John Cooper

Building Design & Interiors

  • Building Design
  • New Homes
  • Alterations & Additions
  • Small/Tiny Homes
  • Retail Design
  • Commercial Interiors
  • Joinery Design
  • Expert Witness

A professional building design studio servicing
Sydney and surrounding areas.

Our website is currently under development.

We are open for business and accepting new
enquiries.

PO Box 950, Randwick NSW 2031 (02) 9713 6726 0408 026 189 admin@jcbdi.com.au www.jcbdi.com.au ABN: 54 418 440 306

© 2026 John Cooper Building Design & Interiors