Protecting the Family Business: Maximising Business Property Relief (BPR)

17th Apr 2026
4 Min Read

Without proper planning, inheritance tax (IHT) can force families to sell business assetsor even entire enterprises rto meet tax liabilities.

Business Property Relief (BPR) is one of the most valuable reliefs available, potentially reducing IHT on qualifying business assets by up to 100%. However, qualification is not automatic, and HMRC is increasingly scrutinising claims.

Careful planning is essential. RLK Solicitors encourage you take advice early and, when appropriate, as a multidisciplinary exercise, i.e. working alongside your existing Accountant and IFA.

What Is Business Property Relief?

Business Property Relief reduces the value of qualifying business assets for IHT purposes. It was introduced to prevent viable businesses from being broken up simply to pay tax, recognising that business assets are often illiquid and integral to ongoing operations.

There are two levels of relief:

  • 100% relief – typically applies to:
    • Trading businesses
    • Shares in unlisted trading companies
    • Interests in partnerships
  • 50% relief – may apply to:
    • Shares in listed companies where the deceased had control
    • Certain land, buildings, or machinery used in a qualifying business

The difference is significant. A £5 million business qualifying for 100% relief could save £2 million in IHT (at 40%), compared to £1 million at 50%.

Which Business Assets Qualify?

Eligibility depends on strict HMRC criteria.

Typically qualifying:

  • A business or interest in a business (e.g. sole trader or partnership)
  • Shares in an unlisted trading company
  • Controlling shares in a listed company
  • Personally owned land, buildings, or machinery used in a qualifying business

Typically excluded:

  • Investment businesses (e.g. property letting or investment portfolios)
  • Businesses mainly dealing in land, securities, or shares
  • Assets not primarily used for business purposes
  • Businesses mainly holding assets eligible for Agricultural Property Relief (APR)

The key issue is often whether a business is genuinely trading or primarily investment-based.

The Trading vs Investment Test

A business will not qualify if it consists “wholly or mainly” (i.e. more than 50%) of investment activities.

Clearly trading:

  • Manufacturing companies
  • Retail businesses
  • Professional services firms
  • Construction companies

Clearly investment-based:

  • Buy-to-let property companies
  • Investment holding companies

Grey areas:

  • Property development businesses
  • Mixed-use property businesses
  • Companies with large cash reserves
  • Furnished holiday lets
  • Care homes (depending on services provided)

HMRC looks at several factors, including income sources, asset composition, and how management time is spent. This is an area of increasing challenge from HMRC.

The Two-Year Ownership Rule

To qualify for BPR, assets must generally be owned for at least two years before death.

Key implications:

  • New businesses are exposed if death occurs within two years
  • Gifts reset the clock for the recipient
  • Replacement assets may qualify, but only with careful structuring
  • Lifetime gifts can still benefit if the recipient meets the two-year requirement

This rule makes early planning critical—last-minute restructuring is rarely effective.

Structuring Your Business to Maximise BPR

Separate trading and investment activities

Combining both in one entity can jeopardise relief. Separation helps preserve full BPR on the trading business.

Manage excess cash

Large cash reserves can suggest investment activity. Consider:

  • Paying dividends
  • Reinvesting in the business
  • Pension contributions
  • Clear documentation of commercial need

Review property ownership

  • Company-owned property may qualify for 100% relief
  • Personally owned property used by the business may qualify for 50%
  • Property held in separate investment companies usually does not qualify

Consider legal structure

  • Unlisted companies often provide the most efficient BPR outcome
  • Partnerships and sole traders qualify, but asset ownership structure matters
  • Listed companies have more limited relief

Common BPR Planning Mistakes

  • Poor documentation – HMRC expects clear evidence of trading activity
  • Mixed-use assets – partial business use can reduce or eliminate relief
  • Assuming all trading qualifies – this is not always the case
  • Last-minute restructuring – ineffective due to the two-year rule
  • Binding sale agreements – can disqualify assets from BPR

Succession Planning Considerations

BPR should form part of a broader succession strategy.

Lifetime gifting vs retaining assets

  • Retaining assets may secure full BPR on death
  • Lifetime transfers allow control, flexibility, and succession planning
  • CGT implications must also be considered

Balancing fairness and continuity

Not all family members may be involved in the business. Options include:

  • Different share classes
  • Trust structures
  • Life insurance to equalise estates

Trusts and BPR

Trusts can be effective but require careful structuring to preserve relief and manage tax charges.

Claiming BPR

BPR must be actively claimed on the IHT return and supported by:

  • Accurate business valuations
  • Evidence of trading status
  • Detailed supporting documentation

HMRC scrutiny is increasing, particularly for larger or more complex estates.

Recent Developments and Risks

  • Greater HMRC scrutiny, especially for mixed or property-heavy businesses
  • Evolving case law, often narrowing eligibility
  • Political uncertainty, with BPR periodically targeted for reform

This reinforces the importance of acting early.

Interaction with Other Reliefs

Effective planning often involves combining BPR with:

  • Agricultural Property Relief (APR)
  • Business Asset Disposal Relief (BADR) for CGT
  • Residence Nil Rate Band
  • Pension planning, which can sit outside the estate

When to Seek Advice

Professional advice is essential if:

    • Your business has mixed trading and investment activities
    • You hold significant property or cash reserves
    • Your current Will fails to accurately identify business assets
    • You are planning succession or restructuring
  • There are cross-border elements
  • HMRC is challenging a claim

Protecting Your Family Business

Business Property Relief can save substantial amounts of inheritance tax—but only with the right structure and long-term planning in place.

At RLK Solicitors, our wills, trusts, estate planning, and commercial teams work together to deliver integrated advice that protects both your business and your family’s future. If you would like advice on protecting your assets and planning ahead, our estate planning solicitors can help.

Contact RLK Solicitors today to discuss how to safeguard your business for the next generation.

Sophie Fairhurst

Sophie is a Trainee Solicitor in RLK’s Estate Planning team.

She previously trained in the firm’s Insurance Litigation department, gaining extensive experience in complex disputes and high-stakes negotiations.

Her background in litigation has given her a strong foundation in attention to detail, client care and strategic thinking, all of which are invaluable in Estate matters. Sophie supports clients through matters involving divorce and separation, financial settlements and child arrangements, taking a calm, practical and people-focused approach.

This article does not present a complete or comprehensive statement of the law, nor does it constitute legal advice. It is intended only to provide information on issues that may be of interest. Specialist legal advice should always be sought in any particular case.
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