IIBritish Colliery Pumping Engine House On the site of the British Ironworks about 100m north east of the former British Ironworks office and foundry quadrangle.
IIEngine House attached to south side of threshing barn at Home Farm Home Farm is situated on the east side of the A 5122 between Llandygai and Bangor on the western side of Penrhyn Park directly opposite a large industrial estate; the boundary wall of the park screens