CCTV Drain Surveys

A CCTV drain survey involves inserting a small, high-resolution camera into your drainage system to inspect the interior of the pipes in real time. This visual assessment helps identify blockages, cracks, leaks, and other structural issues that might not be apparent from the surface. By pinpointing the exact location and nature of any problem, engineers can recommend targeted solutions, potentially saving you from unnecessary excavation or costly guesswork. CCTV surveys are especially useful when purchasing a new property, as they reveal the condition of the existing drainage network. They can also be employed after repeated blockages to determine underlying causes, such as collapsed sections or root intrusions. The footage is typically recorded, providing a valuable reference for any required repairs. Overall, CCTV drain surveys offer a clear, efficient, and minimally invasive way to diagnose drainage problems, ensuring issues are addressed quickly and accurately.

There are several situations where a CCTV drain survey is highly recommended. If you experience frequent or persistent drain blockages, an in-depth inspection can reveal whether the problem is caused by recurring build-ups, partial collapses, or tree root ingress. Homebuyers and commercial property purchasers often commission CCTV surveys before finalising contracts, ensuring they are aware of any hidden drainage faults that could result in expensive repairs. If your property has an older drainage system or you’ve noticed issues like slow drains and foul odours despite regular unblocking, a survey can offer clarity on the pipe’s overall health. Construction projects, extensions, or major refurbishments might also require a drain survey to confirm the system is adequate for increased usage. Essentially, if there’s any uncertainty about the condition, capacity, or integrity of your drains, a CCTV survey is an effective way to gain a detailed, visual diagnosis.

Professional drainage engineers use specialised cameras designed to travel through pipes of varying diameters. These cameras are typically mounted on flexible cables or small, wheeled crawlers capable of navigating bends and junctions in the drainage system. The live video feed is relayed to a monitor above ground, allowing the operator to spot blockages, cracks, and other defects in real time. High-resolution imaging and adjustable LED lighting ensure even small details are visible, while built-in measurement features can help gauge the extent of damage or the size of obstructions. Some advanced systems also incorporate pan-and-tilt capabilities for a closer look at suspicious areas. In addition to the camera itself, operators may use a sonde or locator device, which emits signals that can be detected on the surface. This helps pinpoint the camera’s position underground, enabling accurate mapping of the drainage layout and precise identification of problem spots.

One of the main advantages of a CCTV drain survey is that it’s minimally invasive. Because the camera equipment is inserted directly into existing access points—such as manholes, external drain covers, or internal rodding points—there’s often no need to excavate or dig up large sections of your property. Engineers can conduct the survey relatively quickly, depending on the length and complexity of your drain network. You can usually continue with daily routines, and businesses can often remain open, as the process typically generates little noise or disruption. In certain cases, light jetting or rodding may be needed beforehand to clear away debris and ensure the camera can pass through. However, this too is generally straightforward. Overall, a CCTV drain survey is a convenient diagnostic tool that offers thorough insights into your drainage health without the mess, noise, or extended downtime that more invasive methods might cause.

Once the CCTV drain survey is complete, the drainage specialist will review the recorded footage and prepare a detailed report of their findings. This usually includes a clear explanation of any issues detected, along with the precise location and severity of the problem. High-resolution images or video clips may be provided as evidence, helping you understand the nature of the fault. Based on the diagnosis, the specialist will recommend the most appropriate remedial action—this could be anything from high-pressure jetting and root removal to patch repairs or a full pipe replacement if the damage is extensive. In some cases, they might suggest preventative measures such as descaling or periodic maintenance to avoid future complications. The final stage typically involves discussing costs, timelines, and potential disruptions so you can make an informed decision. With this information, you’ll have a clear path forward to restore your drains to optimal condition.