Build-Over Survey in Liverpool
Building over or within 3 metres of a public sewer? Your water company needs a CCTV condition survey before it will grant a build-over agreement.
Free · No obligation · Under 2 minutes
In short
Building over or within 3 metres of a public sewer? Your water company needs a CCTV condition survey before it will grant a build-over agreement. We match you with up to 3 verified local specialists in Liverpool — a shortlist, not the whole market, so you compare quotes without being bombarded. Local specialists know Liverpool's drainage and deal with United Utilities regularly.
Local to Liverpool
What drainage in Liverpool actually looks like
Your water company
United Utilities serves the North West including Merseyside. It's responsible for public sewers and the lateral drains beyond your boundary — including build-over agreements.
Who's responsible? →Local ground conditions
Liverpool has sandstone and sandy soils in many areas, which are often more suitable for soakaways than clay — though a percolation test still confirms viability.
Soakaway rules & costs →Local housing age
Liverpool has a high share of Victorian and Georgian housing. Older clay drains are prone to cracks and root ingress — a CCTV survey pinpoints the cause.
Why drains keep blocking →When to book
Blockages spike in December–January as festive fat and wipes hit the sewers (Water UK). Autumn is the best time to survey — before winter rainfall raises the risk of flooding and backing up.
Drainage questions in Liverpool
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