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Reline a damaged drain.
CIPP — cured-in-place pipe lining — repairs cracks and joints without digging up the garden.
✓ Updated May 2026✓ Free quotes✓ Vetted pros
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Costs, timelines, pitfalls and the right questions to ask before any drain specialist starts on drain Lining (CIPP).
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Wrong liner thickness
Thin liners can fail. Standard 6mm typical. Premium 9mm+ for high-pressure.
Junction reconnection failure
Side connections must be re-opened after lining. Sometimes missed.
Hot-spot heating uneven
Hot-water curing can leave weak spots. UV-curing more uniform.
Old pipe collapse
If existing pipe severely deformed, liner may not form properly. Excavation needed.
Costs & timeline
Know what it costs. Know when it ends.
Indicative UK ranges and what affects price.
Cost range
By job type
Inc. VAT · 2026
Source: NMT quotes
Source: NMT quotes
CIPP lining per metreStandard 100-150mm pipe
£120–£300
Large diameter lining200-300mm pipe
£250–£500
Standard 10m lining jobDomestic drainage
£1.2k–£3k
Standard 20m lining jobLarger property
£2.4k–£6k
Junction reconnectionPer connection
£200–£500
Pre-lining cleaningUsually included
£1–£1
!
Quote spread is typically ± 18% — always get 3 quotes.
At a glance
Infographic · VideoThe Drain Specialist briefing.
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Drain Specialist explained
Drain lining (CIPP — Cured In Place Pipe) repairs drains without excavation. Epoxy resin liner pulled through pipe, cured. Expect to pay £120–£300 per metre for UK drain lining.
What Does the Work Involve?
Drain cleared and inspected by CCTV. Resin-impregnated liner (felt or fibreglass) pulled through pipe via manhole access. Inflated against existing pipe walls. Cured by hot water, steam, or UV light. New seamless pipe inside the old. Service connections reopened via internal cutting.
Typical Costs
| Item | Low (£) | High (£) | Notes |
|---|---|---|---|
| CIPP lining per metre | 120 | 300 | Standard 100-150mm pipe |
| Large diameter lining | 250 | 500 | 200-300mm pipe |
| UV-cured lining | +£40 | +£100 | Per metre premium |
| Standard 10m lining job | 1,200 | 3,000 | Domestic drainage |
| Standard 20m lining job | 2,400 | 6,000 | Larger property |
| Junction reconnection | 200 | 500 | Per connection |
| Pre-lining cleaning | 0 | 0 | Usually included |
How Long Does It Take?
Standard lining: 1-2 days. Larger projects: 2-3 days. Plus pre-lining cleaning.
DIY or Professional?
Specialist drainage contractor only. CIPP-trained installer with proper equipment.
Choosing the Right Tradesperson
NADC member. CIPP-trained. Insurance-backed warranty (25 years on lining). UV-curing equipment is premium option.
UK Regulations
Building Regs Part H. Water company approval for sewer work. Insurance-backed guarantee (IBG) essential.
Common Problems
- Wrong liner thickness: Thin liners can fail. Standard 6mm typical. Premium 9mm+ for high-pressure.
- Junction reconnection failure: Side connections must be re-opened after lining. Sometimes missed.
- Hot-spot heating uneven: Hot-water curing can leave weak spots. UV-curing more uniform.
- Old pipe collapse: If existing pipe severely deformed, liner may not form properly. Excavation needed.
Frequently Asked Questions
How long does CIPP lining last?
50+ years. Manufacturer warranty 25 years typical. Lasts longer than original clay pipe.
Lining vs excavation cost?
Lining: £120-£300/m. Excavation: £200-£500/m plus reinstatement. Lining usually cheaper overall.
What pipes can be lined?
Clay, concrete, PVC, cast iron — most pipe types. Severely collapsed pipes need excavation.
UV-cured vs hot water?
UV: faster cure (1-2 hours vs 4-6), more uniform. Hot water: cheaper but less uniform. UV is premium option.
Will lining reduce pipe diameter?
Slightly — 4-10mm depending on liner thickness. Flow capacity reduced 5-15% typically. Modern liners minimize.
Insurance covers lining?
Some buildings insurance covers if drain damage caused by insured event (subsidence, storm). Maintenance issues: rarely covered.
This guide was written with AI assistance and is intended for general information only. Prices are estimates based on UK averages and may vary by region. Always get at least three quotes and consult a qualified professional before starting any work.
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