Deadlines
The dates that matter
So the fines don't. Miss the 31 January deadline and it's £100 straight away.
Next up · 31 January 2026
Online return & payment deadline
File 2024/25 online and pay the balance, plus the first payment on account.
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days
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hours
5 April 2025 · passed
End of the 2024/25 tax year
Last day to use this year's ISA and pension allowances.
6 April 2025 · passed
New tax year begins
2025/26 starts. New rates and thresholds apply.
31 May 2025 · passed
P60 deadline
Employers must give you your P60.
5 October 2025 · passed
Register for Self Assessment
If you need to file for 2024/25 for the first time.
31 October 2025 · passed
Paper tax return deadline
2024/25 paper returns must reach HMRC.
30 December 2025 · passed
Online return to collect via PAYE
File by now to have tax under £3,000 collected through your tax code.
31 January 2026
Online return & payment deadline
File 2024/25 online and pay the balance, plus the first payment on account.
5 April 2026
End of the 2025/26 tax year
Last day to use this year's ISA and pension allowances.
6 April 2026
New tax year begins
2026/27 starts. New rates and thresholds apply.
31 May 2026
P60 deadline
Employers must give you your P60.
31 July 2026
Second payment on account
For the 2024/25 tax year.
5 October 2026
Register for Self Assessment
If you need to file for 2025/26 for the first time.
31 October 2026
Paper tax return deadline
2025/26 paper returns must reach HMRC.
7 November 2026
MTD quarterly update, if you joined MTD in April 2026
Late-submission points apply (4 points means a £200 penalty). No points for a late quarterly update in 2026/27, but it must be in before the return.
30 December 2026
Online return to collect via PAYE
File by now to have tax under £3,000 collected through your tax code.
31 January 2027
Online return & payment deadline
File 2025/26 online and pay the balance, plus the first payment on account.
7 February 2027
MTD quarterly update, if you joined MTD in April 2026
Late-submission points apply (4 points means a £200 penalty). No points for a late quarterly update in 2026/27, but it must be in before the return.
5 April 2027
End of the 2026/27 tax year
Last day to use this year's ISA and pension allowances.
6 April 2027
New tax year begins
2027/28 starts. New rates and thresholds apply.
7 May 2027
MTD quarterly update, if you joined MTD in April 2026
Late-submission points apply (4 points means a £200 penalty). No points for a late quarterly update in 2026/27, but it must be in before the return.
31 May 2027
P60 deadline
Employers must give you your P60.
31 July 2027
Second payment on account
For the 2025/26 tax year.
5 October 2027
Register for Self Assessment
If you need to file for 2026/27 for the first time.
31 October 2027
Paper tax return deadline
2026/27 paper returns must reach HMRC.
30 December 2027
Online return to collect via PAYE
File by now to have tax under £3,000 collected through your tax code.
31 January 2028
Online return & payment deadline
File 2026/27 online and pay the balance, plus the first payment on account.
31 July 2028
Second payment on account
For the 2026/27 tax year.
Not affiliated with HMRC. General information, not professional tax advice. Check GOV.UK or speak to a qualified adviser for your situation.