R.J. Sinclair has extensive experience in all project types, from simple residential additions to multi-million dollar commercial and industrial developments.

Multi Disciplined Design

Concept sketches, detailed design, Council approvals, specifications, construction documentation, etc. is all carried out in-house to meet each client’s specific needs for all project types.

All of our engineering designs are carried out by our engineering partners, and are fully certified for compliance with all relevant Australian and industry standards. All documentation is carried out in-house to ensure compatibility with the architectural design and to minimise costs to our clients.

Project Administration

Many of our clients are busy running other businesses and call on R.J. Sinclair to manage the building contractor in their behalf, allowing the client to concentrate day to day activities on normal business whilst we look after their interests on the building site and contractually.


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