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Dettmann Constructions Pty Ltd

Name as registered with the Building and Plumbing Commission
ABN
31 174 159 899
ACN
130 057 055
BPC registration
CDB-U 48748
Registered as
Company
Overview
1 item needs your attention — here's what the public record shows.

Verified

ABN is active and GST-registered
No disciplinary or prosecution actions on the BPC register

Needs attention

Registration is not current — it may be expired, suspended or surrendered

Check at the source

Domestic Building Insurance eligibility — check on BuildVic
Court cases, insolvency, ACCC, ASIC & WorkSafe — check the linked registers
Compiled from public records · as at 24 Aug 2026Facts only — not a rating or recommendation
Registered name
DETTMANN CONSTRUCTIONS PTY LTD
Registered as
Company
Domestic Builder - Unlimited
VIC · CDB-U 48748 · Surrendered · expires 13 Dec 2024flag
What this means: No current builder registration is showing. It is illegal to carry out domestic building work over $10,000 without current registration — do not enter a contract until you confirm registration is current. Always confirm current registration for your project on the official BPC register.
Source: Building Practitioner Register, Building and Plumbing Commission (via DataVic) · as at 24 Aug 2026
Entity name
The trustee for Dettmann Family Trust
ABN
31 174 159 899
ABN status
Active — GST registeredok
ABN status from
1 Jan 2011
Entity type
Discretionary Trading Trust
Registered location
VIC 3444
What this means: These are the ABN-registered details for this entity. Check the name here matches the builder named on your quote, contract and insurance certificate.
Source: Data provided by the Australian Business Register. · as at 24 Aug 2026

Frequently Asked Questions

Is Dettmann Constructions a registered builder in Victoria?

As at 24 Aug 2026, no current builder registration is showing for Dettmann Constructions on the Building and Plumbing Commission register. Confirm directly on the official BPC register before entering a contract.

Does Dettmann Constructions have any disciplinary or prosecution records?

As at 24 Aug 2026, Baserock found no disciplinary or prosecution actions for Dettmann Constructions in its snapshot of the BPC's published register. This is a summary of public records, not a clearance — confirm on the official register.

What type of building work can Dettmann Constructions legally perform?

As at 24 Aug 2026, the BPC register lists Dettmann Constructions in the following class: Domestic Builder - Unlimited. An Unlimited class has no contract-value cap on that type of domestic building work. Always confirm the current class on the official BPC register.

How can I verify Dettmann Constructions's building registration?

Search the official Building and Plumbing Commission register at vba.vic.gov.au/tools/find-practitioner by name or registration number. Baserock's report summarises public records and is not a substitute for the official register.

What is Dettmann Constructions's ABN, and is it active?

Dettmann Constructions's ABN is 31 174 159 899. As at 24 Aug 2026, the Australian Business Register records this ABN as Active, and GST registered.

Are you this builder? If anything here is out of date or incorrect, email hello@baserock.com.au and we'll review it against the source record.

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How to read this report.Baserock compiles publicly available and licensed records into a plain-English summary of what's on file. It reports facts as at the dates shown — it is not a rating, recommendation, or guarantee, and it doesn't replace confirming details directly with the Building and Plumbing Commission, reading the full records, or getting your own contract and legal advice before you sign. A listing on any register is a record, not a finding.
Australian Business RegisterBPC Building Practitioner RegisterASIC · Published Notices & Banned/DisqualifiedAFSA · Bankruptcy Register (paid)AustLII · VCAT decisionsDBI · VMIA / BPCReviews data from Google.

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