Common signs include damp patches on walls or ceilings, mould growth, peeling paint, and a musty odour. If you notice any of these, address the issue immediately to prevent further structural damage.

Wall seepage can be fixed by applying water-repellent coatings, repairing cracks, improving drainage, and adding damp proof courses.

Waterproofing your roof involves applying a protective coating or membrane that prevents water from seeping through. Common methods include liquid waterproofing membranes, bituminous coatings, or polyurethane-based systems. The surface must be cleaned and cracks repaired before the waterproofing material is applied evenly to create a watertight seal.