Understanding VAT for Motor Trade Businesses

VAT is one of the most complex areas of taxation for motor trade businesses. Between standard-rated supplies, the VAT margin scheme on used vehicles, zero-rated exports, and the intricacies of mixed supplies, it is easy to get confused — and getting it wrong can be expensive. HMRC takes a close interest in the motor trade, so compliance is essential.

This guide covers the key VAT rules that every UK garage owner needs to understand. It is not a substitute for professional accounting advice, but it will help you ask the right questions and avoid common pitfalls.

You must register for VAT if your taxable turnover exceeds £90,000 in any rolling 12-month period (as of April 2026). Most established garages are well above this threshold.

Key points:

• Voluntary registration — Even if you are below the threshold, voluntary registration lets you reclaim VAT on purchases (parts, equipment, tools). This often makes financial sense.
• VAT periods — Most businesses submit quarterly VAT returns. Making Tax Digital (MTD) requires digital record-keeping and online submission.
• Cash accounting scheme — If your turnover is below £1.35 million, you can use cash accounting, meaning you only pay VAT when you receive payment rather than when you issue the invoice. This is helpful for cash flow.
• Flat rate scheme — Some smaller garages benefit from the flat rate scheme, where you pay a fixed percentage of turnover (typically 8.5% for vehicle repair) instead of calculating input and output VAT separately.

Standard workshop operations are straightforward:

• Labour — Standard rated at 20%. Your labour charge to the customer includes VAT.
• Parts — Standard rated at 20%. You charge VAT on parts supplied and reclaim VAT on parts purchased from suppliers.
• Sublet work — If you subcontract work (e.g., machine shop, specialist repair), the subcontractor charges you VAT, which you reclaim. You then charge VAT on the full amount billed to the customer.

Always ensure your invoices show VAT separately. HMRC requires VAT invoices to include your VAT registration number, the tax point (date of supply), the net amount, the VAT amount, and the gross total.

If you buy and sell used vehicles, the VAT margin scheme can save significant money:

• How it works — Instead of charging VAT on the full selling price, you only pay VAT on the profit margin (selling price minus purchase price).
• Eligibility — The scheme applies to used vehicles purchased from non-VAT registered sellers (private individuals, non-VAT registered businesses). It does not apply to vehicles purchased from VAT-registered businesses where VAT was charged on the purchase.
• Record keeping — You must maintain a stock book showing purchase price, selling price, and margin for each vehicle. HMRC audits these records closely.
• Important note — Under the margin scheme, you cannot show VAT separately on the sales invoice. The price is simply the gross selling price.

HMRC frequently identifies these errors during motor trade audits:

• Not charging VAT on free work — If you provide services to friends, family, or staff, you still need to account for VAT on the market value of the work.
• Incorrectly applying the margin scheme — Using the margin scheme on vehicles purchased from VAT-registered dealers is a common and costly error.
• Missing input VAT claims — Failing to reclaim VAT on equipment purchases, tools, overalls, cleaning products, and other business expenses.
• Personal use of business vehicles — If you or your staff use business vehicles for personal use, the input VAT on running costs must be restricted.
• Fuel scale charges — If you provide fuel for private use in company vehicles, you must either apply the fuel scale charge or restrict input VAT on all fuel.

VAT in the motor trade is complex enough that professional accounting advice is strongly recommended. A specialist motor trade accountant will:

• Ensure your VAT scheme choice is optimal for your business
• Review your VAT returns before submission
• Handle HMRC inspections and queries
• Advise on specific transactions (vehicle part-exchanges, insurance work, warranty claims)

The cost of a good accountant is far less than the cost of a VAT penalty. The RMI and IAAF can recommend motor trade specialist accountants in your area.

ashdub generates VAT-compliant invoices automatically, tracks input and output VAT on every transaction, and produces VAT return data that integrates with your accounting software. Spend less time on VAT paperwork and more time in the workshop.