While it’s their job to make sure your pipes work like a well-oiled machine, it’s not their job to rebuild the wall they had to demolish to make that happen. So, while you’re going to get that water problem fixed, you’ll want to discuss in detail what kind of “mess” they might leave behind prior to the start of the project so you can plan accordingly. Remember, there are some jobs you can do yourself. Here’s how to solder copper pipe joints!
Plumbers in Australia have licensing requirements that differ from state to state but it is generally accepted a 4-year apprenticeship with a further minimum experience of 2 years (6 years total) and a further curricular requirement as a benchmark for licensing. Licensed plumbers are also expected to maintain minimum relevant training requirements to maintain their plumbing license