What Is a CCTV Drain Survey?
A CCTV drain survey involves feeding a waterproof camera on a flexible rod through your drains to inspect the pipe interior in real time. The camera records video footage and transmits live images to a screen above ground, allowing the engineer to see exactly what's inside without digging anything up.
The result is a clear, documented picture of your drain condition — whether that's a build-up of grease and debris, a section of cracked or collapsed pipe, root intrusion from nearby trees, or a structural problem caused by ground movement. Paired with a written report, it's the definitive way to diagnose a drain problem or satisfy a buyer's or insurer's requirement for evidence.
When Do You Need a CCTV Drain Survey?
You don't need a survey every year — but there are specific situations where it's the right tool:
- Repeated blockages — if your drains keep blocking despite being cleared, a structural problem (root intrusion, partial collapse, bellied pipe) is likely causing debris to accumulate. A survey identifies the cause rather than just treating the symptom.
- Buying a property — drains are rarely covered in a standard RICS survey. A pre-purchase CCTV survey gives buyers written evidence of the drain condition before exchange, which can be used to negotiate on price or request repairs. This is especially relevant in Peterborough's older stock of 1930s–1960s properties with clay drainage.
- Persistent drain odour — a sewer smell inside the house despite clear drains often indicates a cracked pipe, a displaced joint, or a broken seal allowing gases to enter the building.
- Subsidence or ground movement — in areas with shrinkable clay subsoil (common in parts of Peterborough), ground movement can displace drain joints. A survey confirms whether drains have been affected before any underpinning or structural work proceeds.
- Before a building extension — if a new build or extension will be constructed near existing drains, a pre-work CCTV survey establishes the current condition and protects you if a problem is discovered later.
- Insurance investigation — some insurers require a drain survey report as part of a subsidence or escape-of-water claim investigation.
What Happens on the Day
Here's what to expect when our drain survey team arrives:
1. Access the Drain
The engineer identifies the best access point — usually a rodding eye, an external inspection chamber (manhole), or the nearest drain access point to the reported problem. No excavation is needed at this stage.
2. Run the Camera
A flexible camera rod is fed into the drain. The camera travels along the pipe, transmitting live footage. The engineer controls the speed and direction, pausing to examine any areas of concern. Drain runs of up to 50 metres can typically be surveyed in a single access.
3. Record and Annotate
The entire survey is recorded. The engineer notes the location, depth, and description of any defects found — cracks, root intrusion, displaced joints, debris accumulation, collapsed sections, or incorrect fall gradient.
4. Clear Blockages If Found
If a blockage is discovered during the survey, it can often be cleared during the same visit using high-pressure water jetting — avoiding a separate call-out.
5. Written Report
You receive a written report with findings, photographs or video stills, and recommendations. This is the document your solicitor, insurer, or buyer may require. It remains on record and can be used as a baseline for future surveys.
What a Survey Can Find in Peterborough Properties
Based on our work across the area, the most common findings in Peterborough drain surveys include:
- Root intrusion — tree roots entering through joints in clay drain pipes, common in tree-lined areas of Orton, Bretton, and the city centre
- Displaced joints — particularly in older clay drainage where ground movement has shifted pipe sections out of alignment
- Grease and fat accumulation — common in older kitchens and properties with no grease trap
- Broken or cracked pipes — clay pipes in properties built before the 1970s are reaching the end of their expected lifespan
- Incorrect gradients — pipework laid without sufficient fall, causing debris to settle rather than flush through
After the Survey: What Happens Next
If the survey reveals a problem, your engineer will explain the options clearly — whether that's a patch repair, a section relining (no-dig repair), or in more severe cases, a targeted excavation and replacement. Not every defect needs immediate remediation; the report will indicate severity and whether the issue is likely to worsen.
If the survey finds no significant issues, you have a documented clean bill of health for the drains — useful for property sales, insurance records, and peace of mind.
To book a CCTV drain survey across Peterborough, Stamford, Market Deeping, Yaxley, Whittlesey, and surrounding areas, book online or call 02039514510.
Frequently Asked Questions
How long does a CCTV drain survey take?
A standard domestic CCTV drain survey typically takes 1–2 hours, depending on the number of drain runs, access complexity, and whether any blockages are found. A written report is usually issued within 24–48 hours of the survey.
Do I need to be at home during the survey?
Not necessarily — the survey is carried out externally via manholes and rodding eyes. However, it's useful to be present if you want to discuss findings with the engineer in person, or if internal access points need to be used.
Will a drain survey find problems inside the house?
A standard external drain survey covers the underground drainage from your property to the public sewer. If you have concerns about internal waste pipes or under-floor drainage, let us know when booking — some internal runs can be accessed via stack pipe rodding points.
Can I use a drain survey report for a house purchase?
Yes — a CCTV survey report with video footage and a written findings summary is accepted by solicitors, mortgage lenders, and buyers as evidence of drain condition. If defects are found, the report gives you a documented basis to negotiate with the seller before exchange.
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