1925 – Annaghkilly Railway Viaduct, Co. Monaghan Architect: F.A. Champion Only the gaunt steel supports of this railway viaduct now stand – both the track bed and the railway embankments having been cleared since the line closed.
1925 – Engine Roundhouse, Portadown, Co. Armagh Architect: F.A. Champion One of two roundhouses to the same design on the Great Northern Railway system – the other at Clones still stands today.
1926 – Former Great Northern Railway Engine Shed, Clones, Co. Monaghan Architect: F.A. Champion According to family lore, a member of the local Madden family who were major shareholders in the Great Northern Railway visited Milan.