Key dates and deadlines to note

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

The Autumn Budget 2024 was on 30 October 2024. The Spring Statement was on 26 March 2025.

2025	Deadline
May 31	Deadline for employers to give employees P60s for 2024/25 and to give relevant employees details of payrolled benefits for that year.
Jun 30	Mortgage Guarantee Scheme ends
Jul 31	Second Payment on Account due for Income Tax 2024/25
Sep 1	Failure to prevent fraud law comes into force
Oct 1	Extended Producer Responsibility introduced from this date.
Oct 5	New self-employed individuals during tax year ended 5 April 2025 need to register with HMRC by this date.
Oct 22	Inflation figure used to calculate how much benefits and the state pension will rise by in April 2026.
Oct 31	Deadline to submit 2024/25 tax return by post
Oct x	Autumn Budget (date to be advised)
Dec 30	Submit online personal tax return for 2024/25 if you want HMRC to collect tax underpayment (below £3,000) through your 2026/27 PAYE coding
2026
Jan 31	Deadline to pay and submit Self-Assessment Tax Returns for tax year ending 5 April 2025 (personal, trustee & partnership).
Jan 31	First Payment on Account for Income Tax due for 2025/26
Apr 1	Financial Year 2026 begins
Apr 1	New rates for National Living Wage (tbc)
Apr 5	Last day of the tax year to utilise any tax allowances
Apr 6	Making Tax Digital for Income Tax Self Assessment begins for those with trading and property income exceeding £50,000.
Apr 6	Business Asset Disposal Relief CGT rate increases from 14% to 18%
Apr 6	IHT Business Property & Agricultural Property relief capped at a combined £1m, then attracts 50% relief for assets over that value.
2027
Apr 6	Pension pots to be brought into estates for Inheritance Tax purposes for the first time (subject to legislation), creating additional tax of 40% if the deceased has already used up their tax-free inheritance allowance of £325,000.
Apr 6	Making Tax Digital for Income Tax commences for those with trading and property income exceeding £30,000.
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 2027 (previously 2026).
2028
Apr 6	Making Tax Digital for Income Tax commences for those with trading and property income exceeding £20,000.
Later	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.

Companies
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
Individuals
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.

Technology, Media and Telecommunications

Repeating deadlines

Key contacts

Iona Martin

Adele Clapp

Andrew Browne

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