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UK Inheritance Tax Calculator

UK Inheritance Tax Calculator 2026 | Top Insurance Guides

How the SKI Inheritance Calculator Helps You Plan Your Estate and Minimise UK Inheritance Tax

Inheritance Tax, often called the UK's most disliked tax, can feel complicated and overwhelming. Many families worry about leaving their loved ones with a large tax bill, potentially forcing them to sell precious assets like the family home.

The good news is that with careful planning, you can significantly reduce, or even eliminate, your estate's Inheritance Tax (IHT) liability. The first step is understanding what your potential bill might look like, and that's where our simple tool comes in.

This guide will walk you through how the SKI Inheritance Calculator provides a clear estimate of your IHT liability, empowering you to start planning your financial legacy today.

What is UK Inheritance Tax (IHT)?

Inheritance Tax is a tax on the 'estate' of someone who has passed away. Your estate is simply the total value of everything you own, minus any debts.

Currently, the standard rules are:

  • The Nil-Rate Band (NRB): Every individual has a tax-free allowance of £325,000. No IHT is due on estates valued below this amount.
  • The Residence Nil-Rate Band (RNRB): You get an additional £175,000 allowance if you pass your main home to your children (including adopted, foster, or stepchildren) or grandchildren.
  • The Tax Rate: Any part of your estate above your available allowances is typically taxed at a flat rate of 40%.

Spouses and civil partners can transfer any unused allowances to each other. This means a married couple could potentially pass on up to £1 million completely tax-free (£325k + £175k from each person).

Allowance TypeAmount per PersonPotential for a Couple
Nil-Rate Band (NRB)£325,000£650,000
Residence Nil-Rate Band (RNRB)£175,000£350,000
Total Potential Allowance£500,000£1,000,000

How to Use the SKI Inheritance Calculator

Our calculator is designed to be straightforward. By entering a few key details about your finances, you can get an instant estimate of your estate's potential IHT bill.

Here’s a step-by-step guide to the information you'll need:

Step 1: Your Assets This is the total value of everything you own. Be thorough and include estimates for:

  • Property (your home, buy-to-let properties)
  • Cash in bank accounts and savings
  • Stocks, shares, and ISAs
  • Valuable possessions like cars, jewellery, or art
  • Payouts from life insurance policies not written in trust

Step 2: Your Debts These are subtracted from your assets to find the net value of your estate. Common debts include:

  • Your outstanding mortgage
  • Personal loans or car finance
  • Credit card balances
  • Utility bills

Step 3: Gifts Made in the Last 7 Years If you have given away assets or cash worth more than your annual gift allowance in the seven years before your death, they may still be counted as part of your estate. The calculator will ask about this to provide a more accurate figure.

Step 4: Your Circumstances You will be asked about your marital status and whether you plan to leave your main home to your children or grandchildren. This helps the calculator determine if you can use the Residence Nil-Rate Band and any transferable allowances from a deceased spouse.

The Result Once you input the details, the SKI Inheritance Calculator will instantly show you:

  • The total net value of your estate.
  • Your estimated tax-free allowance.
  • The potential Inheritance Tax due.

Worked Example: How the Calculator Works in Practice

Let’s look at Sarah, a 65-year-old widow from Leeds. Her husband passed away a few years ago, leaving everything to her, so his IHT allowances were not used. She plans to leave her entire estate to her son.

Sarah's Estate:

  • Assets:
    • House: £550,000
    • Savings & ISAs: £200,000
    • Car & Possessions: £30,000
    • Total Assets: £780,000
  • Debts:
    • Outstanding mortgage: £50,000
    • Credit card: £5,000
    • Total Debts: £55,000

Calculation:

  1. Net Estate: £780,000 (Assets) - £55,000 (Debts) = £725,000
  2. Allowances:
    • Sarah's Nil-Rate Band: £325,000
    • Her late husband's unused Nil-Rate Band: £325,000
    • Sarah's Residence Nil-Rate Band: £175,000
    • Her late husband's unused Residence Nil-Rate Band: £175,000
    • Total Allowance: £1,000,000

Result: The calculator shows Sarah's £725,000 estate is well within her total available allowance of £1,000,000. Her estimated IHT bill is £0.

Without the calculator, Sarah might have worried that her £725,000 estate was over the basic £325,000 threshold, not realising the power of transferred allowances.

