Trusted Underpinning
Across South Australia
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How Underpinning Works in South Australia
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Underpinning Pricing in South Australia
| Service | Min | Max | Avg |
|---|---|---|---|
Foundation Crack Repair Repairs small to medium cracks | $5,000.00 | $10,000.00 | $7,500.00 |
Complete Underpinning Service Full structural support solution | $15,000.00 | $25,000.00 | $20,000.00 |
Partial Underpinning Targets specific problem areas | $10,000.00 | $18,000.00 | $14,000.00 |
Screw Pile Installation Includes engineering and installation | $12,000.00 | $20,000.00 | $16,000.00 |
Concrete Slab Stabilisation Stabilises and reinforces slabs | $8,000.00 | $15,000.00 | $11,500.00 |
Prices vary by job scope, access, and timing. Get personalized quotes for accurate pricing.
Underpinning Licensing & Rules in South Australia
Important regulations and resources to help you hire with confidence in South Australia.
Building contractor licence
Individuals and businesses performing or organising building work must hold a building work contractor licence. Applicants must meet financial requirements and ensure work is supervised by a registered building supervisor.
Building indemnity insurance
For domestic building work costing $12,000 or more (increasing to $20,000 in Nov 2025), contractors must obtain building indemnity insurance before starting work. The certificate must be provided to the owner and council.
Building consent required
Under the Planning, Development and Infrastructure Act 2016, building work requires building consent. Consent ensures compliance with the Building Code and Ministerial Building Standards and must be obtained before work commences.
General construction induction card
All construction workers must have a White Card. Training must be completed through an approved provider.
Engineer certification
Underpinning should be designed and supervised by a structural engineer. Certification demonstrates compliance with the National Construction Code and relevant standards.
Public liability and workers insurance
Maintaining public liability and workers compensation insurance is recommended to protect against injury or property damage claims.
Helpful Resources
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