Ruined windmill, off Windmill Lane, Ballynahinch, Co. Down is a listed building in the Newry, Mourne and Down local planning authority area, Northern Ireland.

Ruined windmill, off Windmill Lane, Ballynahinch, Co. Down

WRENN ID
waning-hinge-onyx
Grade
Local Planning Authority
Newry, Mourne and Down
Constituency
Strangford MP: Jim Shannon (DUP)
Country
Northern Ireland
Irish grid reference
J 371 524
Coordinates
54.40227, -5.88924
Source
NI Environment Agency listing

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

Description

The site comprises a ruined windmill, dating to around 1773. Located on a hilltop south of Windmill Lane and east of Ballynahinch town centre, it is of industrial archaeological interest and stands within the townland of Ballynahinch. The windmill was advertised as "newly built" in October 1773 and is depicted on maps of 1777, 1782, and around 1790. It is a circular structure built of random fieldstone rubble, approximately 8 metres in diameter, with walls over a metre thick. The windmill is now roofless, with segmental headed door openings at ground level and four window openings – two at the first floor level and two smaller openings above that. The stonework at the top of the tower has been restored in recent years, while other sections of the rubble display signs of recent repair. A circular ditch surrounds the windmill. During the 'Battle of Ballynahinch' in 1798, the area around the windmill saw significant fighting, and one insurgent, Hugh McCullough, was hanged from its sails. The mill appears to have been abandoned by 1834, as it is shown on the Ordnance Survey map of that year but not mentioned in other related records. The site is in private ownership.

Local climate

Ruined windmill, off Windmill Lane, Ballynahinch, 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 65% of listed buildings.

It experiences an average of 13 freeze-thaw cycles a year, fewer than 87% of listed buildings. Of these, 7 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
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  • 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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Nearby listed buildings

  1. 2 Crossgar Road, Ballynahinch, Co. Down, BT24 8EN Grade B2 303 m
  2. Belle Vista, 27 Mourne View, Ballynahinch, Co. Down, BT24 8EL Grade B2 323 m
  3. War Memorial, Railway Street, Ballynahinch, Co. Down 344 m
  4. First Presbyterian Church, Windmill Street, Ballynahinch, BT24 8HB Grade B2 346 m
  5. Rockmore, 50 Main Street, Ballynahinch, County Down, BT24 8DN 400 m
  6. 22 Belfast Road, Ballynahinch, Co Down, BT24 8DZ 477 m
  7. 3 The Square, Ballynahinch, County Down, BT24 8AE Grade Record Only 482 m
  8. Old Court House, AKA Former market house, The Square, Ballynahinch, Co. Down, BT24 8AE Grade B1 521 m
  9. Myrtle Cottage, 20 Church Road, Ballynahinch, Co. Down, BT24 8LP Grade Record Only 544 m
  10. 22 Church Road, Ballynahinch, Co. Down, BT 24 8LP Grade Record Only 546 m