Business Property Relief and Agricultural Property Relief: IHT Guide 2026/27

What Are BPR and APR and Why Do They Matter?

Inheritance tax in the UK is charged at 40% on the value of an estate above the nil rate band. For a business owner or farmer, the most valuable assets -- the company, the farm, the trading premises -- could generate a tax bill that forces the sale of the very thing the family has spent generations building. BPR and APR exist to prevent this outcome.

Business Property Relief (BPR), introduced in 1976, reduces the chargeable value of qualifying business assets by 100% or 50%. Agricultural Property Relief (APR), introduced in 1981, reduces the agricultural value of qualifying farmland and farm buildings by 100% or 50%. Both reliefs apply to lifetime gifts and to assets held at death. They are applied before the NRB and RNRB, making them more powerful -- they eliminate the taxable value of qualifying assets rather than merely sheltering them within a fixed allowance.

Until April 2026, qualifying assets could be sheltered entirely from IHT regardless of their value. A GBP 10m family farm or a GBP 5m private company could pass free of IHT if conditions were met. The April 2026 reforms changed this: a combined GBP 1m cap now applies, and any qualifying value above GBP 1m receives only 50% relief.

Business Property Relief -- Qualifying Assets and Rates

BPR is available on two categories of property at two rates:

A business qualifies for BPR if it is wholly or mainly a trading business. Businesses that are wholly or mainly holding investments do not qualify. HMRC applies a multi-factor test: balance sheet asset composition, sources of income, and management time devoted to trading versus investment activities. A mixed company with significant property investments alongside a trading arm may fail the test if the investment element predominates.

Excepted assets: even within a qualifying business, assets that are not needed for business purposes are excluded from BPR. This commonly includes surplus cash, marketable securities, or properties not used in the trade. Before April 2026 this was manageable; now, with the GBP 1m cap in play, excepted assets reduce available cap headroom and require careful analysis.

Agricultural Property Relief -- Qualifying Conditions

APR reduces the IHT charge on the agricultural value of qualifying agricultural property. The relief applies at 100% in most cases.

Qualifying property includes: farmland and pasture occupied for the purposes of agriculture; farm buildings (grain stores, barns, livestock housing); farmhouses and cottages that are of a character appropriate to the agricultural land they serve; and agricultural tenancies (land let under qualifying farm business tenancies or older tenancies under the Agricultural Holdings Act 1986).

Ownership and occupation periods:

• Owner-occupied land: must have been owned and occupied for the purposes of agriculture for at least 2 years immediately before the date of death or gift.
• Tenanted land: must have been owned for at least 7 years and let for agricultural purposes throughout that period.

Character appropriate test for farmhouses: HMRC scrutinises whether a farmhouse genuinely qualifies. The property must be the home of someone who farms the land and must be proportionate to the landholding. A large detached house that happens to sit within a farm boundary but is not actively used by a working farmer may fail. HMRC case law (including Antrobus, McKenna and others) has narrowed the definition considerably.

APR is given on the agricultural value only -- the value the land would have if it were subject to a perpetual covenant restricting use to agriculture. Where land has a higher open-market value (due to development potential, for example), the excess above agricultural value may attract BPR if the farming operation is itself a qualifying business.

The April 2026 Reform -- GBP 1m Combined Cap Explained

The most significant change to BPR and APR in a generation took effect on 6 April 2026. A combined nil-rate cap of GBP 1,000,000 now applies across BPR and APR in any single estate (or across lifetime gifts within 7 years of death).

How the cap works:

1. The first GBP 1m of combined BPR and APR qualifying value is relieved at the full applicable rate (100% or 50%).
2. Any combined qualifying value above GBP 1m receives only 50% relief, regardless of whether the asset would otherwise qualify for 100% BPR or 100% APR.
3. The 50%-relieved excess is brought into the chargeable estate and taxed after deducting any remaining NRB and RNRB.

AIM Shares -- From 100% to 50% BPR

The Alternative Investment Market (AIM) is a sub-market of the London Stock Exchange designed for smaller, growth-oriented companies. Before April 2026, AIM shares in qualifying companies attracted 100% BPR after 2 years of ownership, making AIM portfolios a popular IHT planning tool. Advisers built managed "AIM IHT portfolios" specifically to exploit this relief.

From 6 April 2026, AIM shares qualify for only 50% BPR. This change applies to deaths and chargeable lifetime transfers on or after that date, regardless of when the shares were acquired. It does not grandfather existing holdings.

The practical implications are significant:

• A GBP 400,000 AIM portfolio previously sheltered GBP 400,000 from IHT (100% BPR). Now it shelters only GBP 200,000 (50% BPR), with GBP 200,000 remaining chargeable.
• AIM exposure also counts within the GBP 1m combined cap -- so a large estate with both farm assets and AIM shares must consider how the cap is allocated across both.
• Holders of AIM IHT portfolios should review whether the remaining 50% relief still justifies the concentration risk of AIM investments versus, for example, using the exemptions differently or revisiting whole-of-life insurance to fund the residual liability.

Private company shares (shares in companies not listed on any recognised stock exchange, including companies traded on NEX or Aquis Exchange) are not affected by the AIM change and continue to qualify for 100% BPR (subject to the GBP 1m cap).

