chapel receives an average of 830 mm of rain a year. This makes it wetter than 54% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 58% of listed buildings.

It experiences an average of 34 freeze-thaw cycles a year, fewer than 52% of listed buildings. Of these, 13 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
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  • 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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  9. Church Farmhouse Grade II 2.5 km
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