Due diligence

6 min

What a hairline crack actually tells you

Reading a building before the survey arrives — and knowing which findings are structural and which are cosmetic.

What a hairline crack actually tells you

Every building talks before a surveyor does. The trick is knowing which sentences matter.


Vertical cracks that follow a mortar joint are usually movement the structure has already absorbed. Diagonal cracks that cut through brick, widen towards the top, and appear on both faces of a wall are a different conversation entirely — that is load finding a new path.


We walk every property twice: once in the morning for light, once after rain for water. The second walk finds more.

Anselm Roux
Anselm Roux

Head of Acquisitions

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