Backlog maintenance rose by more than a tenth to £898 million between 2014 and 2015, NHS Scotland’s annual state of assets and facilities report said.
The proportion of work deemed high-risk or significant was 44 per cent with Tories now identifying the buildings in need of urgent repair.
Edinburgh’s Royal Victoria, the Astley Ainslie, and current Sick Kids hospital all had high-risk issues, according to freedom of information responses obtained by the party.
St John’s hospital in Livingston also has high-risk issues with roofs and windows, documents show.
Elsewhere, fire code and health and safety issues have been identified at Aberdeen Maternity Hospital.
NHS Borders reported problems with theatres and other equipment at the Borders General Hospital in Melrose, Roxburghshire.
Meanwhile, boilers at Stratheden Hospital in Cupar, Fife, were also labelled a high-risk.
Water systems at Crosshouse Hospital in Kilmarnock, Ayrshire, fell into the same category.