Icehouse in Great Frithsden Copse (National Trust) 110 Metres South West of Brick Wall Cottage at Ngr Tl 0056 1017 is a Grade II listed building in the Dacorum local planning authority area, England. First listed on 19 March 1987. Icehouse.
Icehouse in Great Frithsden Copse (National Trust) 110 Metres South West of Brick Wall Cottage at Ngr Tl 0056 1017
- WRENN ID
- rooted-hammer-tallow
- Grade
- II
- Local Planning Authority
- Dacorum
- Constituency
- Harpenden and Berkhamsted MP: Victoria Collins (LD)
- Country
- England
- Date first listed
- 19 March 1987
- Type
- Icehouse
- OS grid reference
- TL 005 101
- Coordinates
- 51.78118, -0.54367
- Source
- Historic England listing
Description
This icehouse, built in the 18th century for the Ashridge Estate, is located in Great Frithsden Copse, 110 meters southwest of Brick Wall Cottage. The structure is made of red brick, featuring many vitrified bricks. It is circular and set into the slope of the land, accessed by a short, low, segmental vaulted brick tunnel that is about 5 feet wide. The tunnel ends with a segmental arched entrance, which has tile springers and an iron gate. The icehouse has a diameter of approximately 15 feet and includes a deep conical well topped by a brick hemispherical dome, with the entrance at the level of the springing. The interior showcases English-bond brickwork, and numerous initials and dates are carved into the tunnel walls, including 'IPG 1778' on the north side. The entrance was rebuilt in the 20th century.
Local climate
Icehouse in Great Frithsden Copse (National Trust) 110 Metres South West of Brick Wall Cottage at Ngr Tl 0056 1017 sits in a drier-than-average part of the UK, with an average of 730 mm of rain a year. This makes it drier than 78% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 77% of listed buildings.
It experiences an average of 36 freeze-thaw cycles a year, more than 64% of listed buildings. Of these, 17 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
- 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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