Sewer Repairs & Replacements Sydney
Resolve severe sewer damage with Panther Plumbing Group. We deliver major sewer repairs, complete replacements, and system upgrades to keep your property safe, compliant, and functioning reliably.
Full-Service Sewer Team
Compliance Focused
Meet Sydney Water and Australian Standards requirements
All Methods
Trenchless relining, pipe bursting, and excavation options
Project Managed
From approvals to reinstatement—complete coordination
Upgrades Available
Increase capacity, reroute lines, add overflow protection
Permanent Sewer Repairs For Sydney Properties
When sewer damage is too extensive for standard relining or sectional repairs, Panther Plumbing Group delivers engineered sewer repair and replacement solutions. Collapsed main sewers, severely damaged systems, and undersized infrastructure require major works expertise backed by Sydney Water approvals and comprehensive project management.
Engineering-Grade Solutions
Detailed CCTV assessment, professional engineering designs, and correct gradient calculations ensure compliant installations meeting Sydney Water and Australian Standards requirements.
Complete Project Management
Single point of contact coordinates all approvals, excavation crews, testing, and reinstatement. Daily progress updates and stakeholder communication throughout major works.
All Replacement Methods Available
Open-trench excavation, pipe bursting technology, and full relining systems. We select optimal methods based on site conditions, access constraints, and budget considerations.
Professional Site Restoration
All excavated areas professionally reinstated—concrete, asphalt, pavers, turf, and gardens restored to original condition or upgraded per client request with comprehensive warranties.
Major Sewer Works We Deliver
Comprehensive sewer solutions for all property types
Complete Sewer Main Replacement
Major WorksReplace collapsed, damaged, or undersized sewer mains with modern PVC or HDPE systems. Full excavation, installation to correct gradient, Sydney Water connections, and complete surface reinstatement.
Pipe Bursting & Rehabilitation
TrenchlessBreak old sewer mains in-situ while installing new pipes through the same alignment. Minimal excavation alternative to traditional replacement—ideal for sewers under buildings, driveways, or mature landscaping.
Sewer System Upgrades
Capacity IncreaseIncrease sewer capacity for renovations, subdivisions, or commercial developments. Upgrade undersized mains, add pump stations, install overflow protection, or divert lines around new construction.
Strata & Multi-Unit Replacement
Body CorporateReplace shared sewer infrastructure for apartment buildings, townhouse complexes, and commercial strata. Staged works maintain operation, detailed reporting for owners corporations, and council compliance certification.
Emergency Sewer Reconstruction
EmergencyUrgent reconstruction for collapsed sewers causing major property damage or health hazards. Temporary bypass pumping maintains operation while permanent repairs and replacements are engineered and installed.
Heritage Property Sewer Works
SpecialisedSensitive sewer replacement for heritage-listed properties. Minimal-impact excavation, period-appropriate materials where required, heritage approvals coordination, and careful site restoration.
When Sewer Replacement Is Necessary
These conditions require major sewer works beyond simple repairs
Multiple Collapsed Sewer Sections
When CCTV reveals extensive collapse affecting multiple pipe sections, sectional repairs are uneconomical. Complete sewer main replacement provides permanent solution and prevents ongoing failure of adjacent sections.
Severely Undersized Sewer Capacity
Original sewers designed for smaller households now inadequate for modern usage or property extensions. Frequent overflows and backups indicate capacity issues requiring main sewer upgrade to larger diameter pipes.
Incorrect Sewer Gradient Throughout
Improperly installed sewers with insufficient or negative gradient cannot be repaired—the entire system requires replacement at correct specifications. Recurring blockages despite clearing indicate gradient problems.
Extensive Root Damage & Infiltration
Sydney trees completely destroying sewer infrastructure through every joint often require replacement rather than repeated clearing and relining. New systems with sealed joints prevent future root intrusion.
Ageing Infrastructure Past Service Life
80+ year old terracotta, earthenware, or early concrete sewers approaching end of design life. Multiple failures, constant leaks, and structural deterioration indicate replacement is more economical than ongoing repairs.
Sewer Relocation Requirements
Building extensions, new driveways, or landscaping changes require sewer rerouting. Major renovations or subdivisions often need sewer diversions, upgrades, or new connections to Sydney Water infrastructure.
