Quick answer
A gas fitter invoice in Australia should include your business details (including ABN and licence number), an invoice number, dates, a clear description of the work (appliance, call-out, labour, parts), any compliance certificate issued, GST (if registered), and payment terms.
Use the copy/paste template below, or send it faster with Free Invoice App (Starter plan includes 7 sends/month, no credit card).
The solution (manual first, then faster)
Option A: Use a manual template (good in a pinch)
Manual templates work on-site when you just need something you can copy into an email or PDF.
Option B: Use Free Invoice App (faster, more consistent)
- Save the client and job once, reuse forever
- Generate a clean PDF instantly
- Email invoices and track status (draft / sent / paid)
- Upgrade only when you need it: Starter (7 sends/month), Pro (250 sends/month), Pro+ (unlimited + custom domain + team)
Free gas fitter tax invoice template (copy/paste)
Copy this into a document. If you’re GST-registered, label it “Tax Invoice” and include GST amounts.
TAX INVOICE (if GST-registered) From: Business name: [Your Gas Fitting Business Name] ABN: [Your ABN] Licence No.: [Gasfitting Licence] Phone: [Phone] Email: [Email] Bill To: Client name: [Client Name] Site address: [Job Address] Email: [Client Email] Invoice details: Invoice number: [INV-0001] Invoice date: [DD/MM/YYYY] Due date: [DD/MM/YYYY] Work completed: - [Call-out fee] $[amount] - [Labour: 2 hrs @ $X/hr] $[amount] - [Appliance: install gas cooktop] $[amount] - [Parts: regulator / fittings / hose] $[amount] - [Compliance certificate] $[amount] Subtotal (ex GST): $[amount] GST (10%): $[amount] (only if GST-registered) Total: $[amount] Payment terms: - Payment due on completion / within [7] days - Bank transfer to: [Account name / BSB / Account] - Reference: Invoice number Notes: - Compliance certificate no. [____] issued. - Thanks for your business.
Licence number and compliance certificates
Gas work is licensed work. Show your licence number on the invoice and reference any compliance/certificate of compliance you’ve issued for the job — it’s good practice and reassures the customer the work is certified.
What needs to be on a gas fitter’s tax invoice in Australia?
- Words “Tax Invoice” (if GST-registered)
- Your business name, ABN and licence number
- The invoice date and a unique invoice number
- A description of the work, parts and any compliance certificate
- The total amount payable
- GST amount (or that the total includes GST)
Note: This is general information and not tax advice.
Features gas fitters tend to use most
- Mobile PDFs: create and email the invoice before you leave the job.
- Scheduled sending (Pro): queue invoices for end of day.
- Add expenses: track parts and fittings so your margin is clear.
- Recurring (Pro): handy for regular servicing contracts.
Conclusion: send your gas fitting invoice today
Copy/paste the template above if you just need something quick. For PDFs, email sending, and tracking, Free Invoice App handles the full workflow.