Peter Barber
Hi Elaine I think from your description of the problem you will need to post the job under Dampness Specialists. If there has been a water ingress from externally, or indeed internally, then there may be a fungal infection that you need to deal with. also it is most important to diagnose the cause of the dampness as otherwise it could re-occur if not diagnosed correctly. Best Wishes Peter Barber CSSW.,CRDS. Structural Waterproofing Surveyor