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Trenchless residential drain repair · Sydney-wide

Drain Relining Sydney

Repair cracked, root-invaded and deteriorated residential drains from the inside — without digging in most cases. Fixed quote after CCTV inspection. 50-year structural warranty on every liner.

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🛡️ 50-year warranty⛏️ No-dig repair📹 CCTV before every job💰 Fixed quoting

What is drain relining

Repair your drain from the inside — no excavation required

Drain relining repairs damaged residential drain pipes without the need to dig up the line. A resin-saturated liner is inserted through an existing inspection point, inflated against the pipe walls and cured in place — creating a smooth, seamless new pipe inside the old damaged one.

The result is a structurally sound drain with no joints for roots to re-enter and a smooth bore that improves flow. The epoxy liner bonds to clay, concrete, earthenware and PVC pipes in a range of diameters. Most residential drain relining jobs are completed in a single day with minimal disruption.

Drain relining is the right call when a drain keeps blocking due to root intrusion or pipe damage, when a drain runs under a driveway or slab, or when ongoing maintenance costs are outpacing the value of simply fixing the problem permanently.

Indicative cost

How much does drain relining cost in Sydney?

All jobs are quoted fixed price after CCTV inspection confirms the scope. These are realistic starting ranges.

Short section

2–4m · 100mm drain

$3,650 – $4,550

Spot repair — a single cracked or root-damaged section

Standard drain

5–8m · 100mm drain

$4,500 – $7,500

Typical full residential house drain relining job

Full property drain

10–15m · 100–150mm

$7,500 – $12,000

Longer runs or larger-diameter drains

Use our interactive price calculator →

When drain relining is the right call

Signs your drain needs relining

Not every blocked drain needs relining — but when the problem keeps coming back, the pipe is usually the issue.

  • Root intrusion

    Tree roots entering through pipe joints or cracks cause recurring blockages. Relining the drain seals entry points permanently.

  • Drain keeps blocking

    If you're clearing the same drain repeatedly every few months, structural damage is often the cause — not just what's going down it.

  • Cracks and failed joints

    Cracked clay pipes and failed rubber joints allow groundwater ingress and root entry. Relining restores full structural integrity.

  • Drains under slabs or paths

    When a damaged drain runs under a concrete path, driveway or floor slab, relining avoids the cost and disruption of breaking the surface.

  • Old terracotta drain pipes

    Sydney's older homes — particularly Inner West and Eastern Suburbs properties — often have original terracotta drains that benefit from relining.

  • Stormwater line damage

    Damaged stormwater lines that cause overflows or flooding can be relined to restore drainage capacity without excavating the garden.

Our process

How drain relining works

From initial inspection to completed repair — explained clearly at every step.

1

CCTV inspection of the drain

We run a drain camera through the affected pipe to identify the damaged sections, confirm the pipe diameter, assess access points and determine whether relining is the right option. Findings are explained to you before any recommendation is made.

2

High-pressure jetting

Before the liner goes in, the drain is thoroughly cleaned using high-pressure water jetting to remove root intrusion, grease, debris and any buildup — ensuring the liner can bond properly to the pipe wall.

3

Liner insertion

An epoxy-saturated liner sized for the specific drain diameter is inserted through an existing access point (no digging required in most cases) and positioned to cover the entire damaged section.

4

Cure and final inspection

The liner is inflated against the pipe walls and cured using heat or UV light. Any junctions are cut open and reinstated. A final camera inspection confirms the liner is correctly placed and the repair is complete.

Relining vs clearing

When to reline rather than just clear the drain

Reline when…

  • The drain has been cleared 2+ times in the last year
  • CCTV shows cracks, root intrusion or failed joints
  • The pipe runs under a slab, driveway or pool
  • You want a permanent fix with a 50-year warranty
  • Root clearing keeps the same roots coming back

Just clear when…

  • →It's the first time the drain has blocked
  • →CCTV shows no structural damage
  • →Blockage is debris or grease, not structural
  • →The pipe is young and in good condition
  • →Relining is not suitable for the pipe type or condition

Why Drainr

Why choose Drainr for drain relining

CCTV first, always

We never recommend drain relining without inspecting first. You see the footage, understand the problem and approve the scope before anything starts.

Fixed quotes only

The price we quote after inspection is the price you pay. No scope creep, no additions once we arrive. Written confirmation before work begins.

50-year structural warranty

Our epoxy liner carries a 50-year structural warranty — seamless, root-proof, and signed off in writing before we leave the job.

Related services

You might also need

Pipe Relining Sydney

The full pipe relining service page — covering drain and sewer relining across all pipe types and sizes.

Learn more →

CCTV Drain Inspection

Camera inspection to confirm whether drain relining is the right option before any work is quoted.

Learn more →

Sewer Relining

Relining for house sewer lines — larger diameter pipes connecting to the Sydney Water system.

Learn more →

FAQ

Drain relining questions answered

What is drain relining?
Drain relining is a trenchless repair method for damaged residential drain pipes. An epoxy resin liner is inserted into the drain and cured in place — forming a new structural pipe inside the old one without excavation in most cases.
How is drain relining different from pipe relining?
Drain relining specifically refers to relining residential stormwater, wastewater and internal drain lines. Pipe relining is the broader term covering drains, sewer lines and larger diameter pipes. The process and materials are the same — the scope differs by pipe type and application.
How much does drain relining cost in Sydney?
Drain relining in Sydney starts from around $3,650 for a short section (2–4m of 100mm pipe). Most standard residential jobs fall between $4,500 and $7,500 depending on length, pipe diameter and access conditions. A fixed quote is confirmed after CCTV inspection.
How long does drain relining last?
A quality epoxy drain liner is designed to last 50+ years. The seamless interior surface resists root re-entry, corrosion and cracking — and eliminates the joints that roots typically exploit in older clay and earthenware pipes.
Can drains under concrete slabs be relined?
Yes. Drain relining is particularly valuable where pipes run under concrete floor slabs, driveways or established garden areas. Relining avoids the need to break the surface entirely — access is through an existing inspection point in most cases.
Do I need a CCTV inspection before drain relining?
Yes. A CCTV drain inspection confirms the pipe condition, identifies where the damage is, measures the pipe diameter and confirms whether relining is suitable. This inspection always comes before any relining is recommended or quoted.

Need your drain relined in Sydney?

CCTV inspection first, fixed quote before work starts, 50-year warranty on every liner. Call or book online.

Get a free drain relining quote(02) 7231 7106