Narangba, QLD
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Queensland Building and Construction Commission (QBCC)
Building Certifier
Licence #A68116
Last verified: 4 April 2026
Christian James Diggles is a building certifier practice based in Queensland, providing building certification, inspection, and compliance services. Christian James Diggles is rated 4.4 out of 5 from 71 Google reviews and reachable at www.dgcertifiers.com.au.
I recently contacted Darryl for some advice about a renovated property I was planning to purchase. He was extremely helpful, patient, and willing to answer my questions. He gave me clear direction and helped me understand what steps to take next, which made me feel much more confident and reassured during the process. His professionalism, knowledge, and friendly approach really stood out to me. Darryl is a fantastic building certifier, and if you ever need guidance or support, I highly recommend reaching out to him. You’ll be in very good hands.
Very professional and friendly team to deal with. Thank you Debbie and Darryl for the great service and a smooth process from start to finish.
Darryl was highly professional & understanding. He provided excellent advice and insights from his considerable experience, which allowed me to make a secure & valuable decision. He gave his time freely to help me understand the options ahead of me. Can't thank him enough. Highly recommend.
Debbie and Darryl I can't speak highly enough of how you guys have managed my shed project over the last year. They turned what seemed like a complex task into a straightforward process. Their professionalism, expertise, and commitment to customer satisfaction are exceptional. They also had to deal with over a hundred emails and phone calls from me but would always walk away with an answer. If you need certification services, look no further – they're the best in business!
Darryl and Debbie were extremely professional and provided great service and advice. I had some challenges to overcome and they helped me achieve the desired results. Highly recommend them to anyone! Thanks again D&G Certifiers 👍👍