Common Mistakes When Estimating Your Estate

When using an IHT calculator, accuracy is key. Watch out for these common errors:

  • Forgetting Smaller Assets: The value of your furniture, electronics, and jewellery can add up. It all counts towards your estate's value.
  • Ignoring Life Insurance: If a life insurance policy is not written 'in trust', the payout becomes part of your estate and could push it over the tax threshold.
  • Underestimating Property Value: Use a realistic, current market value for your home, not what you paid for it years ago.
  • Misunderstanding Pensions: Most defined contribution pensions are not part of your estate for IHT purposes. However, it's a complex area, so it's always best to check.

Life Insurance and Protecting Your Legacy

If the calculator shows you have a potential IHT liability, don't worry. One of the most effective tools for managing this is a specific type of life insurance.

A 'whole-of-life' insurance policy is designed to pay out a lump sum when you die, whenever that may be. By writing this policy 'in trust', the money is paid directly to your beneficiaries, separate from your estate. This gives them a dedicated pot of cash to pay the IHT bill without having to sell other assets.

For example, if your estimated IHT bill is £80,000, you could take out an £80,000 whole-of-life policy. When you pass away, your beneficiaries receive the £80,000 tax-free to settle the bill with HMRC, leaving the rest of your estate intact.

As expert brokers, WeCovr can help you find the most suitable and affordable life insurance policy to protect your family's inheritance. Our specialists can guide you through the process of placing the policy in trust, ensuring your planning is as effective as possible.

What to Do After You Get Your Result

The calculator's result is your starting point for smart estate planning. Here are the next steps:

  1. Review the Numbers: Understand what makes up your estate. Is it mostly property? Or savings and investments?
  2. Explore Your Options: Think about the strategies available to you. Could you make use of annual gift allowances? Could you leave a portion to charity to reduce your tax rate?
  3. Seek Professional Advice: For complex estates or to create legal structures like trusts, it is always wise to speak with a qualified solicitor or independent financial adviser.
  4. Protect Your Beneficiaries: Contact a protection expert, like our team at WeCovr, to discuss how a simple life insurance policy can provide the funds to cover any potential IHT bill. If you take out a policy with us, you may be eligible for discounts on other types of cover.

Planning for your estate secures your family's financial future, but it's equally important to look after your own health in the here and now. Private Medical Insurance (PMI) is a separate consideration that gives you more control over your healthcare.

PMI is designed to cover the costs of diagnosis and treatment for new medical issues, known as acute conditions, that arise after you take out a policy. It gives you access to private hospitals and specialists, often helping you get seen and treated faster than you might on the NHS.

It is important to understand that PMI does not cover pre-existing conditions (illnesses you already have) or chronic conditions (long-term illnesses that cannot be cured, like diabetes or asthma).

The team at WeCovr can help you compare policies from leading UK insurers to find a plan that fits your needs and budget. As a bonus, our customers get complimentary access to CalorieHero, our AI-powered calorie tracking app, to help support a healthy lifestyle.

Frequently Asked Questions (FAQ)

1. Is my pension included in my estate for IHT? In most cases, modern defined contribution pension pots are held in a trust structure, which means they fall outside of your estate for IHT purposes. Your beneficiaries can usually inherit them tax-free. However, rules can be complex, so it's a good idea to check with your pension provider.

2. What if my partner and I are not married or in a civil partnership? Unmarried partners are treated as individuals for IHT. You cannot transfer unused allowances between you. This makes planning even more crucial. Using the SKI Inheritance Calculator can help you both understand your separate potential liabilities.

3. Can the Inheritance Tax rules change? Yes. Governments can change the tax thresholds (the nil-rate bands) and the 40% tax rate in budgets. That's why it's a good idea to review your estate plan every few years to ensure it's still effective.

4. How does writing a life insurance policy 'in trust' work? Placing a policy 'in trust' is a simple legal arrangement. It makes the payout from the policy the property of the 'beneficiaries' (the people you choose) rather than your own property. This means it is not counted as part of your estate and is not liable for IHT.


Ready to take control of your financial legacy?

Start by getting a clear picture of where you stand. Use the free SKI Inheritance Calculator today to get an instant estimate of your estate's tax liability.

Then, contact our friendly team at WeCovr for a free, no-obligation quote on a life insurance policy that can protect your loved ones from the burden of IHT.


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