Expert Drain Repair, Surveys & Drainage Solutions Across the UK
24/7 emergency drainage services including drain collapse repair, CCTV drain surveys, complete drain excavation and pipe relining for residential and commercial properties.
Get a Free Quote
Tell us about your issue.
No obligation · No call-out charge · Free CCTV quote
Common Signs of Drain Damage
Spot these symptoms early to avoid costly emergency repairs.
Frequent Blockages
Recurring blocked drains often indicate a deeper issue such as a collapsed pipe or root ingress.
Learn moreBad Smells from Drains
Persistent foul odours can signal cracked or broken pipes leaking waste beneath your property.
Learn moreSlow Draining Sinks or Toilets
Slow drainage across multiple fixtures often points to a main drain issue needing investigation.
Learn moreGround Sinking in Garden or Driveway
Subsidence or dips in the ground can be caused by a collapsed drain washing away soil underneath.
Learn moreDrain problems often worsen quickly if ignored. Speak to an engineer today.
Our Core Drainage Services
Comprehensive drain repair and drainage solutions tailored to your property's needs.
Drain Collapse Repair
Fast, professional repair of collapsed and damaged drains.
- Emergency same-day response
- Full excavation & replacement
- Insurance-backed guarantees
CCTV Drain Surveys
Detailed camera inspections to diagnose drainage problems.
- Non-invasive camera inspection
- Detailed video reports
- Essential for homebuyers
Drain Excavation
Full excavation and replacement of damaged drain runs.
- Complete pipe replacement
- All depths and materials
- Professional surface reinstatement
Blocked Drains
Fast unblocking of drains using high-pressure jetting.
- High-pressure jetting
- Clears roots, fat & debris
- Prevents recurring blockages
Think Your Drain May Be Damaged?
A professional CCTV drain survey can diagnose the problem without excavation — often during the same visit. Don't wait for the issue to get worse.
Need a Professional Drain Inspection?
If you're experiencing persistent drainage issues, don't wait for the problem to worsen. Our engineers use CCTV technology to diagnose problems accurately — often within the same visit. Call us for emergency response or book a scheduled inspection.
The Mainline Drains Difference
What sets us apart from other drainage contractors in London.
24/7 Emergency Response
Round-the-clock availability for urgent drainage emergencies across London.
CCTV Technology
State-of-the-art camera surveys for accurate diagnosis without excavation.
No-Dig Solutions
Advanced drain relining technology that avoids costly and disruptive excavation.
Transparent Pricing
Honest, upfront quotes with no hidden costs or surprise charges.
Insurance Backed
All work fully guaranteed and insurance-backed for your peace of mind.
Local Expertise
Deep knowledge of London's drainage infrastructure and local regulations.
Recent Projects
Take a look at some of our recently completed drainage projects across London.
Residential Drain Collapse Repair
Chelsea
Emergency excavation and replacement of a collapsed Victorian clay drain beneath a residential garden.
View Service
Commercial CCTV Drain Survey
Canary Wharf
Full site drainage survey for a commercial office building prior to refurbishment works.
View Service
Victorian Property Drain Relining
Richmond
No-dig relining of cracked and root-damaged clay pipes beneath a Grade II listed property.
View Service
Emergency Sewer Repair
Wimbledon
Same-day emergency response to a sewage backup caused by a collapsed shared sewer.
View Service
Blocked Drain Clearance
Ealing
High-pressure jetting to clear a severe fat and grease blockage in a restaurant's drainage system.
View Service
Full Drain Excavation & Replacement
Kensington
Complete excavation and replacement of a 15-metre collapsed drain run beneath a driveway.
View ServiceWhat Our Clients Say
Don't just take our word for it – hear from some of our satisfied clients.
Mainline Drains responded within an hour to our emergency. The collapsed drain under our kitchen was repaired the same day. Brilliant service.
Their CCTV survey found the exact cause of our recurring damp problem. The drain relining was done without any digging — our garden was untouched. Highly recommended.
We use Mainline Drains across all our managed properties. Their reliability and professionalism is outstanding — they're our go-to drainage contractor.
Estimate Your Drain Repair Costs
Get an instant price estimate before booking an inspection. Select your problem type, pipe location and depth.
Drain Repair Cost Estimator
Select the type of drainage problem:
From Our Blog
Industry insights, project updates, and expert advice from our team.
7 Warning Signs Your Drain Has Collapsed
Learn to spot the early warning signs of a collapsed drain before it causes serious damage to your property.
Drain Relining vs Excavation: Which Repair Is Better?
A detailed comparison of no-dig relining and traditional excavation to help you choose the best repair method.
What Happens During a CCTV Drain Survey
Everything you need to know about CCTV drain surveys — what they reveal and why they're essential before buying a property.
Frequently Asked Questions
Need a Drainage Expert?
Get in touch today for a free, no-obligation quote. Our team is ready to help with all your drainage needs — 24/7.