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Tax Key Dates

Below are just some of the key tax dates for 2023/2024 which can help an individual or businesses of all sizes in Basildon, Southend & the surrounding areas to take control of their finances

& keep on top of tax deadlines.

Please note that these dates may change, so it is always best to check with HMRC

for the most up to date information & key dates.

April 1st 2023

Deadline for paying Corporation Tax for the previous tax year.

April 5th 2023

End of the 2022/2023 tax year.

April 6th 2023

Start of the 2023/2024 tax year.

May 31st 2023

Deadline for forms P60 to be issued to employees.

June 6th 2023

Filing deadline date for Expenses and Benefits forms P11D(b) and P11D to reach HMRC. Last date to give forms P11D to relevant employees.

July 31st 2023

Second Payment on Account due for Income Tax for 2022/2023.

PAYE settlement agreement submission date. Real Time Information submissions should be filed on or before pay day.

September 30th 2023

Deadline for filing VAT returns for the previous quarter.

October 1st 2023

Deadline for paying VAT for the previous quarter.

October 5th 2023

Register for Self Assessment if you’re self-employed or a sole tradernot self-employed, or registering a partner or partnership.


October 31st 2023

Deadline for filing a paper tax return for 2022/23 tax year.

December 30th 2023

Deadline for online submission of Self Assessment tax returns for year ending 5th April 2022 for HMRC to collect employment or pension income tax through PAYE tax codes if less than £3,000

is owed.

31st January 2024

Standard filing deadline for online tax returns and payment of tax owed including first payment on account..



You’ll get a penalty if you need to send a tax return and you miss the deadline for submitting it or paying your bill.

You’ll pay a late filing penalty of £100 if your tax return is up to 3 months late. You’ll have to pay more if it’s later, or if you pay your tax bill late.

You’ll be charged interest on late payments.

You can estimate your penalty for Self Assessment tax returns more than 3 months late, and late payments on the HMRC website (linked below).

You can appeal against a penalty if you have a 

reasonable excuse.

For more information about penalties visit

the HMRC website.

If you or your business needs help with your taxes please get in contact with one of our accountants or tax advisors today. You can book an appointment on our Book Online page.

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