Free template · Plumbers

Free plumber invoice template (Australia)

Plumbing invoices swing between fixed-price jobs ("replace hot water system: $1,850") and do-and-charge (hours plus parts). A good template handles both on the same page, shows your plumbing licence number, and keeps emergency or after-hours rates on their own line so the customer sees exactly what they're paying for.

This free template is ATO-correct out of the box ("Tax Invoice" heading, ABN, GST per line, correct rounding) and includes a payment box for your BSB and account so money lands in your account, not an app's holding account.

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A plumber invoice, done right

TAX INVOICE

Harbour City Plumbing

ABN 27 665 019 448

INV-0292

Issued: 16 August 2026

To: M. Petrov, 8/22 Corella Ct Frankston VIC

DescriptionQtyUnit (ex GST)GSTAmount
After-hours call-out (burst flexi hose, isolate & replace)1$245.00$24.50$269.50
Supply & install 250L electric hot water system (fixed price)1$1,680.00$168.00$1,848.00
Remove & dispose old unit1$120.00$12.00$132.00
Tempering valve replacement1$145.00$14.50$159.50
Subtotal (ex GST)$2,190.00
GST$219.00
Total (inc GST)$2,409.00

Lic. VIC 110384. Compliance cert #A4471920. Due on receipt.

Trade-specific rules

GST notes for plumbers

Plumbing Services: call-out driven work where emergency rates, fixed-price jobs and do-and-charge all appear on the same week's invoices.

  • Fixed-price and do-and-charge lines can sit on the same Tax Invoice. GST rules are identical; only your pricing method differs.
  • Show after-hours or emergency surcharges as separate lines. It's clearer for the customer and protects you in a fee dispute.
  • Your plumbing licence number belongs on the invoice; insurers and real-estate agents ask for it, and compliance certificates should match the invoicing entity.

Word, Excel or Google Docs

Using this plumber invoice template in other formats

Microsoft Word

Recreate the PDF’s structure with a 5-column table (description, qty, unit price, GST, amount). Keep the words “Tax Invoice” as the document title, your ABN under your business name, and add a totals block of subtotal / GST / total. Word’s tables won’t calculate GST for you, so double-check every amount: a wrong GST figure is the most common Word-template mistake we saw in real plumber invoices.

Excel / spreadsheets

Excel handles the maths: set GST per line to =ROUND(qty*unit*0.1, 2) for GST-inclusive work, and total to subtotal + GST. The trap is what Excel doesn’t do: it won’t stop you issuing two invoices with the same number, and PDFs exported from spreadsheets often crop columns, so always check the print preview before sending.

Google Docs

Same structure as Word. One advantage: a single master doc you copy per invoice keeps your numbering sequential. One warning: sharing the live doc link instead of a PDF lets the amounts change after sending, so always download as PDF before it goes to the customer.

Honestly? Every format above still means retyping your details each time. The free invoice generator fills the same ATO-correct layout in your browser and downloads the PDF, no signup required.

Related

Before you send it

Fair questions

FAQ

Do plumbers charge GST on emergency call-out fees?

Yes. If you're GST-registered, call-out and after-hours surcharges are taxable supplies with 10% GST, shown per line like everything else.

Fixed price or hourly: does the invoice change?

No. A fixed-price job is one line with one amount; do-and-charge is hours × rate plus parts. Both need the same ATO elements: Tax Invoice heading, ABN, date, description, GST.

Should my invoice show the compliance certificate number?

Where the job required one (hot water, gas, drainage), referencing the certificate number on the invoice keeps your paper trail aligned, and agents and strata managers love it.

Invoices in 60 seconds, from your phone

Dinkum Invoice is a free unlimited invoicing app built for Aussie plumbers: ATO-correct every time, no invoice caps, and your records stay yours forever. Create an account to lock in the $9/mo BAS tier for life.

More free stuff: the invoice generator, the plumber invoice example, or templates for other trades.