Automotive Invoice Template - UK

Separating labour from parts is standard practice in UK automotive invoicing. List each part with description, quantity, and price, then show labour separately with an hourly rate or fixed charge. Example: "Front Brake Pads (2 units) £85" as a parts line, then "Labour: Brake Pad Installation (1 hour) £60" separately. This clarity helps customers understand costs, supports dispute resolution, and simplifies VAT calculations. It also aids record-keeping for your business and improves transparency when handling customer complaints or insurance claims.

Most automotive services and parts are subject to standard VAT (currently 20%) in the UK. However, some exceptions exist—for instance, certain safety-critical repairs or services covered by specific exemptions might qualify for different treatment. Generally, labour, spare parts, and diagnostic services all carry VAT. If your business is VAT-registered, you must include VAT on invoices. If your turnover is below the VAT threshold (currently £85,000), you may not be registered and won't charge VAT, but you still need to declare this on invoices. Check current HMRC guidance for your specific situation.

When customers supply their own parts, you should clearly document this on the invoice and adjust charges accordingly. Create a line item stating "Labour: Installation of Customer-Supplied [Part Name]" without charging for the part itself. Specify that the part was not supplied by your business and clarify your warranty or liability position regarding non-original components. This protects both parties and makes the transaction transparent. Note any recommendations about using OEM or approved parts. Request that customers provide receipts for supplied components, and consider limiting your warranty on work involving non-standard parts.

Parts descriptions should be specific enough for clarity but concise. Include the part name, relevant specifications (size, grade, compatibility if relevant), and part number if applicable. Example: "Castrol Edge 5W-30 Engine Oil (5L)" or "Front Brake Pad Set—Brembo Ceramic (Audi A4)" provides useful detail without being excessive. This level of specificity helps customers verify they received correct parts, supports your records if disputes arise, and aids warranty tracking. For generic items like filters or fluids, include the type and specifications. Avoid vague descriptions like "miscellaneous parts" or "supplies."

Yes, diagnostic fees should be clearly itemized as a separate line on your invoice. This is standard in UK automotive invoicing and reflects the professional time invested in identifying problems. You might charge a flat diagnostic fee (e.g., "Diagnostic Service—£45") or include it within the first service hour. Being transparent about diagnostic costs builds customer trust and justifies your expertise. If diagnostics lead to further work, some garages credit the diagnostic fee against repair costs as a goodwill gesture, which you should note on the invoice. This practice also clarifies costs if a customer decides not to proceed with repairs.

UK motor trade invoicing typically uses immediate payment or settlement within 7–30 days, depending on your business model. Private customers often pay on completion; trade accounts or fleet customers might receive 14–30 day terms. Specify your payment terms clearly on the invoice: "Payment Due: Upon Completion" or "Net 14 Days." Include payment methods (card, bank transfer, cash) to facilitate prompt settlement. For recurring customers, you might offer payment plan options. State any late payment consequences under the Late Payment of Commercial Debts Interest Act 1998 if applicable. Clear payment terms reduce disputes and improve cash flow.

Include warranty details either in an invoice notes section or as a separate line. State the warranty period and coverage scope clearly: "Parts Warranty: 12 months or 12,000 miles (whichever is sooner)" and "Labour Warranty: 90 days on workmanship." Specify exclusions (e.g., normal wear, accident damage) and conditions (e.g., correct maintenance required). This information protects both you and the customer by setting expectations upfront. Consider adding your business contact information for warranty claims. Some garages include a separate warranty certificate or terms document; referencing this on the invoice is helpful. Clear warranty terms reduce misunderstandings and future disputes.

A credit note is appropriate when you need to reverse or adjust a previously issued invoice—for example, if parts were overcharged, a service was incorrectly billed, or a customer paid for work not completed. Issue a credit note to remove or reduce the original charge, then optionally raise a new corrected invoice if charges differ. Credit notes maintain clear financial records and demonstrate proper accounting practices to HMRC. Don't simply reissue invoices with lower amounts; this creates confusion. If a customer returns parts, you might issue a credit for the return value. Always keep both the original invoice and credit note for audit purposes.