Toowong, QLD
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Queensland Building and Construction Commission (QBCC)
Building Certifier
Licence #A1132869
Last verified: 4 April 2026
Mark Edward Duffy is a building certifier practice based in Queensland, holding unrestricted accreditation to certify all building classes. With unrestricted accreditation, they are authorised to certify all NCC building classes. Mark Edward Duffy is rated 4 out of 5 from 4 Google reviews and reachable at bspaus.com.au.
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