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2025/2026 Tax Calendar
To see every tax month and tax week for the 2025/2026 tax year use our payroll tax calendar.
April 2025 - from the 6th onwards
Sunday 6th April 2025
income tax
First day of the new 2025/2026 tax year
Calculate your tax for the new tax year at UKTaxCalculators.co.uk
Saturday 19th April 2025
income tax
PAYE and Class 1 quarterly cheque payment to be cleared
Any outstanding cheque payment for PAYE and Class 1 NICs must be with HMRC Accounts Office.
Saturday 19th April 2025
cis
Deadline for receipt of contractor's monthly return
Whether submitted via paper, electronically or over the telephone (nil return).
Tuesday 22nd April 2025
income tax
PAYE and Class 1 quarterly electronic payment to be cleared
Any outstanding electronic payment for PAYE and Class 1 NICs must be in HMRC's bank account.
Tuesday 22nd April 2025
income tax
PAYE and Class 1 monthly electronic payment to be cleared
Electronic payments to be cleared in HMRC's bank account for any PAYE Class 1 NICs.
May 2025
Monday 19th May 2025
cis
Deadline for receipt of contractor's monthly return
Whether submitted via paper, electronically or over the telephone (nil return).
Monday 19th May 2025
employers
Employer Annual Return P35 and P14 Deadline
Employer Annual Return (P35 and P14) filing deadline for the previous tax year ending 5th April 2025.
Thursday 22nd May 2025
income tax
PAYE and Class 1 monthly electronic payment to be cleared
Electronic payments to be cleared in HMRC's bank account for any PAYE Class 1 NICs.
Saturday 31st May 2025
employers
Final date to provide employees with form P60
Any employee who was working for you on 5 April 2025 must receive a form P60 for 2024/2025 by this date.
June 2025
Thursday 19th June 2025
cis
Deadline for receipt of contractor's monthly return
Whether submitted via paper, electronically or over the telephone (nil return).
Sunday 22nd June 2025
income tax
PAYE and Class 1 monthly electronic payment to be cleared
Electronic payments to be cleared in HMRC's bank account for any PAYE Class 1 NICs.
Monday 30th June 2025
tax credits
You should receive your tax credit renewal pack by this date
Renewal packs are sent out between April and June. If you have not received a tax credit renewal pack by this date, please contact the tax credit helpline on 0345 300 3900.
July 2025
Saturday 5th July 2025
employers
PAYE Settlement Agreements
Last date to agree PAYE Settlement Agreements for 2024/2025.
Sunday 6th July 2025
employers
Form P9D and P11D deadline
Final day to provide employees with forms P9D and P11D.
Sunday 6th July 2025
employers
Form 42 deadline
Deadline for providing employees with form 42 or other relevant forms to report employee share-related benefits.
Saturday 19th July 2025
cis
Deadline for receipt of contractor's monthly return
Whether submitted via paper, electronically or over the telephone (nil return).
Saturday 19th July 2025
income tax
PAYE and Class 1 quarterly cheque payment to be cleared
Any outstanding cheque payment for PAYE and Class 1 NICs must be with HMRC Accounts Office.
Tuesday 22nd July 2025
income tax
PAYE and Class 1 monthly electronic payment to be cleared
Electronic payments to be cleared in HMRC's bank account for any PAYE Class 1 NICs.
Tuesday 22nd July 2025
income tax
PAYE and Class 1 quarterly electronic payment to be cleared
Any outstanding electronic payment for PAYE and Class 1 NICs must be in HMRC's bank account.
Thursday 31st July 2025
tax credits
You must return your tax credit renewal pack by this date
Make sure you have returned your tax credit renewal pack by the 31st July. Renewal packs are sent out between 19th April and 28th June.If you have not received a tax credit renewal pack by this date, please contact the tax credit helpline on 0345 300 3900.
Thursday 31st July 2025
income tax
Second self assessment payment deadline
Deadline for second payment on account for Self Assessment of the 2024/2025 tax year.
August 2025
Tuesday 19th August 2025
cis
Deadline for receipt of contractor's monthly return
Whether submitted via paper, electronically or over the telephone (nil return).
Friday 22nd August 2025
income tax
PAYE and Class 1 monthly electronic payment to be cleared
Electronic payments to be cleared in HMRC's bank account for any PAYE Class 1 NICs.
September 2025
Friday 19th September 2025
cis
Deadline for receipt of contractor's monthly return
Whether submitted via paper, electronically or over the telephone (nil return).
