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What are the signs of problems in a building extension in Sutton?

United KingdomAsked 2026-04-1820 views1 answers157 total votes

What are the signs of problems in a building extension in Sutton?

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Helen CrossBuilding Specialist · 10 yrs
2026-03-19

When assessing a building extension in Sutton, there are several signs of problems to look out for. Cracks in walls or ceilings may indicate structural issues, while damp patches can suggest water ingress, especially common in loft and garage conversions. Doors and windows that stick or don’t close properly can point to alignment problems, often seen in poorly executed extensions. Additionally, uneven floors can suggest settling issues.

To address these problems, hiring a qualified builder is crucial. Costs for repairs can vary; for instance, repairing minor cracks might cost around £150–£500, while significant structural work could reach £2,000–£5,000 depending on the extent of the damage. It's essential to ensure your builder is certified by relevant bodies like the NICEIC for electrical work and has experience with local codes in Sutton.

Addressing these issues early can prevent further damage and ensure your extension remains safe and functional.

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