7 Major UK Tax Changes For 2026: What Investors, Landlords, And Business Owners Must Know Now
The UK tax landscape is set for its most significant overhaul in years, with a wave of major legislative changes confirmed to take effect from April 6, 2026. These reforms, which stem from recent Autumn Budget announcements, are not minor tweaks; they represent fundamental shifts in how wealth, investments, and business profits will be taxed, directly impacting millions of taxpayers, including investors, landlords, and high-net-worth individuals. As of today, December 19, 2025, financial planning for the 2026/27 tax year is paramount, as the new rules will drastically alter the net return on capital gains, investment income, and inherited assets.
The core intention behind many of these measures is to raise substantial revenue for the Exchequer, with a particular focus on reforming reliefs and increasing the tax burden on various forms of capital and non-earned income. Understanding these seven key changes now is crucial for proactive financial restructuring, allowing individuals and business owners to mitigate the impact before the new rules become law in the 2026-2027 tax year.
The Seismic Shift in Capital Gains Tax (CGT) and Investment Reliefs
The changes to Capital Gains Tax (CGT) are arguably the most impactful for investors and business sellers, marking a substantial increase in the tax payable on asset disposals. These reforms, alongside a dramatic reduction in a key relief, signal a clear government intention to increase the cost of realising capital wealth.
1. CGT Rates Jump for All Taxpayers from April 2026
The headline change is a significant hike in the rates of Capital Gains Tax. Currently, CGT rates are 10% (basic rate) and 20% (higher/additional rate) for gains on non-property assets, with residential property gains taxed at 18% and 24% respectively. From April 6, 2026, these rates are set to increase across the board, moving closer to Income Tax levels.
- For Basic Rate Taxpayers: The CGT rate will increase from 10% to 18%.
- For Higher and Additional Rate Taxpayers: The CGT rate will increase from 20% to 24%.
This four percentage point increase for higher earners is a major deterrent for selling assets, such as shares or second homes, after the 2025/26 tax year. For a higher rate taxpayer realising a £100,000 gain on a share portfolio, the tax bill will rise from £20,000 to £24,000. This change is a critical consideration for anyone planning a significant asset disposal or business sale in the near future.
2. Investors’ Relief Lifetime Limit Slashed
Investors’ Relief (IR) is a form of CGT relief designed to encourage investment in unlisted trading companies. It allows a 10% rate of CGT on qualifying disposals. The lifetime limit for this relief is being drastically reduced, which will severely limit its utility for serial investors.
- The lifetime limit for Investors’ Relief qualifying disposals will be reduced from £10 million to £1 million from April 2026.
This reduction means that the relief will now benefit only the first £1 million of qualifying gains, not £10 million. This change, alongside the general CGT rate increase, marks a clear reduction in the tax-advantaged status of long-term investments in smaller trading companies.
3. Incorporation Relief No Longer Automatic
A technical but important change for business owners and property landlords is the reform of Incorporation Relief. This relief currently allows a business owner to transfer the assets of their sole trade or partnership into a limited company without triggering an immediate Capital Gains Tax charge.
- From 6 April 2026, Incorporation Relief against CGT on transferring assets into a company will no longer apply automatically.
This means that future transfers will likely require a specific claim or meet stricter conditions, adding complexity and potential immediate tax costs to the process of incorporating a business. Professional advice will be essential to navigate this new environment.
IHT, Carried Interest, and Income Tax Sweeps
Beyond capital gains, the 2026 reforms target Inheritance Tax (IHT), the taxation of private equity professionals, and the rates applied to savings and dividend income. These measures will significantly affect estate planning and investment structuring.
4. Inheritance Tax (IHT) Reliefs Capped at £1 Million
Inheritance Tax is facing a major overhaul, specifically targeting anti-avoidance measures concerning valuable business and agricultural assets. Business Property Relief (BPR) and Agricultural Property Relief (APR) currently offer 100% relief from IHT on qualifying assets, often allowing large estates to pass down tax-free.
- From 6 April 2026, a £1 million cap will be introduced on the combined value of assets eligible for 100% Agricultural Property Relief and Business Property Relief.
- Assets valued above the £1 million cap will be subject to IHT at the standard 40% rate.
This reform is a game-changer for owners of large farms, estates, and private trading businesses, who have historically relied on these reliefs for tax-efficient succession planning. The new rule effectively means that the first £1 million of qualifying assets will still receive 100% relief, but anything above that threshold is now exposed to the 40% IHT charge.
In a small concession, the option to pay IHT by equal annual instalments over 10 years, interest-free, will be extended to all property, not just land and buildings, from April 2026.
5. Carried Interest to be Taxed as Income
A major policy change affecting the private equity and venture capital sector is the reform of the Carried Interest tax regime. Carried interest—the share of profits received by investment managers—has historically been taxed as a capital gain, attracting the lower CGT rate.
- From 6 April 2026, carried interest in the UK will be brought within the income tax regime and treated as deemed trading profits.
- It will be subject to Income Tax (up to 45%) and Class 4 National Insurance Contributions (NICs).
This move eliminates the preferential tax treatment for carried interest, aligning its taxation with earned income. The financial implications for fund managers and private equity professionals are substantial, as their tax rate on this income could more than double.
6. New Tax Rates for Dividends, Savings, and Property Income
The government has also announced a series of increases for specific non-earned income streams, which will impact personal investors, savers, and property landlords.
- Dividend Tax Rates: The ordinary rate will increase to 10.75% and the upper rate will increase to 35.75%.
- Savings Income: The basic rate for savings will increase to 22%.
- Property Income Regime: A new, separate higher income tax regime for property income will be introduced, applying in England, Wales, and Northern Ireland.
These rate increases will reduce the net income received by investors holding shares outside of tax-efficient wrappers like ISAs, and will further squeeze the profitability of buy-to-let landlords who face a higher tax burden on their rental income.
7. Reduction in VCT Income Tax Relief
Venture Capital Trusts (VCTs) are a popular tax-efficient vehicle for investing in smaller, high-growth UK companies. They currently offer a 30% Income Tax relief on new share subscriptions.
- From April 2026, the Income Tax relief available on Venture Capital Trusts (VCTs) will be reduced from 30% to 20%.
This reduction makes VCTs marginally less attractive as a tax-planning tool, though they remain a valuable option for high-net-worth investors seeking to defer or mitigate tax, especially in light of the other increases to CGT and dividend tax.
Preparing for the 2026 Tax Overhaul
The sheer volume and significance of these confirmed UK tax changes for 2026 necessitate immediate action from taxpayers. The period between now and April 2026 represents a critical window for financial planning.
Key Planning Considerations:
- Accelerated Disposals: Individuals contemplating a significant sale of a second home, business, or investment portfolio should consider realising the gain before April 2026 to lock in the lower CGT rates.
- IHT Restructuring: Owners of large agricultural or business estates must urgently review their wills and trust structures to account for the new £1 million cap on BPR/APR.
- Investment Strategy: The increased rates for dividends and capital gains reinforce the value of tax-efficient wrappers. Maximising ISA and pension contributions is more crucial than ever to shield returns from the higher 2026 tax environment.
- HMRC Communications: Separately, HMRC has confirmed a major update to its letter system starting in 2026, affecting an estimated 37 million taxpayers, which, while not a tax rate change, signals a significant administrative overhaul.
The tax revenue as a share of national income is projected to reach a UK record high of 37.4% in 2026–27, underscoring the government's drive to increase the tax take. These confirmed changes for 2026 are complex and far-reaching, demanding a professional review of your personal and business financial structures to ensure full compliance and optimal tax efficiency.
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