Concrete floors in UK homes often suffer from rising damp. The wet ground below stores water that easily moves upward without a barrier. A Damp Proof Membrane (DPM) is designed to block it, but if it’s damaged or missing, moisture finds its way in. That’s why rooms feel colder than they should. https://www.damp2drysolutions.co.uk/blogs/how-to-damp-proof-concrete-floors-uk-guide/