Blackhall Manor is a tower house near Paisley. The first house on the site was built by the Norman knight Walter fitz Alan in about 1160. In 1396 Robert III of Scotland, King of Scots, gave the property to Sir John Stewart, his natural son. According to a record book now lost, barony courts were regularly held there in the sixteenth century. In 1667 Archibald Stewart was made a Baronet of Nova Scotia by Charles II, and was the first baronet of Greenock and Blackhall.
By the 1820s Blackhall had become a farm-house; in the 1840s the farmer built a new house nearby, and the roof of the old one was taken off to save on tax. The structure was used as a store-house, a cattle byre and a coal shed. The Shaw-Stewart family donated it to the Burgh of Paisley in 1940. In 1978 it was judged to have become so dangerous that demolition was proposed. It was completely rebuilt and restored in 1982–1983.
No information about the evolution of the tower over the centuries is available, but the presence of a 14th-century fireplace jamb, the different style of windows in the staircase tower from the rest of the building and its relatively poor bonding with the main block suggest that the tower house was originally built as a hall house and enlarged in the 16th century with the addition of another storey and attic, stair tower, larger windows and a new ground-floor entrance. More windows were added in the late 16th or early 17th centuries.
References:The Broch of Clickimin is a large and well preserved, though somewhat restored broch near Lerwick. Originally built on an island in Clickimin Loch (now increased in size by silting and drainage), it was approached by a stone causeway. The water-level in the loch was reduced in 1874, leaving the broch high and dry. The broch is situated within a walled enclosure and, unusually for brochs, features a large 'blockhouse' between the opening in the enclosure and the broch itself. Another unusual feature is a stone slab featuring sculptured footprints, located in the causeway which approached the site. Situated across the loch is the Clickimin Leisure Centre.