© Queensland Building and Construction Commission 2014. ABN 88 568 500 260 Queensland Government
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Defective work and disputes: Defective work
If your client believes the work you have done is defective, they can submit a complaint to us.
Defective building work usually falls into 2 categories:
- Structural – e.g. leaking roof, leaking shower, health and safety issues
- Non-structural – e.g. sticking drawer, minor cracking of plasterboard.
We may also look at complaints about consequential damage caused by building work.
Building Codes of Australia (BCA) Classes of buildings
Classification summary of buildings and structures
This list provides the definitions of Building Classes as set out in the Building Code of Australia.
Classes of Building |
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Class 1 |
Class 1a |
A single dwelling being a detached house, or one or more attached dwellings, each being a building, separated by a fire-resisting wall, including a row house, terrace house, town house or villa unit. |
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Builder Restricted to Shopfitting
Scope of work
- Building work associated with the internal fitout of a shop or office, including shopfronts, but not including Type A or Type B construction
- Prepare plans and specifications that are:
- for the licensee’s personal use, or
- for use in building work to be performed by the licensee personally.
The scope of work does not include:
Contractor complaints: Complaints against contractors
If you believe that a contractor is breaking the law and you have evidence, you can send in a complaint. To make sure you can go online or lodge a Notification of Offence form (PDF), see the ‘Complaints we don’t investigate’ page.
Also, be aware that we can’t investigate every complaint. To make the best use of our resources, we focus on areas where there is evidence and where consumers will be most at risk.
When we can and can't help
If your contractor doesn't want to fix work which you believe is defective after your contract is complete, we may be able to help.
Internal review : What is your role if you are an affected party?
If you are not the applicant for a review, you may be an affected party. That is, you will be affected by the internal review decision. This is because there is a possibility that the internal review decision will be different to the original decision in a way that may unfavourably (negatively) affect you.
It is in your best interest, as an affected party, to engage in the review process, respond to any requests for information made by the Internal Review Unit and provide the case officer with all the information you wish to be considered.
About Right to Information
We are committed to giving the community greater access to information held by the QBCC, unless there is a good reason not to provide that information.
Is the information you are looking for online?
Before making a Right to Information (RTI) request, check to see if the information is already available by searching:
Right to Information application
You can apply to access information held in our files about other individuals or companies. If you wish to access information that is a mixture of your personal information and that of other individuals or companies, you will need to make an application under RTI.
If you wish to apply as a company, one of the directors must provide identification.
Send in an application
Include:
Service Trades Council (STC): STC Members

Penny Cornah – Master Plumbers’ Association of Queensland (Chairperson)
Penny Cornah is the Executive Director of the Master Plumbers’ Association of Queensland (MPAQ).