Late tax return penalty calculator.
See roughly what HMRC could charge for a late Self Assessment return and late payment.
Estimate your penalties
Enter how late you are and how much tax is unpaid.
How penalties build up
The late filing penalty is £100, then £10 a day after three months up to £900, then the greater of 5% of the tax due or £300 at six months and again at twelve months.
Late payment adds 5% of the unpaid tax after 30 days, six months and twelve months, plus interest.
Authorised and regulated
Is Cheap Tax Returns authorised and regulated? Yes.
Your return is prepared by qualified UK accountants holding qualifications from the leading accountancy bodies: ICAEW, ACCA and AAT. We are also on the ICAEW approved employers list, so you can file with confidence.
Regulated by the professional bodies. Reviewed by qualified accountants. Part of Accotax.
Questions, answered.
You can appeal if you had a reasonable excuse. File as soon as you can, as penalties keep growing until you do.
Yes. See our late tax return service for a fixed fee.
Know your price before we start.
- Fixed fee confirmed in writing before any work begins
- ICAEW, ACCA and AAT-qualified accountants
- Filed with HMRC and confirmed, so you have proof
- A real person on the phone: 0203 4411 258