But first, let me tell you a little “how not to treat damp” story….. A few years ago I issued a £5100 invoice to a client of mine for a leaking gutter. Shocking huh! £5,000 and before you rush off and tell everyone I must be one of those cowboy builders you hear about, let me explain how ignoring damp cost him so dearly. My client had lived in his lovely old period cottage for many years but slowly the ingress of water turned his “shabby chic” cottage into, well, …