The 2-Year Ownership Rule for BPR

BPR is only available if the qualifying business property has been owned for a minimum of 2 years immediately before the date of death or the chargeable lifetime transfer. This is a bright-line rule -- there are no exceptions for commercial or genuine trading reasons.

Key points on the 2-year rule:

• Continuous ownership: the 2 years must be continuous. Gaps (selling and rebuying) generally restart the clock, unless the replacement property rules apply.
• Replacement property: if you sell one qualifying business asset and replace it with another within 3 years, you can aggregate the ownership periods. Both assets must be qualifying property in their own right.
• Inherited property: if you inherit a qualifying business asset from a spouse or civil partner, you may add their ownership period to yours to meet the 2-year test.
• Binding contract for sale: if the business is subject to a binding contract for sale at the date of death (even if completion has not occurred), BPR is denied. This catches cross-option agreements in some circumstances -- seek specialist advice on the structure of buy-sell agreements.

Lifetime Gifts of BPR and APR Assets -- The 7-Year Rule

Lifetime gifts of BPR or APR qualifying assets to individuals are Potentially Exempt Transfers (PETs). If the donor survives 7 years from the gift date, the PET is fully exempt from IHT. If the donor dies within 7 years, the gift is clawed back into the estate.

BPR or APR may still apply to reduce the IHT charge on a clawed-back gift, but only if two conditions are met at the date of the donor's death:

1. The donee must still own the asset (or a qualifying replacement) at the date of death.
2. The asset must still qualify as BPR or APR property at the date of death.

If the donee has sold the shares or farmland, or if the company has ceased to trade, BPR is lost on that gift. The gift is then a PET that falls back into the estate at its original value (subject to taper relief after 3 years).

Taper relief and BPR/APR interaction: taper relief reduces the IHT rate on PETs that are clawed back after 3 years of survival. Taper applies only to the net chargeable value after BPR/APR. If BPR or APR fully exempts the gift, taper relief is irrelevant. If only 50% is relieved (for example, AIM shares above the GBP 1m cap), taper relief applies to the remaining 50% after years 3-7.

Interaction with NRB, RNRB and the Spouse Exemption

BPR and APR reduce the taxable value of assets before the nil rate bands are applied. This is the correct ordering:

1. Apply BPR/APR to qualifying assets (up to GBP 1m at full rate, 50% above).
2. Calculate the remaining chargeable estate (all other assets plus the 50%-relieved BPR/APR excess).
3. Deduct the available NRB (GBP 325,000 in 2026/27, potentially doubled to GBP 650,000 if transferred from a deceased spouse).
4. Deduct RNRB (GBP 175,000, potentially GBP 350,000 if transferred) where the main residence passes to direct descendants.
5. Charge 40% IHT on any remaining balance.

Spousal exemption and BPR/APR: transfers to a surviving spouse or civil partner are IHT exempt regardless. However, if BPR/APR assets pass to the surviving spouse, the relief is wasted on that transfer -- the spouse receives the assets tax-free anyway. On the spouse's later death, the clock restarts: the spouse needs to have owned the assets for 2 years to claim BPR. More tax-efficiently, BPR/APR qualifying assets are often left directly to children (using BPR/APR on the first death), while the rest of the estate passes to the spouse (using the spousal exemption), with the spouse's transferred NRB and RNRB available on their later death.

Planning Strategies After the April 2026 Reforms

The April 2026 changes require many business owners and farmers to revisit estate plans that previously assumed full BPR/APR exemption. Key planning considerations include:

• Lifetime gifts to start the 7-year clock. Gifting qualifying assets now begins the PET period. If BPR/APR still applies at death (donee still owns qualifying assets), the gift is sheltered. If the donor survives 7 years, the gift is fully exempt regardless. The GBP 1m cap applies per transferor per occasion, not cumulatively across multiple gifts -- but HMRC guidance on aggregation across multiple transfers should be reviewed carefully.
• Will restructuring. Direct BPR/APR assets to children or other beneficiaries on the first death to use the relief. Use discretionary trusts to allow post-death flexibility. Avoid leaving BPR/APR assets to a spouse unless there is no other tax-efficient option.
• Whole-of-life insurance. A policy written in trust can pay the IHT liability on value above the GBP 1m cap without the family needing to sell the business or farm. The premium is the ongoing cost; the payout is the solution.
• Excepted assets review. Identify and extract non-business assets from the company or partnership before death. Surplus cash held in a trading company reduces the qualifying BPR value available within the GBP 1m cap.
• AIM portfolio reassessment. Review whether AIM IHT portfolios still deliver sufficient benefit at 50% BPR. Consider the concentration risk of AIM against the reduced tax advantage, and whether alternative assets (private company investments, qualifying EIS/SEIS holdings) may be more appropriate.
• Pension assets. From April 2027, inherited pension funds are expected to become subject to IHT (the government consulted on this in 2024-25). This interacts with BPR/APR planning: pension funds previously used as an IHT-efficient inheritance vehicle may become less attractive, shifting the relative appeal of maximising BPR/APR assets.

Given the complexity of the post-2026 landscape, independent advice from a specialist IHT solicitor and a chartered tax adviser is essential for any estate where BPR/APR assets exceed GBP 500,000.