The IHT business property relief changes 2026 introduced a significant restriction on how much qualifying business wealth can pass to the next generation with full inheritance tax relief. From 6 April 2026, the first £2.5 million of combined qualifying business and agricultural property can receive 100% relief per person, while amounts above that threshold receive 50% relief. For family business owners, company shareholders and farming families, the changes make succession planning, business valuations and estate tax calculations increasingly important.
Key Takeaways
Before 6 April 2026, qualifying business assets could generally receive unlimited 100% Business Property Relief, provided they met the relevant HMRC conditions. This allowed many family-owned trading businesses to pass between generations without inheritance tax on their qualifying business value.
The new rules retain full relief but restrict the value that can benefit from it.
The business property relief cap applies to the combined value of assets that would otherwise qualify for 100% business property relief or agricultural property relief. It does not provide a separate allowance for each type of relief.
For example, someone holding £2 million of qualifying business assets and £1 million of qualifying agricultural property has £3 million of assets sharing the same £2.5 million allowance. The remaining £500,000 receives 50% relief.
For families assessing their BPR inheritance tax 2026 position, three distinctions matter:
The changes also affect certain lifetime gifts. Qualifying gifts made on or after 30 October 2024 can use the allowance where the donor dies on or after 6 April 2026 and within seven years of making the gift.
This makes the timing of business ownership transfers particularly important.
The new rules are particularly relevant to family business owners, company shareholders and individuals transferring qualifying business assets through their estates.
Owners of private trading companies may qualify for Business Property Relief on eligible shareholdings or business interests.
Broadly, qualifying assets can include:
HMRC generally requires the deceased to have owned the relevant business or asset for at least two years, subject to specific exceptions.
Businesses mainly dealing in investments, securities or property investment do not normally qualify.
The IHT business relief £2.5 million allowance applies per individual, but any unused amount can transfer to the estate of a deceased person’s surviving spouse or civil partner.
This can increase the available allowance to £5 million, where the full unused allowance transfers.
Importantly, if the first spouse or civil partner died before 6 April 2026, HMRC treats their full £2.5 million allowance as available for transfer, even if their estate previously claimed business relief.
The transfer must be claimed within the applicable HMRC deadline. It is not an automatic additional allowance.
Farming families with agricultural property and trading business assets must assess both forms of relief together.
For example, a family farm may contain agricultural land qualifying for APR alongside machinery or business interests potentially qualifying for BPR.
The combined qualifying values determine how much of the 100% allowance is available.
Certain trusts holding qualifying agricultural or business property are also affected, although the application of the allowance depends on the trust arrangements and transitional provisions.
HMRC’s Reforms to Inheritance Tax Reliefs: Consultation on Property Settled into Trust explains the technical consultation and its outcome. This is historical consultation material; the subsequently updated HMRC guidance confirms the operative £2.5 million allowance.
Qualifying AIM-traded shares are another important exception. They generally receive 50% relief regardless of the availability of the 100% allowance.
Consider a family-owned trading company valued at £4 million. Its sole shareholder dies on or after 6 April 2026 and leaves the business to their children.
Assume the entire shareholding would otherwise qualify for 100% Business Property Relief, the deceased has the full £2.5 million allowance available, and there is no transferred allowance from a spouse or civil partner.
The Inheritance Tax calculation works as follows:
The first £2.5 million of qualifying business value is fully relieved. The remaining £1.5 million receives £750,000 of relief, leaving £750,000 potentially subject to inheritance tax.
Applying the standard 40% rate produces an initial liability of £300,000 before other exemptions, nil-rate bands or reliefs.
However, this is not necessarily the final tax payable.
For example, if the deceased’s entire £325,000 ordinary nil-rate band remained available and could be applied against the £750,000:
The actual liability depends on the wider estate, previous lifetime gifts, available exemptions and any transferred allowances.
If the full £2.5 million allowance from a deceased spouse or civil partner were available in addition to the individual’s allowance, the entire £4 million qualifying business could potentially receive 100% relief.
