Ask a plumber what the job costs them and the answer runs longer than most expect. You front the money for wrenches and press jaws, for the drain camera that lives in the van, for the diesel between call-outs and the fittings you top up at the merchant. A good slice of that is claimable when you lodge. Another slice slips away every year because nobody held onto the docket. One question decides which pile a cost belongs to: did it help earn your wage, or is it something you would have paid for in ordinary life anyway?
The test behind every claim
Three conditions have to line up before anything counts.
Fall short on any one of the three and the deduction is dead, whatever your gut says. When a cost serves the job and your own life both, the weekend use of the van, the mobile that also takes family calls, you carve it up and keep only the portion that earned income, worked out fairly.
Tools and equipment
Most of the money is tied up in your tools. If you bought it for the work and wore the cost yourself, it's deductible, and the only thing to settle is how fast the deduction comes back.
Deducted in one hit the year of purchase. Hand tools, a spirit level, most wrenches sit comfortably below the line.
Written off bit by bit over the years it lasts, what the ATO terms decline in value. A drain camera or a press-tool kit lands here.
The claim doesn't stop at the purchase. Servicing, a portable-tool policy, hiring a jetter for a day, even the interest on gear you put on finance, all of it can come off too. Use a tool around your own place as well and you scale the claim back to the work share.
Protective and wet-weather gear
Anything that keeps you safe or dry on a job earns its place on the return: steel-caps, hi-vis, knee pads, waterproofs, heavy gloves, safety glasses, ear protection. When the work puts you on a roof or in an open trench for hours, sun protection joins the list. Everyday clothing does not. A plain shirt, jeans and ordinary boots stay out even if the boss insists on them and even if a shift under a house leaves them ruined.
Trousers wrecked crawling through a subfloor are still just trousers, and conventional clothing never qualifies.
Travel and vehicle costs
The morning drive to your depot or workshop is not deductible, and the pile of tools in the back changes nothing. The ATO reads that trip as private, the price of turning up rather than of doing the work. What flips it is movement the job itself demands: heading from one property to the next, a detour to the merchant for a part mid-shift, a run out to a training day.
There is a single way the home trip turns deductible. If the gear you must cart is genuinely bulky and there is nowhere secure to leave it, the drive can count, though the bar is high and the storage condition is where the claim usually collapses.
One flat rate on every work kilometre, up to the yearly ceiling. All it asks is a sensible record of the trips you drove.
Twelve weeks of records fix your work-use percentage, which you apply to real running costs. More effort, more back when the van is on the road constantly.
The deductions that get missed
It's the small, repeating costs that slip past, and a year of call-outs stacks them up:
What you can't claim
A handful of things feel deductible and never survive the ATO:
- The commute. Home to the depot and back is private, no matter the distance or how loaded the van is.
- Ordinary clothes. Plain shirts, jeans and everyday footwear miss out, trade colours or not.
- Your driver's licence. A work ticket can be deductible, but the licence you'd hold regardless stays private.
- The ticket that got you in. Your first plumbing or gas registration, and your first white card, predate any income from the trade, so they sit with breaking in rather than working. A course pointed at a different job is out as well.
The paper trail off the job
A missing docket takes a real deduction with it. The ATO expects written proof of what you spent, a twelve-week logbook if that's how you claim the van, and a note explaining any work-use split. Across a busy year the paper mounts: an invoice for a new drain camera, a fuel receipt from the merchant run, a backflow revalidation notice, a bill for a tool repair, the fortnightly Master Plumbers debit. The plumbers who claw the most back are simply the ones who capture each one on the spot, at the counter or in the cab, instead of raking through the glovebox the night before lodging. The ATO's free myDeductions app is a reasonable place to keep the basics.
The bottom line
A plumber's list of claims runs longer than most people bother to work through, but each item has to be one you paid for, put to earning your income, and can back with a record. Take the tools, the protective and wet-weather gear, the driving between jobs, the licence and backflow renewals. Drop the daily commute, the ordinary clothes, and the first tickets that opened the trade to you. Keep those two piles apart, hang onto the dockets, and the tax comes off only what remains once the real cost of the work is accounted for.
Total the tools, the protective gear and the between-job travel, and see what they're worth against your income and tax.
Related: deductions by occupation · income tax calculator. General information only, not tax advice. Check the ATO or a registered tax agent for your situation.