Grotto on South Bank of Hart Burn is a Grade II listed building in the Northumberland local planning authority area, England. First listed on 6 May 1952. Grotto. 1 related planning application.

Grotto on South Bank of Hart Burn

WRENN ID
graven-attic-falcon
Grade
II
Local Planning Authority
Northumberland
Constituency
Hexham MP: Joe Morris (Lab)
Country
England
Date first listed
6 May 1952
Type
Grotto
Address
Grotto on South Bank of Hart Burn, Hartburn, NE61 4JB
OS grid reference
NZ 088 865
Coordinates
55.17302, -1.86283
Source
Historic England listing

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

Description

The Grotto on the south bank of Hart Burn is a structure dating from around 1760, attributed to Dr. Sharpe. It features a tall circular chamber carved into a sandstone cliff, with twin domed niches above. Inside the chamber, the walls are made of coursed, roughly-squared stone. The rear wall has a chamfered pointed arch with two slits above it, while the left side has a similar unchamfered arch. The right side includes a fireplace. There is also a low slab-roofed tunnel, which is now partially collapsed, that runs from the Grotto to the bank of the stream. This tunnel is believed to have been built to provide bathers with a covered access to the water.

Local climate

Grotto on South Bank of Hart Burn receives an average of 830 mm of rain a year. This makes it wetter than 55% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 99% of listed buildings.

It experiences an average of 42 freeze-thaw cycles a year, more than 80% of listed buildings. Of these, 26 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 3 transactions since 1997
  • 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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