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A guide to Damp and Condensation

What causes condensation?

Condensation usually occurs in winter because the building is cold and windows are opened less so moist air cannot escape.

Does it have a 'tidemark' effect? If yes, this is not condensation, it is damp. It could be caused by rain seeping through windows, or rising dampness due to a defective or missing damp proof course. Please contact us so we can investigate the problem.