Drainage problems are not always visible from the surface. Hidden blockages, structural damage, or root intrusion can develop deep within pipework long before you notice any obvious signs. A CCTV drainage survey is one of the most effective ways to inspect your drainage system, identify issues early, and prevent costly repairs.
What Is a CCTV Drainage Survey?
A CCTV drainage survey involves inserting a specialised waterproof camera into your drainage system to inspect the internal condition of pipes in real time. The camera transmits high-quality footage to a monitor, allowing drainage professionals to identify blockages, cracks, collapsed sections, and other hidden problems without digging or disruption.
This modern, non-invasive method provides accurate diagnostics and helps homeowners, landlords, and businesses understand exactly what’s happening underground.
When Do You Need a CCTV Drain Survey?
There are several situations where a CCTV inspection is highly recommended:
Recurring Drain Blockages
If your drains keep blocking despite repeated cleaning, there may be a deeper structural issue that needs professional investigation.
Buying or Selling a Property
Many property buyers request a CCTV survey to check the condition of underground drainage before completing a purchase. It provides peace of mind and helps avoid unexpected repair costs later.
Slow Drains or Bad Odours
Persistent smells or slow water flow can indicate grease build-up, root intrusion, or pipe damage that isn’t visible from outside.
Suspected Structural Damage
Ground movement, heavy traffic, or ageing pipes can lead to cracks or collapsed sections — all easily identified during a CCTV inspection.
How Does a CCTV Drain Survey Work?
- Access Point Inspection: Engineers locate the best entry point, usually through a manhole or inspection chamber.
- Camera Insertion: A high-resolution camera is guided through the pipes.
- Live Monitoring: Footage is reviewed in real time to identify issues such as blockages, fractures, or misaligned joints.
- Detailed Reporting: After the inspection, you receive a report outlining the condition of your drainage system along with recommended solutions.
Because the process is non-invasive, there’s no need for excavation unless a serious repair is required.
Benefits of CCTV Drainage Surveys
- Accurate problem diagnosis without guesswork
- Cost-effective compared to exploratory digging
- Fast and efficient inspections
- Prevents future emergencies by spotting issues early
- Ideal for domestic and commercial properties
Modern surveys can also include recorded footage and condition grading, making them useful for insurance claims or property maintenance records.
Common Problems Found During CCTV Inspections
Drainage engineers frequently discover:
- Tree root intrusion
- Fat, oil, and grease build-ups
- Cracked or collapsed pipes
- Scale deposits and debris
- Poor installation or misaligned joints
Identifying these issues early allows targeted repairs such as high-pressure jetting or trenchless relining, saving time and reducing disruption.
When to Call Redwood Environmental Services Ltd
If you have blocked drains or recurring drain blockage, buying or selling property to check the condition of underground drainage before completing purchase, slow drain, bad odours or suspected structural drainage damage.
Call us 24/7 on 01656 745464 for fast, reliable support