A CCTV drain survey is one of the most valuable tools available to homeowners and property buyers in Preston and Lancashire. Using high-definition camera technology, a CCTV drain survey allows a drainage engineer to inspect the inside of your drainage pipes without any digging or disruption — providing a precise, evidence-based picture of the condition of your drainage system.
In this guide, the team at HydroFlow Drainage Preston explains exactly what a CCTV drain survey involves, what it can detect, when you need one, and what to expect from the process.
What Is a CCTV Drain Survey?
A CCTV drain survey is a non-invasive inspection of your drainage pipes using a high-definition camera mounted on a flexible rod or crawler. The camera is inserted into the drain through an existing access point (such as an inspection chamber or manhole) and pushed through the pipe, transmitting live footage to a monitor where the engineer can assess the condition of the drainage system in real time.
The footage is recorded and used to produce a detailed written report, which is provided to the customer after the survey. This report forms the basis for any recommended repairs or maintenance.
What Can a CCTV Drain Survey Detect?
A CCTV drain survey can identify a wide range of drainage problems, including:
- Blockages: Fat, grease, root masses, and foreign objects causing partial or complete blockages.
- Cracks and fractures: Hairline cracks or larger fractures in clay, concrete, or plastic pipes that can allow groundwater ingress or cause subsidence.
- Tree root ingress: Roots growing through pipe joints or cracks, which can cause blockages and structural damage.
- Collapsed or deformed pipes: Sections of pipe that have collapsed, buckled, or become misaligned, restricting flow.
- Pipe joint defects: Open or displaced joints that allow groundwater to enter the drainage system.
- Corrosion and deterioration: Particularly in older clay or concrete pipes, where the pipe wall has degraded over time.
- Incorrect gradients: Sections of pipe that are not laid at the correct angle, causing standing water and recurring blockages.
When Do You Need a CCTV Drain Survey?
There are several situations where a CCTV drain survey is strongly recommended:
- Buying a property: A pre-purchase CCTV drain survey is one of the most important checks you can make when buying a house in Preston or Lancashire. It can reveal hidden drainage problems that could cost thousands of pounds to repair.
- Recurring blockages: If you have a drain that keeps blocking despite repeated clearances, a CCTV survey will identify the underlying cause — such as root ingress or a structural defect.
- Insurance claims: Many insurers require a CCTV drain survey report to support a drainage-related insurance claim.
- Unexplained smells or damp: If you can smell sewage or notice unexplained damp in your property, a CCTV survey can identify whether a drainage defect is the cause.
- Before building work: If you are planning an extension, loft conversion, or other building work near drainage pipes, a CCTV survey will confirm the location and condition of the pipes.
What Does a CCTV Drain Survey Report Include?
After a CCTV drain survey in Preston, you will receive a comprehensive written report that includes:
- A written summary of the condition of your drainage system
- A drainage plan showing the layout and dimensions of the pipes
- Video footage of the full inspection
- Details of any defects found, including their location within the pipe
- A condition grading for each section of pipe
- Recommendations for any repairs or maintenance required
How Long Does a CCTV Drain Survey Take?
A standard residential CCTV drain survey in Preston typically takes between 1 and 2 hours, depending on the size of the property and the length of the drainage system. Larger commercial surveys may take longer. Our engineers carry all the necessary equipment on their vehicles, so there is no need to wait for specialist equipment to be ordered.
To book a CCTV drain survey in Preston, call HydroFlow Drainage Preston on 01772 393 127 or request a free quote online.
Frequently Asked Questions
What is a CCTV drain survey?
A CCTV drain survey is a non-invasive inspection of your drainage pipes using a high-definition camera on a flexible rod. The camera transmits live footage to a monitor, allowing the engineer to identify blockages, cracks, root ingress, and other defects without digging.
When do I need a CCTV drain survey?
You should consider a CCTV drain survey when buying a property, when you have a recurring blockage, when making an insurance claim, when you can smell sewage, or before building work near drainage pipes.
How long does a CCTV drain survey take?
A standard residential survey typically takes 1–2 hours. You will receive a full written report with video footage after the survey.
What does a CCTV drain survey report include?
The report includes a written summary, drainage plan, video footage, details of any defects, condition grading, and recommendations for repairs or maintenance.
Can a CCTV drain survey detect tree root ingress?
Yes. CCTV surveys are one of the most effective ways to detect tree root ingress. The camera clearly shows roots growing through pipe joints or cracks, allowing the engineer to recommend appropriate repairs.