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Section 73 certificates

Obtaining a Section 73 certificate is a critical step in property development. We take the hassle out of the process, liaising with Sydney Water from initial consultation through to final approval.

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Sydney WaterAccredited S2 & W2
Approvals ManagedWe liaise with the authorities
Tested & CertifiedFull compliance documentation
ISO Certified9001 · 14001 · 45001
What’s included

We handle the paperwork and the works

Delivered end to end by our own accredited crew — from approvals through to final certification.

  • Review of your development plans
  • Application preparation and submission
  • All liaison and follow-up with Sydney Water
  • Advice on any additional requirements
  • Delivery of any required water and sewer works
  • Final approval and certification
Section 73 Certificates works
S2 & W2Sydney Water Accredited
Our Process

How we deliver it

From reviewing your plans to handing over your certificate, we keep your development on track.

01

Review of Development Plans

We assess your project’s water and sewer requirements.

02

Application Preparation & Submission

We prepare all necessary documents and submit them to Sydney Water.

03

Liaison & Follow Up

We handle all communications with Sydney Water to facilitate a smooth approval.

04

Guidance on Additional Requirements

If modifications are needed, we provide expert advice to ensure compliance.

05

Final Approval & Certification

Once approved, you receive your Section 73 Certificate for property registration.

The K3 Plumbing Services crew
The K3 CrewTrained · Safe · Accredited
Why K3

Why choose K3 for Section 73 certificates?

01

Sydney Water Expertise

We navigate the application process with precision.

02

Hassle-Free Approvals

We liaise with Sydney Water on your behalf.

03

Efficient & Reliable

Keeping your project on track and within budget.

04

Compliance Assurance

Ensuring your development meets all regulations.

FAQs

Common questions

Can’t see your question here? Our team is happy to talk through your project.

Let us handle your Section 73

Ensure a smooth and efficient certification process. Contact us today to get started.

0434 475 603 Mon–Fri 8:00am – 4:00pm Request a Quote
What is a Section 73 Certificate?

A Section 73 Certificate is issued by Sydney Water to confirm that a development’s water and sewer infrastructure complies with their requirements. It is a mandatory step for property registration.

When do I need a Section 73 Certificate?

You need a Section 73 Certificate when subdividing land, building multi-residential developments, or undertaking significant property changes that impact water and sewer services.

How long does it take to obtain a Section 73 Certificate?

The timeline varies depending on Sydney Water’s assessment and any required infrastructure adjustments. Typically it takes a few weeks, and our team keeps the process moving as quickly as possible.

Can K3 handle the entire application process?

Yes. We manage everything from reviewing your development plans to submitting your application and liaising with Sydney Water to secure approval.

What happens if my application requires additional work?

If Sydney Water requests modifications, we provide expert guidance and can complete the necessary work to keep your project on track.

Got a water or sewer job coming up?

Talk to a Sydney Water accredited team about scope, approvals and timing.

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