1 Your relationship status
This determines which allowances apply to your estate.
Your estate uses a single Nil-Rate Band (£325,000) and Residence Nil-Rate Band (£175,000).
This calculator estimates IHT on second death — typically when IHT becomes payable. Married couples can combine allowances, up to £1,000,000 combined threshold.
If your late spouse did not use their Nil-Rate Band, you may be able to claim a transferred allowance.
2 Properties
Add each property you own. The net value (after mortgage) is used in your estate. Your main residence may qualify for the Residence Nil-Rate Band.
3 Dental practice / business interests i
Business Property Relief (BPR) automatically applies. 100% relief up to £2.5m (£5m for couples), 50% above that.
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Include goodwill, equipment, and your share in any trading dental business. BPR is applied automatically.
4 Other assets & investments
Add savings, investments, and personal assets. Use the dropdown to prompt yourself on what to include.
5 Pension funds New from April 2027
From 6 April 2027, unused pension funds will be included in your estate for IHT purposes under the Finance Act 2026. This calculator includes your pension value in the estimate.
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6 Life insurance (not in trust)
Only include policies NOT held in trust. Policies in trust fall outside your estate and should not be included here.
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7 Other liabilities
Outstanding loans (excluding property mortgages), credit cards, hire purchase, and other debts. These reduce your estate value.
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8 Gifts made in the last 7 years (optional)
Include significant gifts of money or assets made in the past 7 years. Exclude: small gifts under £250 per recipient per year, the annual £3,000 exemption, and wedding gifts.
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Disclaimer: This tool provides an indicative estimate only and does not constitute financial or tax advice. The calculation is based on current legislation and published rates and thresholds as at April 2026. Individual circumstances vary; professional advice should be sought before making any decisions. Hive Accountancy Ltd is not an FCA-regulated financial adviser.
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