Electrician Invoice Template - New Zealand

New Zealand invoices must show GST separately at 15% of the subtotal unless you're GST-exempt. Your invoice should clearly display the subtotal (including labour and materials), GST amount, and total payable. The template automatically handles these calculations—ensure all pricing is entered excluding GST so the system can accurately add the tax. Most NZ electrical contractors use GST-registered businesses because it helps manage tax obligations and appears more professional to clients. Always verify your GST-exempt status if applicable, as this affects how you present charges on the invoice.

Describe services specifically enough for the client to understand the work completed and for your tax records to be clear. Rather than vague entries like "electrical work," itemise as "Safety switch installation—2 units" or "Power point installation—4 outlets." This clarity helps with dispute resolution, warranty claims, and tax audits. Include quantities and rates separately so clients see the breakdown of labour and materials. Detailed descriptions also protect you if a client questions charges, as they show exactly what was completed and at what cost.

Yes. Diagnostic visits, site inspections, and fault-finding services are legitimate charges that should appear on your invoice. Many NZ electricians charge a fixed diagnostic fee or hourly rate for troubleshooting before quoting repair work. Clearly label this as "Electrical inspection and testing" or "Fault diagnosis" so the client understands they're paying for professional assessment, not just parts. If the client proceeds with repairs, you can credit or waive the diagnostic fee as an incentive. This approach sets clear expectations and compensates you for expert time even if the client declines further work.

Travel and site visit charges are acceptable in New Zealand, though they're less common than labour rates. If you include them, disclose the charge upfront, especially for call-outs to regional areas. Some electricians charge a flat call-out fee (e.g., $50–$75), while others include travel costs in their hourly rate. Your invoice should clearly separate call-out fees from service labour so clients understand the complete cost breakdown. Being transparent about travel charges builds trust and prevents billing disputes later.

While not legally required on every invoice, displaying your license number or registration details builds client confidence and demonstrates professional credibility. Many NZ electrical contractors include their registration with the Registered Master Electrician scheme or relevant trade qualification on invoices. This is particularly important for safety-critical work or larger commercial projects where clients may verify your qualifications. Including your license number can also protect you legally by proving competence if disputes arise. Check your professional body's guidelines—some may recommend or require it.

A Certificate of Compliance (CoC) is a legal safety document required for certain electrical work in New Zealand—it's separate from your invoice but both should reference the same work. Your invoice should describe the work that requires a CoC (e.g., "full house rewire" or "installation of new switchboard"), and you should provide the CoC as supporting documentation once the work is complete and inspected. Never invoice for work that requires a CoC without ensuring the certificate will be issued by a licensed electrician. This protects both you and your client legally and ensures compliance with New Zealand electrical safety standards.

Both approaches work; the best choice depends on the job type and client expectations. Fixed rates work well for routine tasks like installing power points or safety switches—clients prefer knowing the total cost upfront. Hourly rates ($80–$150+/hour in NZ) suit diagnostic work, fault-finding, or complex jobs where duration is unpredictable. Many electricians use fixed rates for standard services and hourly rates for troubleshooting. Your invoice should clearly state which method applies to each line item, and you can mix both approaches on the same invoice depending on the service.

Include any workmanship warranty or guarantee period in your invoice terms or as a separate note—typically 12 months for installations. This sets client expectations about coverage and protects you by defining what you will and won't fix after completion. Clearly state whether the warranty covers parts only, labour only, or both. Warranty terms should specify conditions (e.g., not covering misuse or modifications by the client). Transparency about guarantees on your invoice builds trust, reduces disputes, and demonstrates professionalism in the NZ electrical market.