Inheritance Tax in the UK is often viewed as something only the wealthy need to worry about. The truth is very different. Rising property prices and changing financial circumstances mean many families now face IHT bills, sometimes unexpectedly. Good planning can make a huge difference, but small oversights can cost thousands. Here are the most common mistakes people make, why they matter and how to avoid them.

1. Thinking “It Won’t Affect Me”

A large number of estates now exceed the £325,000 nil-rate band purely because of property values. Add savings, pensions or investments and your estate could quickly pass the IHT threshold.

Avoid it: Get an up-to-date valuation of your assets. This includes property, savings, investments, business interests, life insurance (if not in trust) and personal belongings. This gives you a clear starting point for planning.

2. Waiting Too Long to Start Planning

The earlier you begin planning, the more options you have. Many tax-efficient strategies such as lifetime gifting — require a seven-year period before the value leaves your estate for IHT purposes. Leaving it until later in life can limit your choices.

Avoid it: Review your estate regularly and take action early. Even small, consistent steps over time can significantly reduce your taxable estate.

3. Failing to Use Available Allowances

There are several exemptions and reliefs that can reduce or remove IHT liability but they often go unused. Examples include:

• Annual gifting allowance of £3,000 per person
• Small gift allowance of £250 to any number of individuals
• Wedding gift exemptions (£5,000 to a child, £2,500 to a grandchild)
• The residence nil-rate band (up to £175,000 per person when passing your home to direct descendants)

Avoid it: Review allowances each tax year and use them. Unused allowances can sometimes be carried forward for one year but beyond that, they’re lost.

4. Not Having a Will

Without a will, the rules of intestacy decide who inherits and these rules may not align with your wishes. In some cases, intestacy can lead to a higher IHT bill because allowances and reliefs are not fully used.

Avoid it: Have a professionally drafted will that reflects your wishes, makes full use of allowances and avoids unnecessary tax liability.

5. Overlooking the Residence Nil-Rate Band

This additional allowance can be extremely valuable but it only applies if you leave your main home to direct descendants. If your estate is worth more than £2 million, the allowance begins to taper and it can disappear entirely.

Avoid it: Make sure your estate and will are structured so you qualify for this allowance.

6. Misunderstanding Lifetime Gifting Rules

Gifting during your lifetime can reduce IHT liability but many people misunderstand the rules. Large gifts are only fully exempt if you survive seven years from the date of the gift. Certain regular gifts from income can be exempt immediately but must meet specific conditions.

Avoid it: Keep records of all gifts and understand which exemptions apply. Without proper documentation, HMRC may treat gifts as part of your estate.

7. Ignoring the Use of Trusts

Trusts can be a highly effective part of IHT planning. They can protect assets, control how they are distributed and in some cases, reduce IHT. However, poorly structured trusts can have tax disadvantages.

Avoid it: Seek expert advice before setting up a trust. A properly drafted trust can work alongside your will to protect your estate.

8. Only Planning for the First Death in a Couple

Assets can usually pass to a spouse or civil partner free of IHT, which can create a false sense of security. The problem arises when the second partner dies, as the full estate may then be subject to IHT.

Avoid it: Plan for both deaths in a couple to ensure allowances are maximised and tax is minimised for the next generation.

9. Not Reviewing Plans When Circumstances Change

Changes in family circumstances such as marriage, divorce or the birth of children can affect your IHT position. Tax rules also change over time, meaning a plan that worked five years ago may no longer be effective.

Avoid it: Review your estate plan every few years or after major life events.

10. Trying to Manage It Without Expert Help

IHT planning is complex, involving tax law, trusts, property rules and succession planning. Small mistakes can have large consequences.

Avoid it: Use professional advice to create a plan tailored to your situation. The cost is often far less than the potential tax savings.

Protecting Your Estate and Your Legacy

Inheritance Tax planning is about more than reducing a bill from HMRC — it’s about making sure your estate is passed on in the way you intend. Starting early, using allowances and reviewing your plan regularly can prevent costly mistakes.

Paradigm Wills and Legal Services provides expert guidance in inheritance tax planning, wills and trusts. Whether you’re looking to protect your family home, reduce your estate’s tax liability or ensure your wishes are carried out without disputes, our team can help you create a clear, legally sound plan.

Book your first chat today:

Leicester Office: 0116 464 7055

London Office: 0208 194 7189

Email: [email protected]

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Serving Birmingham, Leicester, Ealing, Hampstead, Harrow, Highbury, London, and Tottenham.