Ice House on Dunmaul Promontory Fort, St MacNissi’s College, 25 Tower Road, Carnlough, Ballymena, Co Antrim is a listed building in the Mid and East Antrim local planning authority area, Northern Ireland.
Ice House on Dunmaul Promontory Fort, St MacNissi’s College, 25 Tower Road, Carnlough, Ballymena, Co Antrim
- WRENN ID
- shadowed-courtyard-tide
- Grade
- Local Planning Authority
- Mid and East Antrim
- Constituency
- East Antrim MP: Sammy Wilson (DUP)
- Country
- Northern Ireland
- Irish grid reference
- D 300 239
- Coordinates
- 55.04618, -5.96612
- Source
- NI Environment Agency listing
Description
This is an ice house built between 1840 and 1859 of rubble stone and brick, constructed on a rectangular plan with a vaulted roof and a single small rectangular entrance facing approximately north-east. The structure is excavated into the side of a mound on the north side of an Iron Age promontory fort. The top of the ice house is mostly over-grassed. The interior is brick-lined and has a steep drop into the chamber beyond the entrance.
The ice house was designed by Charles Campbell of Newtownards and built for Frances Anne Vane, Marchioness of Londonderry, to serve her residence, Garron Tower, which was also under construction at the time. Its unusual location is associated with the 'castle-style' house. It has industrial archaeological interest and is also considered a monument. The structure is situated in a rural and scenic area within the grounds of a school adjacent to playing fields, overlooking the Antrim Coast Road.
Local climate
Ice House on Dunmaul Promontory Fort, St MacNissi’s College, 25 Tower Road, Carnlough, Ballymena, Co Antrim sits in one of the wettest parts of the UK, with an average of 1,200 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 88% of listed buildings.
It experiences an average of 8 freeze-thaw cycles a year, fewer than 93% of listed buildings. Of these, 6 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°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
- No flood data for this area
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
Nearby listed buildings
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- 91 Garron Road, Carnlough, Ballymena, Co Antrimc
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- 85 Garron Road, Carnlough, Ballymena, Co Antrim, BT44 0JU
- St Joseph's Building, St MacNissi’s College, 25 Tower Road, Carnlough, Ballymena, Co Antrim, BT44 0JW
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- St MacNissi’s College Chapel, 25 Tower Road, Carnlough, Ballymena, Co Antrim
- St MacNissi's College, 25 Tower Road, Carnlough, Ballymena, Co Antrim, BT44 0JW