Inheritance Tax Planning: Reduce What Your Family Owes
Inheritance tax planning reduces what your family owes, but only if you understand the rules. At 40% above the £325,000 nil-rate band, inheritance tax can take a huge chunk from your estate — money that could otherwise go to your loved ones. The good news: with proper planning, exemptions, and strategies like gifts, trusts, and spousal transfers, you can legally reduce (or eliminate) your family's IHT bill. This guide walks you through how inheritance tax works in the UK, and what steps you can take now to protect your family's wealth.
What Is Inheritance Tax and Why It Matters
Inheritance tax (IHT) is a tax on the estate of someone who has died. When you pass away, HMRC values your entire estate — property, savings, investments, possessions, everything — and charges 40% tax on the amount above your nil-rate band.
The current nil-rate band is £325,000 (as of 2026). That means:
- Estates worth up to £325,000: no IHT
- Estates worth over £325,000: 40% tax on the excess
Here's a simple example. If you leave behind a £500,000 estate and you've used no planning:
- Nil-rate band: £325,000 (tax-free)
- Taxable amount: £175,000
- IHT at 40%: £70,000
Your family gets £430,000, not £500,000. That's the impact of not planning.
The reason this matters is that your estate often includes your home. A house worth £400,000 alone puts you into IHT territory. Add savings, investments, pensions (yes, some pensions count), and life insurance payouts, and it's easy to exceed £325,000.
HMRC's inheritance tax guidance confirms these thresholds and rates. The law is clear — but the strategies to reduce your bill require understanding exemptions and planning tools.
The Nil-Rate Band and Residence Nil-Rate Band
Your nil-rate band is the first "slice" of your estate that passes completely tax-free. Currently, that's £325,000 per person.
If you're married or in a civil partnership, there's a critical detail: when the first spouse dies, they can "transfer" their unused nil-rate band to their surviving spouse. That means the survivor can have a nil-rate band of up to £650,000 (their own £325,000 plus the deceased's).
But there's another threshold: the residence nil-rate band (also called the main residence allowance). This is a separate, additional allowance if your main home is left to direct descendants (children, grandchildren). As of 2026, this allowance is up to £175,000 per person (transferable to a spouse, bringing the total to £350,000 for a couple).
So a married couple with a home worth £400,000 and savings of £300,000:
- Combined nil-rate band: £650,000 (£325k each)
- Residence nil-rate band: up to £350,000 (if home goes to children)
- Total tax-free threshold: potentially £1,000,000
The home is protected, savings are protected, and IHT becomes zero — provided they plan correctly and leave the home to their children.
Gov.uk's residence nil-rate band guidance has the full details, including conditions.
Exemptions: Gifts, Spouses, and Charity
Beyond the nil-rate band, there are several categories of gifts and transfers that are completely exempt from IHT, no matter the value.
Spouse/civil partner exemption: You can give unlimited money or property to your spouse during your lifetime or in your will, tax-free. No limit. This is often the simplest planning tool — if one partner has a significantly larger estate, they can give assets to the other during their lifetime.
Annual exemption: You can give away up to £3,000 per tax year as gifts, tax-free. This doesn't reduce your nil-rate band; it's an extra allowance. Many people use this every year, gifting to children or grandchildren to gradually reduce their estate.
Gifts for marriage/civil partnership: If you give money as a wedding gift, it's exempt up to £5,000 from a parent (£2,500 from a grandparent, £1,000 from anyone else).
Small gifts exemption: You can give away unlimited small gifts (up to £250 each) to different people, as long as you haven't already given them more than £250 that year. Good for friends.
Charity exemption: Gifts to registered UK charities are completely exempt from IHT. If 10% or more of your estate goes to charity, the IHT rate on the rest drops from 40% to 36%. This can be a powerful tool if you care about charitable giving.
Regular gifts from surplus income: If you make regular gifts out of surplus income (e.g., £100/month to a child, or paying a grandchild's school fees), these are often exempt if they form a pattern and don't impact your standard of living.
The key is intent and planning. A one-off large gift looks different from a regular gift. A gift to a spouse is always exempt. A gift to a charity is always exempt. But gifts to other people are only exempt if made at least 7 years before you die (with tapering relief if 3–7 years before death).
Planning Strategies: Trusts, Gifts, and Life Insurance
Once you understand the exemptions, you can layer in planning strategies.
Lifetime gifting: Start giving away assets during your lifetime while they're exempt. Use your annual £3,000 exemption. Gift to children or grandchildren. These gifts are no longer part of your taxable estate when you die. Combined with the spousal exemption, strategic gifting can reduce your estate below the nil-rate band.
Trusts: A trust is a legal arrangement where you place assets (cash, property, shares) under the control of trustees, who hold them for the benefit of named beneficiaries. There are many types — settlor-interested trusts, bare trusts, nil-rate band trusts. Some trusts can protect assets from IHT entirely. Making Tax Digital: What UK Businesses Need to Know covers how trusts interact with tax reporting. A solicitor specializing in estate planning can advise which trust structure suits your situation.
