Victorian terraces, 1930s homes, flats, new builds and basements can show very different moisture patterns. Start with the building before jumping to a treatment.
A damp patch in a solid-wall Victorian terrace can have a very different explanation from the same-looking patch in a modern cavity-wall home.
Each guide explains the construction clues, common moisture routes and checks worth making before you spend money.
Cavities are intended to reduce moisture transfer but can be compromised by debris, bridging, insulation defects or external leaks.
Open property guide →Solid masonry manages moisture differently from modern cavity walls and can be sensitive to impermeable repairs or coatings.
Open property guide →Tenants and landlords need a clear record of symptoms, dates, repairs and ventilation/heating conditions.
Open property guide →Below-ground spaces need particular attention to waterproofing strategy, drainage, pumps and ventilation.
Open property guide →New construction contains significant moisture and modern airtight homes depend heavily on correctly commissioned ventilation.
Open property guide →Moisture can originate inside the flat, from the external envelope, from another dwelling or from shared services.
Open property guide →Many 1930s homes combine cavity construction, suspended floors and later extensions or insulation upgrades.
Open property guide →Older solid-wall construction, suspended timber floors, chimneys and decades of alterations can create several moisture pathways.
Open property guide →Those four pieces of context are much more useful than a single photo or moisture reading.