Home / What's the problem? What's the problem? What's the problem? Where's the problem? Damp Cracks Noise Energy and heating Pipes and leaks Where is the damp showing? Top flat Top flat - modern block Middle flat Middle flat - modern block Ground/basement flat Any flat - above window Any flat - in the middle of an outside wall Any flat - leaks from flats above Tide lines on plasterwork, damp behind retaining wall, DPC problems Below ground level Plant growth can block underfloor vents and cause damp Below ground level