When buying a house, most people focus on the roof, windows, boiler and electrics. Yet a hidden network of pipes lies beneath every property. A CCTV drain survey can reveal problems that standard home surveys miss entirely.
What is a CCTV Drain Survey?
A CCTV drain survey feeds a small, waterproof camera into the drainage system. The camera travels through the pipes and records their condition. Engineers can then spot blockages and damage without any digging.
Why Standard Home Surveys Do Not Cover Drains
A homebuyer's survey, or even a full building survey, covers the parts of a property the surveyor can see. Drains are underground and hidden, so they fall outside the scope. However, unless there is visible evidence such as damp or subsidence, drainage problems will not be flagged.
Common Problems Found During Drain Surveys
Tree Root Ingress
Tree roots seek out moisture, and your drains provide plenty. Roots can enter pipe joints and cracks. As a result, they eventually cause a full blockage or a collapse, so homes with mature trees nearby are at greater risk.
Collapsed or Broken Pipes
Older homes often have clay or pitch fibre pipes that wear out over time. A survey can reveal cracks, breaks or full collapses. Fixing these may still need excavation.
Displaced Joints
Ground movement, traffic vibration or poor installation can pull pipe joints apart. Waste then leaks into the soil around the pipe. As a result, it can lead to subsidence over time.
Incorrect Connections
Some homes have surface water drains linked to foul sewers, or the other way round. This can cause compliance problems. It is better to learn about it before you buy, because fixing it later is your job.
Fat and Debris Build-up
Even without structural damage, heavy build-up in the pipes signals future problems. You may therefore want to clear it before you move in.
The Cost of Not Surveying
Drain repairs get more involved as the damage grows. For example, the scale below runs from the simplest outcome to the largest:
- Simple drain unblocking is usually the quickest and least disruptive fix.
- Drain relining is a repair without trenches, priced by pipe length, diameter and access.
- Excavation and pipe replacement is a bigger job, priced by depth, length and ground.
- Full drainage replacement is the largest outcome, and the one a pre-purchase survey helps you avoid.
A pre-purchase survey is quoted from your property size. Request a quote online to find out how it applies to your purchase.
Using Survey Results in Negotiations
If the survey finds problems, you have several options. Choose the one that suits your budget.
- Negotiate a price reduction to cover repair costs.
- Ask the seller to fix the issues before completion.
- Walk away if the problems are too severe.
- Proceed with full knowledge and budget for repairs.
A written report from a recognised grading scheme gives you firm evidence to use, because it is hard to dispute. Our guide to what a CCTV drain survey costs explains what shapes the price.
What to Look for in a Survey Provider
Choose a drainage company with care. It should give you the following:
- Camera footage you can keep.
- A detailed written report.
- A clear explanation of any issues found.
- Recommendations for remedial work.
- A quote for any repairs needed.
We provide pre-purchase drain surveys across Banbury and Oxfordshire. Our engineers explain what they find and give straight advice, because a report is only useful if you understand it. If a survey shows damage, we also offer drain repairs, including pipe relining and drain excavation.
Buying Outside Town
Rural homes bring extra checks, because many are off the mains. Read our drainage checks before buying a rural property for the full list. The General Binding Rules for septic tanks explain the legal side. To identify what is in the garden, see septic tanks, cesspits and treatment plants compared.
Surveys often lead to cleaning work, so read about drain jetting and drain rods. Meanwhile, if a gully is the worry, see clearing an outside drain.
Where We Survey
Our surveys cover the whole area. See our pages on CCTV drain surveys in Banbury, drain camera surveys in Bicester and CCTV inspections in Brackley. If a survey finds damage, drain repairs in Banbury explains the next step.
Our main CCTV drain survey service page covers how a visit works. Request a quote online before you exchange contracts.
