Specialist survey
CCTV drain survey cost when buying a house
A CCTV drain survey sends a camera through underground drains to identify cracks, collapse, roots, blockages, displaced joints and hidden repair liabilities that a normal house survey cannot see.
Typical buyer budget: about GBP150-GBP500 for a domestic CCTV drain survey, with higher costs for large plots, poor access or complex shared drainage.
Last updated: 31 May 2026. Editorially reviewed: 31 May 2026.
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- The survey flags drainage issues or repeated blockage signs.
- The property is older with clay drains, mature trees or signs of ground movement.
- An extension may sit over or near a public sewer.
- You need repair evidence before renegotiating.
What it checks
- Pipe condition, cracks, root ingress, displaced joints, collapse and blockages.
- Drain route, access points and whether repair access is practical.
- Evidence for lining, excavation, clearance or further investigation.
- Whether defects are urgent or routine maintenance.
What it does not cover
- It does not replace the water and drainage conveyancing search.
- It does not certify legal ownership or responsibility for shared drains.
- It may not access every run if chambers are buried or blocked.
CCTV drain survey cost triggers
| Trigger | Inspection value | Next step |
|---|---|---|
| Older clay drains | Medium | CCTV if other risk signs exist. |
| Repeated blockages | High | CCTV before exchange. |
| Extension over drain | High | CCTV plus solicitor build-over check. |
| Simple blocked gully | Low | Clearance may be enough. |
Questions to ask before you pay
- Will I receive the video, plan and written defect schedule?
- Can you identify whether defects are urgent before exchange?
- Will the quote separate lining, excavation and clearance options?
- Are any runs inaccessible, and why?
Related next steps
Frequently asked questions
How much does a CCTV drain survey cost?
Many domestic buyer CCTV drain surveys cost around GBP150-GBP500, depending on access, size and complexity.
Should I get one before buying?
Consider one for older homes, blockage signs, trees, extensions over drains or surveyor recommendations.
Can the seller refuse a drain survey?
They can refuse access. If they do, you must decide whether the uncertainty is acceptable before exchange.
Does the drainage search check pipe condition?
No. It checks records and sewer context, not the physical condition of underground pipes.
How MyPropertyScan produces this guide, and what it is not
Published by MyPropertyScan and written by Ziad Nasr, who is accountable for its accuracy. No page here is written or reviewed by a chartered surveyor, conveyancer or regulated adviser, and we do not claim otherwise.
This page is not:
- Chartered surveying — we do not inspect properties or produce RICS Home Survey reports
- Legal advice — we do not act as conveyancers or advise on title, tenure or contracts
- Mortgage or insurance advice — we are not regulated by the FCA and give no recommendations
Figures and process steps come from the published UK datasets and standards listed on this page, not from professional practice. Pages are updated when source coverage, survey cost assumptions, or lender and legal requirements materially change. Dataset limitations are set out on the methodology page.
Spotted something out of date or wrong? Email hello@mypropertyscan.com and we will correct it and change the update date.
Sources used
We use UK public and specialist sources where they are available. Public datasets can be incomplete, delayed, or missing for some addresses. Treat them as a starting point, not as a replacement for professional advice.
Source standard: preference goes to official government datasets, statutory bodies, professional standards, and primary dataset publishers. We cite the source family on the page and explain coverage limits rather than filling gaps with unsupported estimates.
- Professional standard: RICS Home Survey StandardRICS standard for condition-based residential surveys in the UK.
- Learn more from: RICS consumer guide to surveysConsumer-facing guide to survey types and when each level is appropriate.
- Official guidance: GOV.UK buying or selling your homeGovernment overview of the home buying and selling process.