From the Scottish Government’s Reinforced Autoclaved Aerated Concrete (RAAC): Cross Sector Working Group minutes – May 2024, published today: Given the number of social housing properties across Scotland (c625,000) the number found to contain RAAC was considered to be low 1 How many RAAC properties? As of March 29, 2024, there are 1,994 homes in Scotland that have been confirmed to contain reinforced autoclaved aerated concrete (RAAC). 8,311 homes are currently under investigation. 2 So, between 0.32% and 1.6% of Scotland’s social housing has RAAC in it. Sources: