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Key dates and deadlines to note

1st February 2024

A round up of the evolving key deadlines and dates and other important dates.

The Spring Budget will be on 6 March 2024.

The Autumn Statement was on 22 November 2023

2024 Deadline
Feb 1 Interest starts to accrue on any unpaid self-assessment tax liability due for 2021/22
Feb 14 Deadline to apply for deferment of payment of Class 1 NICs (form CA72A) for 2023/24 (can be extended to 5 April 2024 where the employer agrees)
Feb 22 Off-payroll working (IR35). Closing date for responding to HMRC's consultation for offsetting tax and NIC when an employment status determination is changed to ‘employed’.
Mar 6 Spring Budget
Mar 7 Bishop Fleming Budget seminars
Mar 31 Business Rates relief ends for Retail, Hospitality and Leisure sectors.
Mar 31 Deadline for amending ATED return for the year ended 31 March 2023
Apr 1 Financial Year 2024 begins
Apr 1 75% business rate discount for retail, hospitality, and leisure extended for another year. to 31 March 2025.
Apr 1 R&D tax relief schemes merged into one scheme
Apr 1 National Living Wage to rise to £11.44 per hour
Apr 1 New rate of Plastic Packaging Tax
Apr 5 Last day of the tax year to utilise any tax allowances
Apr 5 Last day for employers to apply for payrolling benefits for tax year 2024/25
Apr 6 New tax year 2024/25 begins
Apr 6 The capital gains tax allowance halves from £6,000 to £3,000 
Apr 6 New 45% and 48% income tax rates introduced in Scotland
April 6 Start of new basis periods rules for sole traders & partnerships
Apr 6 Abolition of pension lifetime allowance
Apr 6 Class 2 NICs for self-employed abolished
Apr 6 Class 4 NICs rate reduced to 8% on profits between £12,570 and £50,270. Rate remains at 2% on profits above £50,270
Apr 6 Construction Industry Scheme (CIS) reforms to: 
  • ensure minor VAT compliance failures will not result in Gross Payment Status refusal or removal
  • remove most payments made by landlords to tenants from the scope of the CIS
Apr 6 Flexible working becomes a day one right for flexible working requests made on or after 6 April 2024. (Updated guidance)
Apr 6 Unpaid carer's leave. Employees become entitled from their first day of work to unpaid leave to care for a ‘dependant’ who has:
1. a physical or mental illness or injury
2. a disability (as defined by Equality Act 2010)
3. care needs because of their old age.
Apr 30 ATED returns and payments for 2024/25 due for properties held on 1 April 2024
May 31 Deadline for employees to receive forms P60 for 2023/2024 
Jul 6 Deadline for PAYE Settlement Agreements for 2023/2024
Jul 6 Deadline for submission of forms P11D for 2023/2024
Jul 31 Second Payment on Account due for Income Tax
Jul 31 Recovery Loan Scheme ends.
Oct 31 Deadline for submitting a paper Self-Assessment tax return
Dec 31 Submit online personal tax return for 2023–24 if taxpayer wants HMRC to collect tax underpayment (below £3,000) through PAYE coding
Jan 23 Latest day for a UK general election (Dissolution and Calling of Parliament Act 2022, section 4)  (See also the General Election timetable from the House of Commons Library)
Jan 31 Deadline to pay and submit Self-Assessment Tax Returns for tax year ending 5 April 2024 (personal, trustee & partnership).
Jan 31 First Payment on Account for Income Tax due for 2024/2025
Mar 31 Last day of temporary reduction in Stamp Duty land Tax for the purchase of residential property in England. (Stamp Duty Land Tax (Temporary Relief) Act 2023).
Jun 30 Mortgage Guarantee Scheme ends
April 6 Making Tax Digital for Income Tax Self Assessment begins
Apr 6 Payrolling benefits in kind. The government will mandate the reporting and paying of Income Tax and Class 1A NICs on benefits in kind via payroll software from April 2026.
2027 & beyond Making Tax Digital for partnerships and companies - dates to be provided.
  The UK is to implement a new import carbon pricing mechanism by 2027 to support the decarbonisation drive.
  ... More dates to follow ...



















Repeating deadlines

There are some ongoing deadlines of which individuals and businesses need to be aware.

12 months after company's year-end Corporation Tax and statutory accounts filing date with HMRC
9 months and 1 day after company's yearend Due date for payment of any corporation tax liability
All businesses - monthly/quarterly  
7th of the month VAT returns and payment due
14th of the month Corporation tax quarterly instalment due
19th of the month Due date for CIS, PAYE and NICs, if paying by cheque
22nd of the month Due date for CIS, PAYE and NICs, if paying electronically
Within 60 days of completion of conveyance Report and pay any CGT on the disposal of Uk property by a non-UK resident

If you would like to discuss how these deadlines may impact on you or your business, please contact your usual Bishop Fleming advisor.

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