At the site of Sunnyside Paper Mill (nprn 414447) the manager's house survives, originally named Sunnyside and later Traligael. There are two ponds in the garden and a few other remains of the mill.
Sources include: A Guide to the Industrial Archaeology of South East Wales, AIA, 2003
Note: The mill appears to be incorrectly named on the Ordnance Survey first edition 25in map of 1881 as "Fernside Mill (Paper, Disused)" B.A.Malaws, RCAHMW, 06 February 2013.