Owner Builder Guidance

Guiding Owner Builders from Plans to Perfection

Owner-Builder Guidance in Western Australia

Thinking of building or renovating your own home in WA? At LET, we provide expert guidance and support for owner-builders across Western Australia—from initial approvals to final inspections. Whether you’re planning a granny flat, shed, or a full home extension, we help you navigate the legal, technical, and practical requirements with confidence.

What Is an Owner-Builder?

An owner-builder is someone who takes responsibility for managing and constructing building work on their own property, valued over $20,000, without engaging a registered builder. This includes:
  • Class 1a dwellings – single homes, extensions, granny flats
  • Class 10 structures – sheds, patios, garages, carports
  • Small commercial buildings – up to 500m² and two storeys

What You Need to Know

To become an owner-builder in WA, you must:
  • Own or have legal interest in the land
  • Intend to live in or use the property after construction
  • Complete an approved owner-builder course or hold relevant industry registration
  • Apply for Owner-Builder Approval from the Building Services Board
  • Obtain a Building Permit from your local council

Your Responsibilities

As an owner-builder, you are legally responsible for:

  • Ensuring compliance with the National Construction Code
  • Managing trades, contracts, and site safety
  • Holding appropriate insurances (e.g. home indemnity, public liability)
  • Scheduling inspections and obtaining occupancy certificates

Important Notes

  • Owner-builder approval is valid for six months unless a building permit is granted
  • You can only apply for owner-builder status once every six years (exceptions apply)
  • Projects under $20,000 still require permits but not owner-builder approval

Why Choose Our Service?

We simplify the process by offering:

  • Step-by-step guidance through approvals and documentation
  • Drafting services (site plans, elevations, engineering)
  • Energy efficiency and bushfire assessments
  • Liaison with local councils and certifiers
  • Retrospective approvals for existing structures

Frequently Asked Questions

Do I need a license to be an owner builder in WA?

Yes. In Western Australia, you’ll need an Owner Builder approval from the Building Commission for most projects over a set value.

Absolutely. We provide guidance on documentation and help you understand the approval process.

Yes, many clients save significantly on labour and project management costs, especially with the right advice.

Yes, we provide a wide range of trade supplies at affordable rates, helping you source everything you need in one place.

Ready to start your owner-builder journey? Contact LET today for a free consultation and let us help you build with confidence.

Our Services

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    Why Choose Let ?

    We deliver reliable building services with integrity, ensuring every project meets expectations and creates lasting value, while providing trusted support, expert guidance, and quality solutions across Perth.

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    Our team follows strict professional standards, ensuring every project is handled with care.

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    We deliver trusted quality workmanship and materials, giving you confidence and long-term satisfaction.

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    Happy Customers

    Michael

    I recently used LET PTY LTD for a pre-purchase building inspection. Their attention to detail and clear reporting gave me peace of mind. Professional, friendly, and highly reliable, I would recommend their services to anyone looking for quality.

    ☆ ☆ ☆ ☆ ☆
    Sarah

    Working with LET PTY LTD was an excellent experience. The team guided us through every stage of our renovation project, ensuring everything was smooth, professional, and completed on time. We couldn’t be happier with the final results.

    ☆ ☆ ☆ ☆ ☆
    Emily

    From home loan assistance to reliable trade supplies, LET PTY LTD supported us with everything we needed. Their professionalism, quality work, and honest communication truly made our building journey easy, stress-free, and very rewarding. Highly recommended!

    ☆ ☆ ☆ ☆ ☆

    Want to Start a Fresh Project with LET?

    Start your project today with our trusted Perth team, offering expert guidance, reliable services, and quality solutions to help you achieve lasting results confidently.
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