Once the 100% allowance has been used, the remaining qualifying value receives 50% relief rather than becoming fully taxable.
This means only half the qualifying value above the threshold remains in the inheritance tax calculation.
At the standard 40% inheritance tax rate, the effective charge on that excess is generally 20% before other allowances and exemptions.
Illustrative tax exposure on qualifying business value above the allowance
Effective rate before other allowances
50% of the excess remains taxable at 40%
Example: £1m excess
Potential IHT before other allowances
In BPR inheritance tax 2026 calculations, the qualifying value matters just as much as the valuation itself. Assets that receive only 50% relief under separate eligibility rules do not use the 100% allowance in the same way.
The standard £325,000 nil-rate band, other exemptions and any available transferred allowances are considered separately from Business Property Relief.
From 6 April 2026, eligible agricultural and business property can benefit from the option to pay inheritance tax in equal annual instalments over ten years, interest-free.
This may help family businesses manage succession-related cash flow without immediately selling qualifying assets.
However, if the relevant property is sold during the instalment period, outstanding tax may become payable.
The business property relief cap means succession planning should begin well before an ownership transfer or death. Families should establish the potential tax exposure and determine whether appropriate planning arrangements are already in place.
A business valued several years ago may have increased substantially in value through retained profits, property ownership or commercial growth.
An updated market valuation helps establish how much qualifies for relief and whether part of the business value exceeds the available allowance.
Not every company or business asset qualifies for BPR.
Business owners should check the company’s trading activities, shareholding arrangements and assets that may be excluded from relief.
Where a family uses a separate investment company, its eligibility must be assessed independently.
Also Read: Guide to Wealth Management For FICs
Making business gifts during a person’s lifetime can form part of an estate planning strategy. However, transferring shares or other business interests may create capital gains tax consequences, and inheritance tax treatment depends on the nature and timing of the transfer.
A gift is not automatically free from tax simply because it involves a family member.
The seven-year rules, Business Property Relief conditions and any previous transfers must all be considered.
For IHT business relief £2.5 million planning, married couples and civil partners should review how their wills and ownership arrangements interact with the transferable allowance.
Unused relief from the first death may increase the allowance available on the second death, but the outcome depends on the ownership structure, previous transfers and relevant claims.
Our inheritance tax and estate planning guide explains the wider considerations involved in protecting family wealth.
Family business value is not necessarily held in readily available cash.
Owners should consider whether beneficiaries could meet potential liabilities through existing liquid assets, appropriate funding arrangements or available instalment options.
Planning ahead can reduce the risk of a forced sale or disruption to the company’s operations.
At Apex Accountants & Tax Advisors, we help business owners and families understand the tax implications of transferring businesses, shares and other assets to the next generation.
Our support includes reviewing Business Property Relief eligibility, assessing the impact of the 2026 changes, examining ownership structures and working with relevant legal advisers on tax-efficient succession arrangements.
Through our estate planning services, we support individuals and families with long-term tax planning. We also provide inheritance tax services to help clients identify potential liabilities and understand available allowances and reliefs.
Whether you are planning to transfer a family-owned trading company, reviewing existing arrangements or assessing your future inheritance tax exposure, early professional advice can help protect business continuity and family wealth.
Book a free consultation with Apex Accountants to discuss how the £2.5 million BPR allowance may affect your succession and estate planning.
From 6 April 2026, the first £2.5 million of combined qualifying business and agricultural property still gets 100% inheritance tax relief per person. Anything above £2.5 million gets 50% relief instead of the previous unlimited 100%.
6 April 2026. Transfers on or after that date follow the capped rules; estates where death fell before then keep the old unlimited 100% relief.
The cap applies per person, and unused relief follows the transfer rules in the GOV.UK guidance, so married couples and civil partners typically protect more than £2.5m between them. Estate planning before any transfer is what determines how much of that is actually preserved – this is the decision point for family businesses.
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