Iht Nil Rate Band Calculator

Inheritance Tax (IHT) Nil Rate Band Calculator

Percentage of a late spouse's unused £325k band.

Percentage of a late spouse's unused £175k band.

Direct descendants include children, grandchildren, and their spouses.

Calculation Summary

Standard Nil Rate Band: £0

Residence Nil Rate Band: £0

Total Tax-Free Threshold: £0

Taxable Estate: £0

Estimated Tax Due (40%): £0

function calculateIht() { var estateValue = parseFloat(document.getElementById('estateValue').value) || 0; var propertyValue = parseFloat(document.getElementById('propertyValue').value) || 0; var unusedNrbPct = parseFloat(document.getElementById('unusedNrb').value) || 0; var unusedRnrbPct = parseFloat(document.getElementById('unusedRnrb').value) || 0; var passingToDescendants = document.getElementById('passingToDescendants').checked; var baseNrb = 325000; var baseRnrb = 175000; // Calculate Transferable Nil Rate Bands var totalNrb = baseNrb * (1 + (unusedNrbPct / 100)); var potentialRnrb = baseRnrb * (1 + (unusedRnrbPct / 100)); // RNRB Tapering Logic // RNRB is reduced by £1 for every £2 the estate is worth over £2 million var taperThreshold = 2000000; var actualRnrb = 0; if (passingToDescendants && propertyValue > 0) { var currentRnrb = potentialRnrb; if (estateValue > taperThreshold) { var reduction = (estateValue – taperThreshold) / 2; currentRnrb = Math.max(0, currentRnrb – reduction); } // RNRB is capped at the value of the property actualRnrb = Math.min(propertyValue, currentRnrb); } var totalThreshold = totalNrb + actualRnrb; var taxableAmount = Math.max(0, estateValue – totalThreshold); var taxDue = taxableAmount * 0.40; // Display results document.getElementById('resStandardNrb').innerText = '£' + totalNrb.toLocaleString(); document.getElementById('resRnrb').innerText = '£' + actualRnrb.toLocaleString(); document.getElementById('resTotalThreshold').innerText = '£' + totalThreshold.toLocaleString(); document.getElementById('resTaxable').innerText = '£' + taxableAmount.toLocaleString(); document.getElementById('resTaxDue').innerText = '£' + taxDue.toLocaleString(); document.getElementById('iht-results').style.display = 'block'; }

Understanding the IHT Nil Rate Band

Inheritance Tax (IHT) is a tax on the estate (the property, money, and possessions) of someone who has died. Understanding your "Nil Rate Band" is essential for effective estate planning and ensuring your beneficiaries receive as much as possible.

1. Standard Nil Rate Band (NRB)

The standard Nil Rate Band is currently fixed at £325,000. This is the amount any individual can pass on tax-free. If the total value of your estate is below this threshold, no IHT is typically due. Anything above this is taxed at the standard rate of 40%.

2. Residence Nil Rate Band (RNRB)

Introduced to help families keep their homes, the RNRB provides an additional tax-free allowance of up to £175,000. To qualify, you must leave your main residence to "direct descendants," which includes children, step-children, and grandchildren. If your home is worth less than the RNRB, the allowance is capped at the property value.

3. Transferable Allowances

One of the most significant benefits for married couples and civil partners is the ability to transfer unused Nil Rate Bands. If the first spouse to die does not use their full allowance, the surviving spouse can claim the remaining percentage, effectively doubling their tax-free threshold to a potential £1 million (£325k + £325k + £175k + £175k).

4. The Tapering Rule

For larger estates, the Residence Nil Rate Band is gradually withdrawn. For every £2 that the estate value exceeds £2 million, the RNRB is reduced by £1. This means that for very large estates, the RNRB may be reduced to zero, leaving only the standard £325,000 allowance per person.

Example Calculation

Imagine a widow passes away with an estate worth £900,000, including a home worth £400,000 which she leaves to her children. She inherited 100% of her late husband's allowances.

• Total NRB: £325,000 (hers) + £325,000 (transferred) = £650,000
• Total RNRB: £175,000 (hers) + £175,000 (transferred) = £350,000
• Total Threshold: £1,000,000
• Result: Since the estate (£900,000) is less than the threshold (£1,000,000), no Inheritance Tax is due.

Disclaimer: This calculator is for illustrative purposes only and does not constitute financial or legal advice. Inheritance Tax rules can be complex, involving gifts, trusts, and business relief. Consult with a qualified professional for specific tax planning.