Common VAT mistakes

By   2 October 2025

VAT basics

None of us are perfect, and any business can make mistakes with VAT despite all intentions to take reasonable care. So what are the most common errors? Here’s a list of pitfalls to avoid:

Wrong rate of output tax charged

Land and property transactions

  • Misunderstanding the correct VAT treatment of a land and property transactions
  • Not recognising VAT issues
  • Issues with the Option To Tax
  • TOGC issues
  • A guide to triggerpoints here

Cross-border issues

  • Failing to meet the requirements to zero-rate exports
  • Incorrect import procedures
  • Ignoring the reverse charge

Inter-company charges

Partial exemption

Business entertainment

  • Different rules apply to the recovery of input tax on entertaining depending on the type of recipient, eg: clients, contacts, staff, partners and directors depending on the circumstances

Registration

VAT groups

  • Failing to VAT group when beneficial or failing to disband
  • Recovery of input tax
  • Timing of transactions
  • Partial exemption issues

Tax points (Time Of Supply)

  • Failing to recognise a tax point for output tax
  • Incorrect treatment of deposits
  • Incorrect treatment of forfeit deposits
  • Recovery of input tax at incorrect time

Bad Debt Relief issues

  • Failing to claim Bad Debt Relief
  • Failing to repay a claim to HMRC when payment from customer is received
  • Failing to repay input tax when a supplier is not paid (after six months)

Overseas issues

Claiming input tax without the correct documentation

  • A guide to alternative evidence here

Recovering irreclaimable input tax

  • A guide to what VAT is not claimable here

Return errors

  • A box-by-box guide here

Business promotion schemes

Composite or separate supplies

Changes to a business

  • Selling new products, acquisitions, share sales, disposals, re-structuring, and ceasing to trade can all have a VAT impact and this can be missed

Fuel and motoring costs

Special schemes

One-off transactions

  • Failing to recognise VAT issues of unusual or one-off transactions

Non-business (NB) and charitable activities

  • Failure to recognise NB activities
  • Failure to restrict input tax in connection with NB activities

Errors can lead to draconian penalties, and ignorance is not a defence.

A guide to VAT triggerpoints here .