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Inheritance Tax Reliefs for Farms and Businesses: What’s Changing in 2026
From April 2026, the UK’s inheritance tax reliefs for agricultural and business property are being tightened—this article tells you how estates are affected and steps you can take now.
By NomadicTax Research Team • 5-8 min read • May 9, 2026
## Overview of new inheritance tax rules
Starting **6 April 2026**, the UK government applies new restrictions to **Agricultural Property Relief (APR)** and **Business Property Relief (BPR)** under Inheritance Tax (IHT). The change caps full (100 %) relief at **£1 million of combined estates**, with **50 % relief** on value above that cap. ([gov.uk](https://www.gov.uk/government/publications/budget-2025-overview-of-tax-legislation-and-rates-ootlar/budget-2025-overview-of-tax-legislation-and-rates-ootlar?utm_source=openai))
## Who is impacted?
- Estates with business or agricultural assets whose combined value exceeds **£1 million**
- Previously exempt sizeable estates (top farms, large family businesses) will now pay partial IHT on the excess above the relief cap
- Reforms mostly target particularly wealthy estates—HMRC estimated around **1,100 estates** likely impacted as of December 2025. ([commonslibrary.parliament.uk](https://commonslibrary.parliament.uk/research-briefings/cbp-10181/?utm_source=openai))
## Specifics of the relief cap
- First £1 million of combined business + agricultural property assets: **100 % relief** applies
- Value above £1 million: **50 % relief** on that excess
- Applies to reliefs claimed under APR and BPR, in IHT valuations from 6 April 2026 onwards. ([commonslibrary.parliament.uk](https://commonslibrary.parliament.uk/research-briefings/cbp-10181/?utm_source=openai))
## Planning strategies to adapt
1. **Valuation review**: Get professional valuations of business and agricultural property now. If nearing the cap, consider restructuring or transferring assets prior to 6 April 2026.
2. **Lifetime gifting**: Gift portions of business or farm assets while full relief is available; careful to avoid pitfalls of gift-with-reservation or retained benefit rules.
3. **Trust structures and succession planning**: Consider incorporating trusts or family-limited partnerships, but note the specific IHT relief rules and anti-avoidance provisions.
4. **Corporate structuring options**: Where parts of farm or business can be incorporated to reduce the value falling under APR or BPR.
5. **Insurance planning**: Life insurance arrangements to cover potential IHT liability on estates exceeding the relief cap.
## Example case study
Sir John’s estate includes a family farm valued at £800,000 and shares in a business worth £500,000. Combined agricultural and business property total = £1,300,000. Prior to 6 April 2026, full relief on all assets might apply; after change, full relief on first £1 million = £1 million relief; for the remaining **£300,000**, relief is 50 %, so only £150,000 relief. The remaining £150,000 is added to taxable estate.
## Risk and collateral considerations
- **Affine timing ready**: Missing the 6 April 2026 entry point means higher IHT for estates above the cap
- **Asset liquidity**: If value comes from illiquid assets, covering IHT cost may be harder; make sure cash or liquid assets are in place
- **Changing market valuations**: Property and business valuations can fluctuate, potentially pushing estates over or under the threshold unpredictably
## What you should do now
- Begin estate planning early: assess assets before rule changes fully take effect
- Consult with IHT specialist advisors to explore riskiest exposure
- Review will and trust documents—update to reflect changes in relief eligibility
- Consider gifting strategies, whether direct to beneficiaries or via trusts, bearing in mind gift tapering reliefs and IHT windows
For farms and businesses handed down from generation to generation, changes in APR and BPR mean careful structuring and timing can make big differences.