Key 2023/24 tax year dates, deadlines & thresholds
Whether you’re working from home as a self-employed individual or an employee, it’s always helpful to know the latest tax year dates in the UK, which will come into force in April 2023.
Here are the self-assessment tax return dates and VAT return dates for 2023/24.
This is for 2023/24. Click to see key 2024/25 tax year dates.
Or, want to know the dates for 2022/23? Check them here.
When does the 2023/24 tax year start?
The 2023/24 tax year begins on 6 April 2023 and ends on 5 April 2024.
Self-assessment tax return dates 2023/24
Here are your Self Assessment tax return dates, and other important deadlines for individuals and self-employed in the 2023/24 tax year:
| 5 April 2023 | 2022/23 tax year ends |
| 6 April 2023 | 2024/24 tax year begins |
| 31 July 2023 | Second Payment on Account (POA) for Income Tax for 2022/23 |
| 5 October 2023 | Deadline for Self Assessment registration to notify chargeability of Income Tax/Capital Gains Tax for 2022/23 |
| 19 October 2023 | Deadline for postal payments of CIS, Class 1 B NICs and PAYE to HMRC |
| 22 October 2023 | Deadline for electronic remittance of CIS, Class 1 B NICs and PAYE to HMRC |
| 31 October 2023 | Deadline for postal submission of Self Assessment tax returns for tax year ended 5 April 2023 to be received by HMRC |
| 30 December 2023 | Deadline for online submission of Self Assessment tax returns for tax year ended 5 April 2023 |
| 31 December 2023 | Due date to file company accounts with Companies House for limited companies with 31 March 2023 year end |
| 14 January 2024 | Income tax due date for CT61 period to 31 December 2023 |
| 31 January 2024 | Deadline for filing Self Assessment Tax Returns for tax year ended 5 April 2023 and 2022/23 Capital Gains Tax
Balancing payment of tax due for 2022/23 and first Payment on Account for Income Tax for 2023/24 |
| 5 April 2024 | 2023/24 tax year ends |
| 6 April 2024 | 2024/25 tax year begins |
Deadlines for submitting VAT returns 2023/24
The deadline for submitting your return is 1 month and 7 days after the end of the VAT period, whether you pay your VAT monthly or quarterly.
Here are the key dates for submitting VAT returns in the 2023/24 tax year:
| 7 April 2023 | Deadline for VAT returns and payments of Accounting Quarter period ending 28 February 2023 |
| 7 May 2023 | Deadline for VAT returns and payments of Accounting Quarter period ending 31 March 2023 |
| 7 June 2023 | Deadline for VAT returns and payment Accounting Quarter period ending 30 April 2023 if filed online |
| 7 July 2023 | Deadline for VAT returns and payments of Accounting Quarter period ending 31 May 2023 |
| 7 August 2023 | Deadline for VAT returns and payments of Accounting Quarter period ending 30 June 2023 |
| 7 September 2023 | Deadline for VAT returns and payments of Accounting Quarter period ending 31 July 2023 |
| 7 October 2023 | Deadline for VAT returns and payments of Accounting Quarter period ending 31 August 2023 |
| 7 November 2023 | Deadline for VAT returns and payments of Accounting Quarter period ending 30 September 2023 |
| 7 December 2023 | Deadline for VAT returns and payments of Accounting Quarter period ending 31 October 2023 |
| 7 January 2024 | Deadline for VAT returns and payments of Accounting Quarter period ending 30 November 2023 |
| 7 February 2024 | Deadline for VAT returns and payments of Accounting Quarter period ending 31 December 2023 |
| 7 March 2024 | Deadline for VAT returns and payments of Accounting Quarter period ending 31 January 2024 |
PAYE tax rates & thresholds 2023/24
Employee Personal Allowance: £12,570
Basic Rate Tax Band: 20% on income between £12,571 and £50,270
Higher Rate Tax Band: 40% on income between £50,271 and £125,139
Additional Rate Tax Band: 45% on income above £125,140
The standard tax code for 2023/24 is 1250L
