| Builders | State builder licensing (in NSW, a contractor licence from Building Commission NSW) and the Australian Consumer Law | The licensee’s name and licence number with its category on every page, deposits never promised beyond what the law allows, and no price or finish date that can’t be kept. |
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| Carpenters | State licensing: a NSW contractor licence or a QBCC licence above a dollar value, none yet in Victoria or the ACT | In NSW and Queensland the licensee’s name and licence number go on every page, and “licensed carpenter” only where the state licenses one. |
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| Bricklayers | Each state’s licensing body: Building Commission NSW, the QBCC, the BPC in Victoria and Consumer and Business Services in SA | The licensee’s name and licence number on the site, the services kept inside the licence category, and prices shown as the total including GST. |
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| Concreters | Each state’s building licence or registration, such as a NSW contractor licence for general concreting | The licensee’s name and licence number with its category on every page, prices as one total, and no promise that it won’t crack. |
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| Roofers | State contractor licensing: roof plumbing in NSW, roof tiling and roof and wall cladding in Queensland | The licensee’s name and licence number with its category beside the phone, warranties with their conditions, and no restoration or pressure cleaning offered on asbestos roofs. |
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| Plumbers | Building Commission NSW, the QBCC and each state’s plumbing regulator, with a licence needed at any job value | The licensee’s name, licence number and category on every page, the call-out fee as a total price, and anyone who smells gas sent to the distributor or 000 first. |
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| Electricians | State electrical licensing (Building Commission NSW, Energy Safe Victoria, the Electrical Safety Office in Queensland) | The contractor licence number goes on the website in the state’s format with the licensee’s name, and any call-out fee is shown with the total. |
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| Air conditioning | State trade licensing (Building Commission NSW, QBCC) and the Australian Refrigeration Council | The state licence number on every page, both ARC licences named for what they are, and prices shown as totals including GST. |
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| Painters | State licensing: the QBCC in Queensland, a contractor licence in NSW, registration in WA | The licensed name, licence number and category of work on the site wherever the state licenses painting, and prices as totals including GST. |
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| Tilers | State licensing: NSW wall and floor tiling and waterproofing licences, QBCC classes in Queensland, limited registration in Victoria | The licensee’s name, number and categories beside the phone in NSW and Queensland, a per square metre rate only with what it covers, and no “certified” waterproofing claims. |
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| Plasterers | State building regulators: Building Commission NSW, the QBCC and others | The licensee’s name, licence number and category on every page, total prices only, and real reviews. |
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| Cabinet makers and kitchens | Each state’s building licence rules (NSW contractor licence for joinery and kitchen renovation), and the national engineered stone ban | The licence number and category on every page, prices shown as totals, and only the benchtops that can still be supplied. |
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| Landscapers | Each state’s building regulator (structural landscaping is licensed building work in NSW, Queensland and SA) | The licensee’s name, number and category on the page, approvals checked before a wall is quoted, and design fees shown with their conditions. |
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| Fencing | State contractor licences (NSW, Queensland and SA want the number in every ad), and dividing fences law | Licensee name and licence number on every page, COLORBOND® steel named as the product it is, prices per metre with what they include, and no claims to certify pool fences. |
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| Handymen | No handyman licence in any state; the state building regulators set what needs one | No electrical, plumbing or gas on the service list, no “licensed” without a licence, and in Queensland the value limit stated on the page. |