How We Deliver Major Sewer Projects
Professional project management from start to finish
Comprehensive Investigation & Design
Detailed CCTV surveys, engineering assessments, and soil testing determine optimal repair strategy. We design compliant sewer systems to Australian Standards with proper gradient, capacity, and materials suited to Sydney conditions.
Sydney Water Approvals & Permits
We manage all Sydney Water applications for sewer connections, modifications, and main sewer works. Council permits arranged for excavations in roads, footpaths, or public land. Traffic management plans developed where required.
Stakeholder Communication
Neighbours, tenants, and affected parties receive advance notice of works. For strata properties, we present to owners corporations and coordinate with building managers. Clear communication schedules, impacts, and progress throughout.
Site Establishment & Safety
Professional site setup with safety barriers, signage, and exclusion zones. Traffic management implemented where required. Temporary sewer bypass pumping maintains operation during major works if needed.
Excavation & Installation
Experienced excavation crews work to engineered plans with proper shoring and safety protocols. New sewer pipes installed at correct gradient with specified bedding and backfill. Connections to Sydney Water infrastructure completed and tested.
Testing, Commissioning & Handover
Post-installation CCTV confirms compliant installation. Pressure testing verifies sealed joints. Surfaces reinstated professionally—concrete, asphalt, pavers, or turf. Compliance certificates, as-built drawings, and warranties provided.
Sewer Repair & Replacement Methods
Full-service sewer infrastructure solutions
Open-Trench Excavation & Replacement
Traditional excavation provides access for complete sewer replacement. Experienced crews with modern excavation equipment, proper shoring systems, and strict safety protocols. All surfaces professionally reinstated.
Pipe Bursting Technology
Break old sewer pipes in-situ while installing new HDPE through the same alignment. Reduces excavation to access pits at each end. Ideal for sewers under buildings, driveways, or established gardens.
Full Sewer Relining Systems
Trenchless epoxy relining creates structural new sewers inside damaged pipes. Suitable for cracks, root damage, and moderate collapse. 50+ year lifespan without excavation where pipe alignment is suitable.
Sewer Capacity Upgrades
Increase sewer diameter for property extensions, commercial developments, or multi-unit projects. Engineering design ensures adequate capacity, correct gradient, and Sydney Water compliance for increased flows.
Pump Station Installation
Install sewage pump stations where gravity drainage is impractical—basement developments, properties below sewer main, or flat sites. Complete electrical, control systems, and backup power solutions.
Sydney Water Approved Contractors
Panther Plumbing Group holds all required approvals and accreditations for major sewer works. Our drainage engineers and licensed contractors deliver compliant installations meeting Sydney Water standards and Australian plumbing codes.
Major Sewer Works Costs
Transparent project pricing for sewer infrastructure
Residential Sewer Main Replacement
Complete sewer main replacement for typical residential properties (15-30 metres). Includes excavation, new PVC pipes, Sydney Water connection, reinstatement. Pricing varies with depth, access, and surface type.
Pipe Bursting Replacement
Trenchless pipe bursting minimises excavation for sewer replacement under buildings or driveways. Break old pipes while installing new HDPE. Access pits at each end, minimal surface disruption.
Commercial Sewer Replacement
Large-scale sewer replacement for commercial properties, shopping centres, or multi-unit developments. Extended runs, larger diameter pipes, pump stations, and complex Sydney Water connections.
Strata Building Sewer Works
Shared sewer infrastructure replacement for apartment buildings and townhouse complexes. Staged works maintain resident access. Detailed reporting, strata compliance, and warranty documentation.
Emergency Sewer Reconstruction
Urgent sewer reconstruction for collapsed mains causing property damage. Temporary bypass pumping, emergency excavation, and permanent replacement. After-hours availability for critical failures.
What's Included In Major Sewer Projects
- ✓ Comprehensive CCTV investigation and engineering design
- ✓ Sydney Water applications and council permit coordination
- ✓ Professional excavation with safety and site management
- ✓ Quality materials meeting Australian Standards specifications
- ✓ Post-installation CCTV and pressure testing verification
- ✓ Complete surface reinstatement to existing or upgraded finishes
- ✓ Compliance certificates, as-built drawings, and comprehensive warranties
Sewer Replacement Projects Delivered
Real major sewer works across Sydney
Heritage Home - Hunters Hill
120-year-old heritage property with original earthenware sewer completely collapsed under heritage-protected garden. Sewage pooling underground, threatening sandstone foundations. Heritage restrictions prevented standard excavation.
