Architectural Design

DA/CDC Documentation

Sydney & Western Sydney

Clear, accurate plans and approval support for homes, duplexes and developments across Sydney & Western Sydney.

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Our Services

Custom Home
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Duplex
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Granny Flat
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Architectural Design
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Drafting & Documentation
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Our Residential Design & Drafting Work Across Sydney

Why Clients Choose Us

  • Fast Reliable DA/CDC Documentation

  • Clear, buildable plans your builder will appreciate

  • Local expertise in Western Sydney councils

Sydney’s Trusted

Building Designers

★★★★★

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About Trinity Design
& Planning

We’re a Sydney-based building design studio specialising in clear, accurate residential plans that support efficient approvals and smooth construction. We guide you through the entire design and documentation process.

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Suburbs We Serve

  • Fairfield West

  • Fairfield

  • Smithfield

  • Parramatta

  • Bankstown

  • Campbelltown

  • Blacktown

  • Cabramatta

  • Liverpool

  • Inner West Sydney

  • And surrounding suburbs.

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