Monday 22nd September 2025
income tax
PAYE and Class 1 monthly electronic payment to be cleared
Electronic payments to be cleared in HMRC's bank account for any PAYE Class 1 NICs.
October 2025
Wednesday 1st October 2025
income tax
Personal Income Tax Statements sent out to 24 million Taxpayers
Since October 2014, HMRC has been sending out an Annual Tax Summary for the previous tax year (so for this year it will be PAYE income earned between April 6th 2024 and April 5th 2025).
The statement will include tax and spending summaries for people taxed via the pay as you earn system - including those with more than one employment.
Sunday 5th October 2025
income tax
Capital gains deadline for non self assessment
Final day to notify of liability for income tax or capital gains tax for 2024/2025 if you are not registered for self assessment.
You will need to complete form CWF1 for self employment or form SA1 for non self employed income, or form SA401 for partners.
Sunday 19th October 2025
income tax
PAYE and Class 1 quarterly cheque payment to be cleared
Any outstanding cheque payment for PAYE and Class 1 NICs must be with HMRC Accounts Office.
Sunday 19th October 2025
cis
Deadline for receipt of contractor's monthly return
Whether submitted via paper, electronically or over the telephone (nil return).
Wednesday 22nd October 2025
income tax
PAYE and Class 1 monthly electronic payment to be cleared
Electronic payments to be cleared in HMRC's bank account for any PAYE Class 1 NICs.
Wednesday 22nd October 2025
income tax
PAYE and Class 1 quarterly electronic payment to be cleared
Any outstanding electronic payment for PAYE and Class 1 NICs must be in HMRC's bank account.
Friday 31st October 2025
income tax
Paper Self Assessment Tax Return 2024/2025 Deadline
Final day for paper submissions of your tax return for income for tax year ending 5 April 2025
November 2025
Wednesday 19th November 2025
cis
Deadline for receipt of contractor's monthly return
Whether submitted via paper, electronically or over the telephone (nil return).
Saturday 22nd November 2025
income tax
PAYE and Class 1 monthly electronic payment to be cleared
Electronic payments to be cleared in HMRC's bank account for any PAYE Class 1 NICs.
December 2025
Friday 19th December 2025
cis
Deadline for receipt of contractor's monthly return
Whether submitted via paper, electronically or over the telephone (nil return).
Monday 22nd December 2025
income tax
PAYE and Class 1 monthly electronic payment to be cleared
Electronic payments to be cleared in HMRC's bank account for any PAYE Class 1 NICs.
Tuesday 30th December 2025
income tax
Self Assessment Tax Code Collection Deadline
If your tax return liability is less than £3,000 and you would like this amount to be collected via your tax code, you must submit your tax return electronically/online by this date.
January 2026
Monday 19th January 2026
income tax
PAYE and Class 1 quarterly cheque payment to be cleared
Any outstanding cheque payment for PAYE and Class 1 NICs must be with HMRC Accounts Office.
Monday 19th January 2026
cis
Deadline for receipt of contractor's monthly return
Whether submitted via paper, electronically or over the telephone (nil return).
Thursday 22nd January 2026
income tax
PAYE and Class 1 quarterly electronic payment to be cleared
Any outstanding electronic payment for PAYE and Class 1 NICs must be in HMRC's bank account.
Thursday 22nd January 2026
income tax
PAYE and Class 1 monthly electronic payment to be cleared
Electronic payments to be cleared in HMRC's bank account for any PAYE Class 1 NICs.
Saturday 31st January 2026
income tax
Online Self Assessment Tax Return Deadline
Online submissions of your 2024/2025 Tax Return must be made by the end of this day. Balancing payment for tax year ended 5 April 2025 must also be made, and the first payment on account for tax year ended 5 April 2026.
February 2026
Thursday 19th February 2026
cis
Deadline for receipt of contractor's monthly return
Whether submitted via paper, electronically or over the telephone (nil return).
Sunday 22nd February 2026
income tax
PAYE and Class 1 monthly electronic payment to be cleared
Electronic payments to be cleared in HMRC's bank account for any PAYE Class 1 NICs.
March 2026
Thursday 19th March 2026
cis
Deadline for receipt of contractor's monthly return
Whether submitted via paper, electronically or over the telephone (nil return).
Sunday 22nd March 2026
income tax
PAYE and Class 1 monthly electronic payment to be cleared
Electronic payments to be cleared in HMRC's bank account for any PAYE Class 1 NICs.
April 2026 - up to the 5th
No important tax dates in April 2026