Minimal-impact excavation with hand digging near heritage features. Replaced 22 metres of sewer with vitrified clay matching period construction. Heritage approvals coordinated. Garden restored to original layout. Certified by Heritage NSW.
Apartment Complex - Bondi Junction
24-unit building with 40-year-old shared sewer experiencing multiple collapses. Residents evacuated three times in 6 months. Owners corporation facing $150,000+ quote for full replacement including driveway reconstruction.
Pipe bursting technology replaced main sewer without removing driveway. Minimal excavation access pits only. Work completed over two weekends to minimise disruption. Total cost $68,000. Zero issues for 4+ years.
Shopping Centre - Parramatta
Food court sewer main undersized for 15 new tenants, causing daily overflows affecting trading. Council compliance notice issued. Urgent capacity upgrade required without closing centre.
Night works replaced 50m of sewer with larger diameter pipes. Temporary bypass pumping maintained operation during installation. New grease management system installed. Works completed in 3 weeks, zero trading days lost.
Industrial Site - Smithfield
Manufacturing facility with trade waste sewer corroded by chemical exposure. Multiple sections failed, contaminating site. EPA compliance investigation underway. Immediate replacement required.
Emergency response installed chemically-resistant HDPE sewer system. All contaminated soil excavated and disposed of to EPA standards. Trade waste pre-treatment system upgraded. EPA compliance achieved, operations resumed.
Coordinated Sewer Project Delivery
Professional management of all stakeholders and trades
Dedicated Project Manager
Single point of contact oversees all aspects—engineering, approvals, excavation crews, testing, and reinstatement. Daily progress updates, photo documentation, and stakeholder communication throughout the project.
Neighbour & Tenant Care
Advance notice letters, access coordination, and noise management minimise disruption. For strata properties, we present to owners corporations and maintain ongoing communication with building managers and residents.
Trade Coordination
We coordinate with concreters, landscapers, pavers, and other trades for seamless project delivery. Can manage all trades in-house or work with your preferred contractors—whatever delivers best outcomes.
Quality Reinstatement
Surfaces restored to match existing finishes or upgraded per client request. Professional concrete work, paving, asphalt, turf, and landscaping. All reinstatement warrantied and completed to Australian Standards.
From Investigation To Certification
Major sewer projects involve complex coordination of engineering, approvals, excavation, and reinstatement. Our project management expertise ensures compliant delivery on time and budget with minimal disruption to property occupants, neighbours, and operations.
Sewer Replacement FAQs
Common questions about major sewer works
When is sewer replacement better than relining?▼
Do you handle Sydney Water approvals?▼
Can residents stay on-site during sewer works?▼
How long do major sewer replacements take?▼
Do you reinstate landscaping and hard surfaces?▼
What warranties cover major sewer works?▼
Can you upgrade sewer capacity during replacement?▼
Do you service all property types?▼
Complete Sewer Infrastructure Solutions
Pair major works with ongoing maintenance
CCTV Drain Inspections
Monitor new sewer health and document condition for council and insurers. Pre-purchase inspections before property settlement.
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Drain Cleaning Programs
Maintain new sewers with preventative hydro jetting programs. Scheduled cleaning prevents blockages and extends infrastructure life.
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Commercial Plumbing
Integrate sewer upgrades with broader facility plumbing support—fixtures, hot water, gas, and compliance.
Learn MoreSydney Clients Rely On Our Sewer Expertise
Real experiences from major sewer project clients
"Our 90-year-old heritage home had original earthenware sewer completely collapsed. Panther Plumbing Group coordinated heritage approvals, excavated carefully around sandstone foundations, installed new sewer meeting modern standards. Professional project management throughout 2-week replacement."
"Apartment building sewer main failed under driveway—residents evacuated twice. Panther Plumbing Group used pipe bursting technology to replace entire sewer without removing driveway. Staged weekend works minimised disruption. 4 years later still perfect!"
"Commercial property sewer undersized for our expansion plans. Panther Plumbing Group engineered capacity upgrade, managed Sydney Water approvals, installed larger diameter main during shutdown period. Professional coordination with minimal business interruption."
Sewer Repairs Across Sydney
Major sewer works specialists for all Sydney suburbs
Plan Your Sewer Repair Or Replacement
Get engineered sewer solutions with comprehensive project management