
The 2026/27 financial year is now underway, and while many headline tax rates remain unchanged, ongoing freezes and reduced allowances continue to pull more taxpayers into higher tax bands.
Here is our overview.
Personal allowances and income tax thresholds remain frozen until April 2028:
The additional rate threshold remains at £125,140, and individuals earning above this level do not receive a personal allowance.
For incomes over £100,000, the personal allowance is reduced by £1 for every £2 of additional income, creating an effective marginal tax rate of 60% within this band.
The dividend allowance remains at:
Dividend tax rates have increased by 2 percentage points to:
With such a low allowance, individuals, particularly retirees and business owners, may need to report dividend income to HMRC.
The annual exempt amount for capital gains tax remains at:
Rates remain unchanged:
The rate for gains qualifying for business asset disposal relief has changed to 18% from 6 April 2026.
Spousal transfers on separation
The rules introduced in April 2023 continue to apply:
Pension rules remain significantly more flexible:
The rollout of Making Tax Digital for Income Tax Self Assessment (MTD for ITSA) is a key development affecting many taxpayers:
Under MTD, affected taxpayers will be required to:
This represents a significant shift from the traditional annual tax return process and will require many taxpayers to adopt accounting software if they have not already done so.
From the 1 April 2026 there is no change to the corporation tax rates which remain as follows:
The thresholds are divided by the number of associated companies.
Capital allowances main rate of writing down allowance (WDA) for plant and machinery has been reduced from 18% to 14% from 1 April 2026 for companies and 6 April 2026 for income tax purposes.
A hybrid rate will apply for chargeable periods that straddle 1 April 2026.
The WDA for the special rate pool remains at 6% and no changes for full expensing (for companies) or annual investment allowance.
A new 40% First Year Allowance (FYA) was introduced from 1 January 2026 for qualifying main pool expenditure for businesses unable to claim full expensing (i.e. unincorporated business or assets used for leasing).
The 100% FYA for zero-emission cars and EV charge points has been extended to March 2027.
Late Filing Penalties for corporation tax returns
For corporation tax returns with filing dates on or after 1 April 2026, the fixed penalties have been doubled as follows:
Tax returns – key deadlines and dates for 2026/27
The 2025/26 tax year has now ended (on 5 April 2026), and tax returns for that year can now be prepared and submitted.
With continued freezes, reduced allowances, and the introduction of Making Tax Digital, tax compliance is becoming more complex. If you have any questions or would like tailored advice, please get in touch, our experienced team of tax advisers will be happy to assist.