St Andrew's Well, Belfast Road, Ballynahinch, Co Down is a listed building in the Lisburn and Castlereagh local planning authority area, Northern Ireland.
St Andrew's Well, Belfast Road, Ballynahinch, Co Down
- WRENN ID
- ragged-bonework-oak
- Grade
- Local Planning Authority
- Lisburn and Castlereagh
- Constituency
- Lagan Valley MP: Sorcha Eastwood (APNI)
- Country
- Northern Ireland
- Irish grid reference
- J 358 595
- Coordinates
- 54.46634, -5.90507
- Source
- NI Environment Agency listing
Description
St Andrew's Well, situated on the east side of the Belfast to Ballynahinch road, just north of St Andrew's Church, is a utilitarian reinforced concrete structure associated with Belfast’s initial water supply from the Mournes. Constructed by the Belfast City & District Water Commissioners in 1901, it provides access to a valve within the Mourne conduit, facilitating the drawing of water to a nearby covered well and allowing for water pressure equalization and aeration. The structure is square in plan with a flat roof and a metal entrance door at the north end of the east wall. It features openings with metal bars on both east walls, along with a small ventilator in each of the remaining walls. While similar structures exist along the pipeline, most function solely as air wells. The well is of industrial archaeological interest due to its connection to the early Belfast water system.
Local climate
St Andrew's Well, Belfast Road, Ballynahinch, Co Down sits in a wetter-than-average part of the UK, with an average of 980 mm of rain a year. This makes it wetter than 78% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 75% of listed buildings.
It experiences an average of 9 freeze-thaw cycles a year, fewer than 92% of listed buildings. Of these, 5 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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- Carricknaveagh Primary School, 42 Carricknaveagh Road, Temple, Carryduff, County Down, BT27 6UB
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- Second Boardmills Presbyterian Church, Creevy Road, Creevy, Lisburn, County Down, **See General Comments*
- 23 Knockany Road, Ballycarngannon, Lisburn, County Down, BT27 6YB
- Well Attendant's House, 17 Brae Road, Ballynahinch