Life insurance: A common strategy is to take out a life insurance policy that pays out upon your death, with the proceeds held in trust. The payout goes directly to trustees (not your estate), so it doesn't trigger IHT on the insurance proceeds. But it provides liquid funds so your family doesn't have to sell the house to pay the IHT bill on everything else. A £70,000 IHT bill is manageable if there's a £100,000 life insurance payout waiting.
Spouse exemption + separate wills: Use your full nil-rate band in your own will (leave £325,000 to children), then leave the rest to your spouse. When your spouse dies, they have their own £325,000 nil-rate band (plus any transferred from you). This means both nil-rate bands are used, protecting more wealth overall.
Property allowance: If you own rental properties, the current rules have some complexity — commercial property (land, buildings) can get 100% relief from IHT under certain conditions (agricultural/business property relief). If you're a landlord, this needs specialist advice.
Common Inheritance Tax Mistakes
Not using spousal exemptions: Many people have one spouse with a much larger estate but fail to use the spousal exemption to balance assets. Result: IHT is paid unnecessarily.
Ignoring the residence nil-rate band conditions: The £175,000 residence allowance only works if your home goes to a direct descendant. If you leave it to a friend, charity, or anyone else, you lose this allowance. You need to check your will actually requires this.
Holding assets in joint names: If you own property jointly (say, a second home), it's often treated as your sole asset for IHT purposes, not 50/50. This complicates estate planning. Get advice if you own multiple properties.
Forgetting that pensions can count: Some pensions (drawdown pensions, uncrystallised funds) are included in your estate for IHT purposes. Others bypass it entirely. Know which you have. UK Income Tax Explained: Bands, Rates, and Allowances discusses pension taxation; an advisor can clarify IHT treatment.
Not keeping records of gifts: If you gift £50,000 to a child, write it down. Is it a loan? A gift? If you die within 7 years, HMRC may challenge it. A simple letter saying "This is a gift, not repayable" protects your plan.
Delaying until it's too late: IHT planning works best years before death. If you're in poor health, gifting may be disallowed (gift with reservation of benefit rules). Start planning now, not when a diagnosis arrives.
Frequently Asked Questions
Q: Do I need inheritance tax planning if my estate is under £325,000?
A: Probably not for basic IHT. But if you're married and want to use both nil-rate bands, or you want to use the residence nil-rate band efficiently, planning helps. Also, your estate can grow (house prices, investments, pensions) — what's under the threshold now might not be later. A simple will costs £100–300 and ensures your nil-rate band isn't wasted.
Q: Can I give away money to my children now to avoid IHT later?
A: Yes, but with conditions. Gifts made more than 7 years before your death are completely out of your estate. Gifts made 3–7 years before death get "taper relief" (tax reduces the closer to 7 years). Gifts within 3 years are treated as part of your estate. So yes, gifting works, but you need to survive 7 years for the full benefit. That's why people start early.
Q: What about life insurance?
A: Life insurance is a smart pairing with IHT. The payout isn't usually subject to income tax (it's a lump sum), and if held in trust (not part of your estate), the proceeds aren't hit with IHT either. So a £100,000 policy in trust provides £100,000 liquid cash to the beneficiary, tax-free, to pay the IHT bill. It "funds" the inheritance tax so your family doesn't have to sell assets.
Q: Is there any way to get 0% IHT?
A: Yes. If your entire estate is below the nil-rate band (£325,000 per person, potentially £650,000+ if you use spousal relief and the residence allowance), IHT is zero. Many couples with a house and modest savings achieve this through planning. If you leave 10% to charity, the rate drops to 36% on the rest. Spouse transfers are 0%. But the most common way is to use exemptions and lifetime gifting to keep your estate under the threshold.
Q: My spouse died. Do I get their unused nil-rate band?
A: Usually yes, but you need to claim it and provide paperwork to HMRC when you die. The claim must be made within 2 years of your spouse's death, though. If you don't claim it within 2 years, you lose it. So contact HMRC or a solicitor soon after your spouse passes away.
Q: What if I own a business?
A: Business assets can qualify for business property relief (BPR), which may exempt them entirely from IHT. Farms get agricultural property relief (APR). These are specialised areas — get advice from a solicitor or accountant familiar with business succession planning.
Q: Do I need a solicitor?
A: Not always. If your estate is simple (one house, savings, no trust needed), an online will kit or a DIY template might work. But if you have a large estate, multiple properties, or want to use trusts, a solicitor (£500–2,000) is money well spent. Mistakes in wills are expensive to fix after death.
Inheritance tax planning sounds complex, but the core principle is simple: understand your nil-rate band, use exemptions, and plan gifts and trusts to keep your taxable estate below the threshold. Even small steps — using the annual exemption, making charitable gifts, balancing assets between spouses — reduce the bill significantly. Start now, keep records of gifts, and consider a will from a qualified solicitor if your estate is substantial. Your family will thank you.
For more on how tax allowances work generally, see Tax-Free Allowances You Should Know About in the UK. If you have investment income, Understanding Dividend Tax and the Allowance helps you understand tax planning more broadly. And Capital Gains Tax: How Much Will You Owe on Profits? is relevant if you're disposing of assets as part of your plan.