Traditional drain repair means excavation — cutting through driveways, gardens, patios and paths to reach the damaged section. This can cost £2,000–£10,000 or more depending on depth and surface material. No-dig drain relining achieves the same result from the inside, through existing access points, in a fraction of the time and at a fraction of the cost.
1
CCTV confirms
We survey the damaged section with a camera to confirm the defect type, location and that the pipe is suitable for relining.
2
Pipe prepared
High-pressure jetting cleans the full pipe bore to ensure the resin liner bonds correctly to the existing pipe wall.
3
Liner inserted
A resin-impregnated felt liner is fed into the pipe and positioned precisely using our CCTV camera system.
4
Cured in place
The liner is inflated and cured using UV light or ambient inversion — forming a smooth new pipe within the old one.
Is your drain covered by insurance?
In many cases, the cost of repairing a drain is covered under buildings insurance, especially where structural failure has occurred. NorthFlow provides a full written CCTV survey report and repair specification that supports insurance claims. We're happy to provide documentation in whatever format your insurer requires.
NorthFlow relined a 12-metre section of cracked clay drain under our garden path without touching a single paving slab. The repair took one day and the drain has been perfect ever since. Incredible technology.
David H.
Darlington
Google ReviewHad a quote from another company of £4,500 to excavate and replace a drain under our driveway. NorthFlow relined it for £1,100. Same outcome, no disruption, and they were done in half a day. Highly recommend.
Jenny W.
Stockton-on-Tees
Google ReviewHow do I know if my drain can be relined?
A CCTV survey will confirm suitability. Relining works for cracked joints, root ingress, deformation, and leaking sections. The pipe must have at least 50% of its original bore intact for relining to be possible.
How long does the liner last?
A properly installed cured-in-place liner has a certified design life of 50+ years and meets BS EN ISO 11296-4 standards.
Will relining reduce the pipe diameter?
Marginally — a typical liner reduces internal diameter by 6–12mm. This has no practical impact on drainage capacity.
What if the pipe is too damaged to reline?
If a section is fully collapsed or too deformed for relining, we recommend targeted excavation and replacement of that section only — not the full run. We always provide the most cost-effective solution.
Do you carry out repairs after finding defects on a CCTV survey?
Yes — if we carry out a CCTV survey and find defects, we provide a detailed itemised quote for repair or relining from the survey findings. You are under no obligation to use us for the repair work.
