Tax overpayments and underpayments
If your tax calculation letter (P800) says you鈥檙e due a refund
Your tax calculation letter (also known as a P800) will tell you how you can get your refund.
If your tax calculation letter says you can claim online
You can claim using the online bank transfer service or request a cheque online. You鈥檒l need:
- the reference number from your P800 letter
- your National Insurance number
If you want your refund through a bank transfer, you鈥檒l need to have a UK bank account.
Other ways to claim
You can also claim a refund:
- through your personal tax account
- through the HMRC app
- by contacting HMRC and asking them to send you a cheque
When you鈥檒l get your refund
You鈥檒l be sent the money within:
- 5 working days if you鈥檝e claimed online
- 6 weeks if you鈥檝e asked HMRC to send you a cheque
If your tax calculation letter says you鈥檒l get a cheque
Your tax calculation letter will tell you if HMRC will send you a cheque.
You do not need to contact HMRC to make a claim - you鈥檒l automatically get the cheque by post.
When you鈥檒l get your refund
You鈥檒l get your cheque within 14 days of the date on your letter.
If you鈥檙e owed tax from more than one year, you鈥檒l get a single cheque for the entire amount.