Grotto in Garden of and to West of Denton House is a Grade II listed building in the South Norfolk local planning authority area, England. First listed on 7 December 1959. Grotto.
Grotto in Garden of and to West of Denton House
- WRENN ID
- lesser-keystone-khaki
- Grade
- II
- Local Planning Authority
- South Norfolk
- Constituency
- Waveney Valley MP: Adrian Ramsay (Green)
- Country
- England
- Date first listed
- 7 December 1959
- Type
- Grotto
- Address
- Grotto in Garden of and to West of Denton House, Denton Hill
- OS grid reference
- TM 284 869
- Coordinates
- 52.43296, 1.35855
- Source
- Historic England listing
Description
The grotto, dated 1770, is located in the garden to the west of Denton House. It features a front wall made of flint with stone dressings. The facade includes a low pedimented gable flanked by large turrets and three pointed arches with key blocks. Inside, an arch leads to a small circular chamber, which may have been added later. This chamber is attributed to Stackhouse Thompson, who is believed to have collected shells and coral from the Great Barrier Reef. It has a colonnade that supports a dome decorated with shells, fossils, coral, polished stones, and mirrors, along with a lantern at the top and niches in the walls. The rear of the grotto has red brick exterior walls.
Local climate
Grotto in Garden of and to West of Denton House sits in a drier-than-average part of the UK, with an average of 710 mm of rain a year. This makes it drier than 88% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 69% of listed buildings.
It experiences an average of 23 freeze-thaw cycles a year, fewer than 76% of listed buildings. Of these, 12 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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- No EPC on record for this property
- No sale records on file
- No related consent applications matched
- 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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