Portmore Bridge, Portmore, Portmore TD, Ballinderry, Co. Down is a Grade D1 Record Only listed building in the Lisburn and Castlereagh local planning authority area, Northern Ireland.

Portmore Bridge, Portmore, Portmore TD, Ballinderry, Co. Down

WRENN ID
graven-rafter-ochre
Grade
D1 Record Only
Local Planning Authority
Lisburn and Castlereagh
Constituency
Lagan Valley MP: Sorcha Eastwood (APNI)
Country
Northern Ireland
Irish grid reference
J 122 683
Coordinates
54.55081, -6.26639
Source
NI Environment Agency listing

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

Description

This is a single-span stone bridge located in Portmore, Ballinderry, County Down. It was surveyed during the First Survey but was not listed. A partial record was taken during the Second Survey, as it was deemed not worthy of a full survey. The bridge continues in its original use. It is not a listed building.

Local climate

Portmore Bridge, Portmore, Portmore TD, Ballinderry, 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 lower than that of 60% of listed buildings.

It experiences an average of 14 freeze-thaw cycles a year, fewer than 86% of listed buildings. Of these, 8 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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