What is a CCTV Drain Survey?

What is a CCTV Drain Survey?

Suppose you have a smelly sink, or a blocked toilet. A quick call to your Drainflow drain clearance specialist would normally ensure a quick resolution to the problem. But not always. Drains are complex systems and sometimes it’s necessary to investigate deep in the drainage system in order to discover the source of the blockage. It’s in these circumstances that we use a CCTV drain survey.


Yes, But What is a CCTV Drain Survey?

It’s an inspection of your drainage system using a remote-controlled closed-circuit camera. The HD CCTV camera, is wheel-mounted and provides 360° real-time imagery of the drain’s interior. The data is relayed to the surface where it is analysed by a Drainflow engineer, allowing us to pinpoint the location of the blockage, and diagnose the cause.

The primary purpose of a CCTV drain inspection is to identify potential problems in your drains and fix them before they turn into larger, more costly issues. If there’s a suspected blockage, we’re able to identify what it is, and where it’s located. Then we can use the most appropriate method, usually drain jetting, to clear out the pipes and leave your drains healthy once more.

4 Types of CCTV Drain Survey

Apart from the basic requirement to clear a blockage, there are a number of different reasons for scheduling a CCTV drain survey, thanks to their efficiency at diagnosing potential drain problems:

  1. Pre-Purchase CCTV Survey
  2. Pre-Build Survey
  3. Vermin Infestation Survey
  4. Drain Maintenance CCTV Survey

1. Pre-Purchase CCTV Survey

CCTV drain surveys are used to check the condition of a drainage system prior to buying a house. The diagnostics provide information about damaged pipes, but also give warning of potential problems that can be dealt with early. Repairs are far cheaper, as a result of a drain survey report, because the exact location requiring repair, or replacement is known.

“Excellent service with great communications and feedback from the staff. Was really impressed with how promptly they dealt with our issue and provided me with a report and disc within 24 hours. Would definitely recommend having a survey done before purchasing a property as highlighted a problem that could have been costly had we not had the CCTV work carried out.”

– Tina Keane

2. Pre-Build Survey

A Pre-Build Survey is carried out in order to eliminate the risk of damage to existing pipework. Building on top of a sewer or drain can cause massive disruption so it’s critical to do these checks. If you’re planning to build an extension on your property, the local water authority will require that you carry out a CCTV survey if the construction work is close to any of their pipes.

3. Vermin Infestation Survey

If you have spotted rat droppings, or you’re hearing scrabbling sounds beneath your floorboards, you may have a rat infestation in your drains. A CCTV drain survey will put your mind at rest as to whether or not this is the case. Our camera will identify any points of entry, or damage caused by rodents. Once you know if there is a problem, we can pinpoint the problem for pest control experts.

4. Drain Maintenance CCTV Survey

Even if your drains are working perfectly well, we recommend drain maintenance every 2-3 years. In the same way that a car service maintains the performance of your vehicle, a CCTV drain survey will ensure that you’re ahead of the curve should repairs or remediation be necessary. The frequency is dependent upon the age and condition of your pipes, but your Drainflow expert can offer guidance on this.


Drain Clearance Services in Bedfordshire

Drainflow provides prompt and efficient CCTV drain surveys in Bedfordshire, Buckinghamshire, Hertfordshire and North London. We offer drain clearance services 24/7, so the Drainflow team can be relied upon if you have a problem that needs fixing fast. Best of all, we don’t charge call out fees. Instead, we find out what the problem is and offer an on-the-spot no obligation quote for fixing it.


A CCTV drain survey gets to the root of the problem and picks up pipe damage in its early stages. For a CCTV drain survey, call 01525 718500