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Stay ahead of every HMRC deadline. Your complete guide to key tax dates for the 2026/27 tax year and beyond.
Tuesday 19 : PAYE, Student loan and CIS deductions are due for the month to 5th May 2026
Sunday 31 : Deadline for forms P60 and statement of payrolled benefits for 2025/26 to be issued to employees
Monday 1 : Advisory Fuel Rates: New Advisory Fuel Rates (AFR) for company car users apply from today
Friday 19 : PAYE, Student loan and CIS deductions are due for the month to 5th June 2026
Sunday 5 : Deadline for reaching a PAYE Settlement Agreement for 2025/26
Monday 6 : Deadline for forms P11D and P11D(b) for 2025/26 to be submitted to HMRC and copies issued to employees
Monday 6 : Deadline for employers to report share incentives for 2025/26
Sunday 19 : Class 1A NIC due for 2025/26
Sunday 19 : PAYE quarterly payments due for small employers for pay periods 6th April 2026 to 5th July 2026
Sunday 19 : PAYE, Student loan and CIS deductions due for the month to 5th July 2026
Friday 31 : Second payment on account 2025/26 due
Sunday 2 : Deadline for submitting P46(car) for employees whose car/fuel benefits changed in quarter to 5th July 2026
Friday 7 : MTD quarterly update due for the period 1/6 April to 30 June/5 July 2026
Wednesday 19 : PAYE, Student loan and CIS deductions are due for the month to 5th August 2026
Tuesday 1 : Advisory Fuel Rates: New Advisory Fuel Rates (AFR) for company car users apply from today
Saturday 19 : PAYE, Student loan and CIS deductions are due for month to 5th September 2026
Monday 5 : Deadline for notifying HMRC of new sources of taxable income or gains for 2025/26 if no tax return issued
Monday 19 : PAYE quarterly payments due for small employers for pay periods 6th July 2026 to 5th October 2026
Monday 19 : PAYE, Student loan and CIS deductions are due for the month to 5th October 2026
Monday 19 : Tax and NI due under a 2025/26 PAYE Settlement Agreement
Saturday 31 : Deadline for submission of 2025/26 self assessment returns if HMRC to compute tax or collect underpayment via 2027/28 PAYE code
Saturday 31 : Deadline for submitting ‘paper’ 2025/26 self assessment returns
Monday 2 : Deadline for submitting P46(car) for employees whose car/fuel benefits changed in quarter to 5th October 2026
Saturday 7 : MTD quarterly update due for the period 1/6 April 2026 to 30 September/5 October 2026
Thursday 19 : PAYE, Student loan and CIS deductions are due for the month to 5th November 2026
Tuesday 1 : Advisory Fuel Rates: New Advisory Fuel Rates (AFR) for company car users apply from today
Saturday 19 : PAYE, Student loan and CIS deductions are due for the month to 5th December 2026
Wednesday 30 : Online filing deadline for 2025/26 self assessment return if requiring HMRC to collect underpaid tax via 2027/28 tax code
Tuesday 19 : PAYE, Student loan and CIS deductions are due for the month to 5th January 2027
Tuesday 19 : PAYE quarterly payments due for small employers for pay periods 6th October 2026 to 5th January 2027
Sunday 31 : Deadline for submitting 2025/26 self assessment return (£100 penalty if late) plus balance of 2025/26 liability and first payment on account for 2026/27
Tuesday 2 : Deadline for submitting P46(car) for employees whose car/fuel benefits changed in quarter to 5th January 2027
Sunday 7 : MTD quarterly update due for the period 1/6 April 2026 to 31 December 2026/5 January 2027
Friday 19 : PAYE, Student loan and CIS deductions are due for the month to 5th February 2027
Monday 1 : Advisory Fuel Rates: New Advisory Fuel Rates (AFR) for company car users apply from today
Wednesday 3 : 5% late payment penalty on any 2025/26 outstanding tax due on 31st January 2027 and still unpaid
Friday 19 : PAYE, Student loan and CIS deductions are due for the month to 5th March 2027
Wednesday 31 : Last minute planning for tax year 2026/27
