Timothy Claude Colquhoun
- Licence
- 15576337
- Type
- Individual
- Based in
- Glen Iris VIC 3146
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 15576337
What this licence covers
Gasfitting
Trade Contractor Licence
Can contract for this work
Plumbing and Drainage
Trade Contractor Licence
Can contract for this work
Mechanical Services - Medical Gas
Mechanical Services Occupational
Supervisor or occupational licence, can’t contract with you directly
Mechanical Services - Plumbing
Mechanical Services Occupational
Supervisor or occupational licence, can’t contract with you directly
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, Plumbing and Drainage, Mechanical Services - Medical Gas and Mechanical Services - Plumbing 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 Timothy Claude Colquhoun
Is Timothy Claude Colquhoun licensed with QBCC?
Yes. Timothy Claude Colquhoun holds QBCC licence 15576337, and it was on QBCC’s register published 5 Nov 2026. Check QBCC’s own record for licence 15576337 to confirm today’s status before you sign or pay a deposit.
What work is Timothy Claude Colquhoun licensed to do?
Timothy Claude Colquhoun holds 4 licence classes: Gasfitting, Plumbing and Drainage, Mechanical Services - Medical Gas and Mechanical Services - Plumbing. 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. Mechanical Services - Medical Gas: For installing and servicing medical gas systems, such as the oxygen lines in hospitals and clinics. Mechanical Services - Plumbing: For building, installing, repairing, servicing and testing a building's heating and cooling systems. 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 Timothy Claude Colquhoun directly?
For Gasfitting and Plumbing and Drainage, yes. For Mechanical Services - Medical Gas and Mechanical Services - Plumbing, Timothy Claude Colquhoun holds a supervisor or occupational licence, so that part of the work has to be contracted through a licensed contractor. The name on your quote and contract should be Timothy Claude Colquhoun, the licence holder.
Has Timothy Claude Colquhoun had a QBCC suspension or cancellation?
None recorded since 1 July 2026. We check QBCC’s suspension and cancellation files every day, and licence 15576337 hasn’t appeared in them since our record began.
Where is Timothy Claude Colquhoun based?
QBCC’s register lists Timothy Claude Colquhoun in Glen Iris VIC 3146. A QBCC licence covers work anywhere in Queensland, so they can take on jobs outside Glen Iris.
What is Timothy Claude Colquhoun’s QBCC financial category?
QBCC lists Timothy Claude Colquhoun 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.