Most drainage arguments end the same way: someone puts a camera in the pipe and everyone stops guessing. A CCTV drain survey is exactly that, a waterproof camera pushed through the line, showing its condition metre by metre. Here is what it involves and when it is worth doing.
How the survey works
A camera head on a flexible push rod enters the line through a manhole, gully or access point. As it travels, it records footage and its distance, so any problem it finds can be located precisely from the entry point. The operator watches live, and the result is not an opinion about your pipe but a recording of it.
What a survey finds
- Blockages and exactly what they are made of
- Scale, grease and silt narrowing the pipe
- Root intrusion and its entry point
- Cracks, displaced joints and collapsed sections
- Construction debris left in new build lines
- Misconnections and unexpected pipe routes
When a survey pays for itself
Recurring blockages. Clearing the same line every few months means paying repeatedly for the symptom. One survey identifies the cause so it can be fixed once.
Before buying a property. Drainage is expensive to repair and invisible on a viewing. A pre purchase survey tells you what you are actually buying underground.
New build snagging. Debris left in lines during construction causes blockages soon after handover. Camera footage is exactly the evidence a developer claim needs.
Before any digging. Excavating to find a problem is the expensive way to locate it. The camera finds the spot first, so any dig is small and precise.
What you get afterwards
A proper survey ends with the footage and a plain language summary: what was found, where it is, how serious it is, and what, if anything, should be done. A good report also says when nothing needs doing, which is worth as much as the rest.
- A CCTV survey records the inside of the pipe, locating any problem precisely by distance from the entry point.
- It identifies blockages, scale, roots, cracks, debris and misconnections without any digging.
- It pays for itself on recurring blockages, property purchases, new build snags and before any excavation.
- A good report includes footage, locations, severity and honest recommendations, including when nothing is needed.
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Frequently asked questions
How long does a CCTV drain survey take?
Most residential surveys take under an hour or two depending on the length and number of lines. Larger buildings and sites take longer, and we will give you a realistic estimate when we see the layout.
Do you have to dig anything up?
No. The camera enters through existing access points such as manholes and gullies. That is the point of the survey: it locates problems precisely so that if any repair is needed, the work is small and targeted.
Is a survey worth it before buying a villa?
Usually, yes. Drain repairs can cost serious money, and no viewing shows you the pipes. A survey before purchase tells you the real condition and gives you negotiating evidence if problems appear.