Damp, Condensation & Moisture Problems Properly Diagnosed
Don’t guess. Identify the cause before treating the symptoms.
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Water Ingress Through Walls London
Water ingress through walls in London is a common issue, particularly during periods of heavy rainfall. External defects, cracks, and building wear can allow moisture to penetrate internal wall surfaces if not properly addressed.
What Causes Water Ingress Through Walls
Water ingress through walls is typically caused by external defects such as cracks in render, damaged pointing, blocked gutters, or degraded masonry. These issues allow rainwater to enter the structure and travel through to internal surfaces.
Water ingress through walls is typically caused by external defects such as cracks in render, damaged pointing, blocked gutters, or degraded masonry. These issues allow rainwater to enter the structure and travel through to internal surfaces.
Signs of Water Ingress
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Damp patches appearing after rainfall
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Peeling paint or damaged plaster
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Staining or discolouration on walls
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Visible cracks or external defects
Water ingress is often misdiagnosed as internal damp, leading to ineffective treatment. Resolving the issue requires identifying and addressing the external source of moisture rather than treating the internal surface alone.
If you’re unsure whether damp proofing is required, you can read our guide on do I need damp proofing.
Understanding how different types of damp behave is essential when diagnosing moisture issues. You can learn more in our condensation vs damp guide.
A professional damp inspection ensures that the source of water ingress is correctly identified and that any recommended work addresses the root cause rather than just the symptoms.
For a full assessment, visit our damp inspection London page.