Who We Are

Accurate design. Clear documentation. Smooth approvals.

At Trinity Design & Planning, we deliver practical architectural design and drafting services for homeowners, builders and developers across Western Sydney. We specialise in new homes, duplexes, multi-residential developments and full DA/CDC documentation.

Our focus is on accuracy, compliance and clear communication. Every plan is drafted to millimetre precision and tailored to meet NSW planning requirements, ensuring your project moves from concept to approval with confidence.

We understand local council controls, site constraints and Western Sydney conditions allowing us to design smarter, faster and with fewer delays. Whether you're building, renovating or developing, we provide the documentation and guidance to get your project approved and built correctly.

Based in Western Sydney. Serving NSW.