Leif Therkildsen
- Licence
- 15605891
- Type
- Individual
- Based in
- Gilston QLD 4211
On the QBCC register
According to QBCC’s data published 5 Nov 2026.
Holds a contractor licence, so can sign a contract with you directly.
No suspensions or cancellations recorded since 1 July 2026.
QBCC’s record for licence 15605891
What this licence covers
Gasfitting
Trade Contractor Licence
Can contract for this work
Plumbing and Drainage
Trade Contractor Licence
Can contract for this work
Financial category: Self Certification - Trade. QBCC uses financial categories to set the most a licensee can turn over each year. What the categories mean
Licence record
-
5 Nov 2026
Checked: on the register
Gasfitting and Plumbing and Drainage all listed.
-
1 July 2026
Start of this record
QBCC’s lists of suspensions and cancellations start each financial year. We keep a daily copy, so this record grows over time.
Questions about Leif Therkildsen
Is Leif Therkildsen licensed with QBCC?
Yes. Leif Therkildsen holds QBCC licence 15605891, and it was on QBCC’s register published 5 Nov 2026. Check QBCC’s own record for licence 15605891 to confirm today’s status before you sign or pay a deposit.
What work is Leif Therkildsen licensed to do?
Leif Therkildsen holds 2 licence classes: Gasfitting and Plumbing and Drainage. Gasfitting: For gas fitters. It covers installing, testing and repairing gas systems in any building. Plumbing and Drainage: For plumbing businesses. It covers the water, waste and drainage systems in any building, plus gutters, roofing and skylights. Check that the class matches your job. Work outside these classes needs another licensed contractor.
Source: QBCC: Gasfitting licence
Can I sign a contract with Leif Therkildsen directly?
Yes. Leif Therkildsen holds a contractor licence for Gasfitting and Plumbing and Drainage, so you can sign a contract with them directly. The name on your quote and contract should be Leif Therkildsen, the licence holder.
Has Leif Therkildsen had a QBCC suspension or cancellation?
None recorded since 1 July 2026. We check QBCC’s suspension and cancellation files every day, and licence 15605891 hasn’t appeared in them since our record began.
Where is Leif Therkildsen based?
QBCC’s register lists Leif Therkildsen in Gilston QLD 4211. A QBCC licence covers work anywhere in Queensland, so they can take on jobs outside Gilston.
What is Leif Therkildsen’s QBCC financial category?
QBCC lists Leif Therkildsen in the financial category “Self Certification - Trade”. QBCC uses the category to set the most a licensee can turn over each year. A very large job from a contractor in a small category is worth a question.