Underground Passage, Heather Park, Newry, Co Down is a Grade Record Only listed building in the Newry, Mourne and Down local planning authority area, Northern Ireland.

Underground Passage, Heather Park, Newry, Co Down

WRENN ID
mired-pillar-pigeon
Grade
Record Only
Local Planning Authority
Newry, Mourne and Down
Constituency
Newry and Armagh MP: Dáire Hughes (SF)
Country
Northern Ireland
Address
Underground Passage, Heather Park, Newry, Co Down, Ballinacraig
Irish grid reference
J 088 266
Coordinates
54.1775, -6.33387
Source
NI Environment Agency listing

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

Description

This is a brick-lined underground passage of local historical interest, likely dating from between 1780 and 1799. The passage opening is segmental and features rubble granite piers supporting a brick head. Six modern stone steps lead down to the opening, which is now infilled with fixed iron bars. Modern railings enclose the structure. According to local tradition, the passage was reputedly used to transport prisoners from a former gaol near the present Bank of Ireland to Gallows Hill (now Heather Park) for execution. The passage is located within the Ballinacraig townland and lies within a conservation area.

Local climate

Underground Passage, Heather Park, Newry, Co Down receives an average of 930 mm of rain a year. This makes it wetter than 71% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 56% 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 0.2°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
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