HMRC Penalties

Self-Assessment Tax Penalties

HMRC will impose penalties if your Self-Assessment tax return is filed late. Penalties will also be imposed if the tax due is not paid on time.

HMRC will also charge interest on tax paid late and penalties paid late.


2021/22 tax return – filing date and tax due date 31 January 2023.

Missed filing deadline – penalty £100

Tax not paid within 30 days of due date – penalty 5% of the tax owed

Tax return 3 months late – daily penalties of £10 for up to 90 days

Should your tax return and tax due remain outstanding after 6 months and 12 months, increased penalties will be levied by HMRC.

Tip – if you are unable to submit your tax return, it would be prudent to make a tax payment on account as this would minimise the penalties levied on unpaid tax.

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