In the UK, 6.2 million1 homes, in the Netherlands, 2.65 million2 homes built before the 1920s have uninsulated suspended timber floors, and based on our preliminary research across the EU (such as Belgium, NorthFrance, North-Germany) it is anticipated that further ~10 millions of homes have similar floor construction due the same climatic and ground-water conditions, resulting in a 18.3 million ho...