Inheritance Tax (IHT) has long been a complex issue in the UK, often requiring families to consider difficult decisions about inherited wealth and family businesses.
A significant IHT liability arising on death can create pressure on liquidity, potentially requiring the sale of business assets to meet the tax charge and disrupting the continuity of the business in the process. Business Relief (BR), initially known as Business Property Relief, was introduced in the Finance Act 1976 precisely to alleviate this burden, ensuring that valuable trading businesses could be passed down through generations without being unduly impacted by IHT. This relief remains a cornerstone of succession planning for private businesses, encouraging continued investment and growth.
While BR has evolved, its core principle endures: to reduce or eliminate IHT on certain business assets, provided specific conditions are met, historically offering up to 100% relief.
However, significant changes come into effect from 6 April 2026, profoundly impacting how family businesses with substantial qualifying assets plan for their future. This article sets out these changes, their implications for family businesses with over £2.5 million in qualifying assets, and the financial planning solutions to navigate this new landscape.
BR currently provides a reduction in the value of gifts of ‘Relevant Business Property’ (RBP) for IHT purposes, whether made during a lifetime or on death. Relief is typically granted at either 100% or 50%, depending on the asset type and ownership.
To qualify, assets must generally have been owned for at least two years immediately before the transfer (or death) and be held at that time. The company must primarily be a trading business, not one predominantly engaged in investment activities. Common qualifying assets include:
This rule prevents BR on assets not genuinely used for business purposes. An asset is ‘excepted’ if not used wholly or mainly for business purposes in the two years preceding the transfer, or if not required for future business use. Cash reserves, for example, can be excepted assets if they exceed normal working capital requirements. This is a common pitfall for family businesses holding significant surplus cash.
APR provides relief from IHT on qualifying agricultural property. While APR applies to the agricultural value, BR can apply to non-agricultural business elements of a farming business (e.g., a farm shop). Where both qualify, both reliefs can be claimed. The upcoming changes will also impact the combined allowance for both BR and APR.
The current BR regime offers faster IHT relief compared to other transfers, requiring just two years of ownership. It allows owners to retain full control over their business assets and helps prevent forced sales to meet IHT liabilities, preserving business continuity. These significant advantages have made BR a cornerstone of estate planning.
Following the government's announcement at the Autumn Budget 2024 and the subsequent increase to the relief threshold announced on 23 December 2025, the reforms to Business Relief (and Agricultural Property Relief) took effect from 6 April 2026 under the Finance Act 2026.
The most impactful change is the introduction of a £2.5 million cap on 100% Business Relief. This cap was originally set at just £1 million, but successful lobbying led to an announcement on 23 December 2025 that this would be increased to £2.5 million.
Currently, AIM shares qualify for 100% BR. From April 2026, they will qualify for only 50% relief on their entire holding and will not count against the £2.5 million allowance. This significantly diminishes their attractiveness as a standalone IHT planning tool.
The £2.5 million allowance operates on a seven-year look-back basis. Qualifying gifts made more than seven years before death fall outside the look-back window and do not reduce the allowance available at death. The practical effect is that business owners who make qualifying lifetime gifts and survive seven years free up their available allowance for future transfers, though this is the consequence of the rolling look-back, not a separate reset mechanism.
Under the relevant property Trust regime, periodic charges apply every 10 years, with an effective rate of up to 6% of the chargeable value. Where qualifying BR assets exceed the available £2.5 million allowance, only 50% relief is available on the excess, meaning the effective periodic charge on that element is equivalent to up to 3% of the chargeable value above the threshold, although the full calculation also involves the Trust's available nil rate band and, for Trusts established before 6 April 2026, transitional adjustments. Professional advice is essential for accurate calculations.
These changes fundamentally alter the calculus for succession planning, particularly for family businesses with shareholdings exceeding £2.5 million.
Taking proactive and comprehensive financial planning will be essential to navigate these changes.
Navigating the revised Business Relief landscape requires a multi-faceted approach. A combination of strategies will likely be necessary.
Gifting assets during one's lifetime is a powerful IHT planning tool. The new rolling £2.5 million allowance every seven years for lifetime transfers of qualifying business assets presents a significant opportunity.
It is worth noting that, from 6 April 2026, direct transfers of qualifying business property between spouses and civil partners are only eligible for 50% BR. While the spousal exemption typically prevents an immediate IHT charge on such transfers, this restriction affects how the relievable value is calculated in complex estate scenarios, particularly where the estate includes both exempt and non-exempt beneficiaries. The interaction provisions under s39A IHTA 1984 mean advice should be sought on the specific estate structure.
Revisiting the business structure can unlock further planning opportunities.
Life insurance can provide the necessary liquidity to cover tax bills, preventing forced sales of business assets.
Whole of Life cover
Relevant Life Policies (RLP)
Gift Inter Vivos (GIV) Policy (seven-year cover)
Reviewing investment strategies for surplus cash can be beneficial. Reinvesting excess cash into genuine trading assets can help ensure maximum BR. Diversification into other asset classes might be appropriate for those with significant wealth in BR-qualifying assets, balanced with maintaining business control.
The changes to Business Relief that took effect from 6 April 2026 mark a significant shift in IHT planning for family-owned businesses with substantial qualifying assets. For businesses with over £2.5 million in qualifying assets, a proactive and integrated financial planning strategy is now essential to protect legacies, ensure continuity, and avoid potentially significant IHT liabilities.
The rules are now in force. Business owners who have not yet reviewed their position should act promptly, the earlier a structured review takes place, the wider the range of planning options available.
Planning opportunities and priorities under the new rules:
A comprehensive planning approach will likely involve:
The aim is not simply to minimise tax, but to ensure the smooth transition of the business to the next generation, preserving the legacy of what has been built. With the new rules now firmly in place, the time to review, restructure, and protect is now and the earlier that review takes place, the greater the range of options available.
The aim is not just to minimise tax but to ensure the smooth transition of the business to the next generation, preserving the hard work and dedication that built it. By understanding the new rules and implementing a well-thought-out plan, family businesses can face the future with confidence, ensuring their legacy endures for generations to come. The time to plan is now, to turn potential challenges into opportunities for robust and resilient succession.
Important considerations: Business Relief qualifying status is not guaranteed. HMRC may challenge a company's trading status, the valuation of business assets, or the application of reliefs, including the excepted assets rule, which can deny relief on assets not actively used in the business. Gifting strategies involve the permanent transfer of value and control. Life insurance cover is subject to medical underwriting and will lapse if premiums are not maintained. The planning strategies described in this article may not be appropriate for all individuals. You should seek personalised advice from a qualified financial advisor, tax advisor, and legal professional before taking any action.
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