For many couples, the decision to marry is a personal one, influenced by lifestyle choices, beliefs, or past experiences. However, this status has significant financial implications, particularly regarding Inheritance Tax (IHT) obligations.
Being unmarried can have very real financial consequences when it comes to IHT. Unlike married couples, unmarried partners do not benefit from the same tax exemptions, potentially leading to a larger tax burden.
We understand that navigating the complexities of IHT can be challenging. As experienced professionals, we are here to guide you through the implications of being unmarried on your IHT obligations and help you make informed decisions about your estate.
Key Takeaways
- Unmarried couples face different IHT obligations compared to married couples.
- The lack of tax exemptions for unmarried partners can lead to a larger tax burden.
- Understanding IHT implications is crucial for effective estate planning.
- Seeking professional guidance can help unmarried couples navigate IHT complexities.
- Being informed about IHT can help protect your assets and your family’s future.
Understanding Inheritance Tax in the UK
The UK’s Inheritance Tax system has implications for everyone, but particularly for unmarried couples. Inheritance Tax (IHT) is a tax on the estate of someone who has passed away, including all their assets, savings, and property.

What is Inheritance Tax?
Inheritance Tax is levied on the estate of the deceased before it is distributed to the beneficiaries. The tax applies to the total value of the estate, including:
- Property, such as homes and land
- Financial assets, including savings and investments
- Personal possessions, like jewellery and artwork
- Business assets, if applicable
The tax is usually paid by the executors of the estate, typically from the estate’s assets before distribution to the beneficiaries.
Current Rates and Thresholds
The current rate of Inheritance Tax in the UK is 40% on the value of the estate above the tax-free threshold. The threshold, known as the Nil Rate Band, is currently set at £325,000. An additional threshold, the Residence Nil Rate Band, applies if the deceased lived in the UK and left their main residence to direct descendants, such as children or grandchildren. This additional threshold is currently £175,000.
For example, if someone leaves their entire estate to their spouse or civil partner, there is no IHT due, regardless of the estate’s value. However, for unmarried couples, the situation is different, and IHT can be a significant consideration.
Key Exemptions and Reliefs
There are several exemptions and reliefs available that can reduce the Inheritance Tax liability:
- Spousal Exemption: Transfers between spouses or civil partners are exempt from IHT.
- Charitable Donations: Gifts to registered charities are exempt.
- Business and Agricultural Relief: Relief is available for business and agricultural assets under certain conditions.
- Gifts: Certain gifts made during one’s lifetime can be exempt if they fall under specific categories or if the donor survives for seven years after making the gift.
Understanding these exemptions and reliefs is crucial for effective estate planning, especially for unmarried couples who do not benefit from the spousal exemption.
The Legal Differences Between Married and Unmarried Couples
Inheritance tax laws treat married couples and civil partners more favourably than unmarried couples. This difference in treatment can have significant financial implications when one partner passes away.

Marriage and Tax Benefits
Marriage brings several tax benefits, particularly in terms of inheritance tax. One of the most significant advantages is the spousal exemption, which allows married couples to transfer their estate to each other without incurring inheritance tax. This exemption is not available to unmarried couples.
For married couples, the transfer of assets between spouses is exempt from inheritance tax. This means that when one spouse dies, they can leave their entire estate to the surviving spouse without incurring any inheritance tax liability.
Key benefits of marriage in terms of inheritance tax include:
- Spousal exemption, allowing tax-free transfer of assets between spouses
- Ability to transfer unused nil-rate band to the surviving spouse
- Potential to reduce inheritance tax liability upon the second death
Civil Partnerships vs. Unmarried Status
Civil partnerships offer similar tax benefits to marriage, including the spousal exemption for inheritance tax purposes. However, unmarried couples do not have the same rights and exemptions.
Unmarried couples don’t benefit from the spousal exemption. This means if one partner leaves their estate to the other, anything above the nil rate band of £325,000 may be taxed at 40 per cent. This can result in a significant tax liability for the surviving partner.
To mitigate this, unmarried couples can consider alternative strategies, such as:
- Drafting a comprehensive will to ensure their wishes are respected
- Using trusts to minimise tax liability
- Gifting assets during their lifetime to reduce the size of their estate
By understanding the legal differences between married and unmarried couples, individuals can better plan their estates and potentially reduce their inheritance tax liability.
How Unmarried Couples Are Taxed in Inheritance Situations
Unmarried couples in the UK need to understand the implications of inheritance tax on their assets when one partner passes away. Unlike married couples or those in civil partnerships, unmarried couples do not have the same tax benefits, particularly when it comes to inheritance tax.

Tax Rates for Unmarried Couples
When an unmarried partner dies, their estate is subject to inheritance tax. The current threshold is £325,000, and anything above this is taxed at 40%. Unmarried couples don’t have the flexibility that married couples or civil partners have; each partner has their own allowance, and anything unused cannot be transferred. This could mean the estate is exposed to inheritance tax at both stages of the couple’s passing rather than only once.
Inheritance tax can significantly impact the assets you leave behind for your loved ones. For instance, if one partner passes away and leaves their entire estate to the other partner, the surviving partner may face a substantial inheritance tax bill when they pass away, as they are not entitled to the same exemptions as married couples.
The Importance of Wills
Having a will is crucial for unmarried couples to manage their inheritance tax liabilities effectively. A well-drafted will can help ensure that your assets are distributed according to your wishes, potentially reducing the tax burden on your partner or other beneficiaries.
By making a will, you can also consider other strategies, such as gifts or trusts, to minimize inheritance tax. For example, gifts given more than seven years before your death are generally exempt from inheritance tax, and certain trusts can help protect your assets while you are alive and after you pass away.
We understand that discussing inheritance tax and making a will can be challenging, but it’s a crucial step in protecting your assets and ensuring your partner is provided for. By planning ahead, unmarried couples can mitigate some of the inheritance tax disadvantages they face compared to married couples.
Transfer of Assets and Inheritance Tax
The transfer of assets is a critical aspect of inheritance tax planning, particularly for unmarried couples who may not benefit from the same exemptions as married couples. Understanding how different types of asset transfers are treated is essential for minimising inheritance tax liability.
Gifts During Lifetime vs. Death Benefits
One key consideration is the difference between gifting assets during one’s lifetime and the benefits paid out upon death. Gifts made during a person’s lifetime can be subject to inheritance tax if they exceed certain thresholds, but there are specific rules and exemptions that apply.
For instance, gifts made more than seven years before the donor’s death are generally exempt from inheritance tax. However, if the donor dies within seven years, the gift may be subject to inheritance tax, depending on the amount and the donor’s other gifts in that period.
In contrast, death benefits, such as life insurance payouts, are typically paid out tax-free to the beneficiaries. However, if these benefits are paid into the deceased’s estate, they can increase the estate’s value and potentially lead to a higher inheritance tax liability.

Agricultural and Business Property Relief
Agricultural and business property reliefs are significant exemptions that can reduce the inheritance tax burden. Agricultural property relief can exempt farms and agricultural land from inheritance tax, provided certain conditions are met, such as the property being used for agricultural purposes.
Similarly, business property relief can exempt business assets, including shares in unquoted companies, from inheritance tax. This relief is crucial for business owners who wish to pass their businesses to the next generation without incurring a significant tax liability.
From 6 April 2027, changes to defined contribution pensions will be included in the estate’s value for inheritance tax purposes. This change will disproportionately affect unmarried couples, making it even more critical for them to plan their estate carefully.
By understanding the rules surrounding the transfer of assets and utilising available reliefs, unmarried couples can better plan their estate to minimise inheritance tax implications.
Matrimomy and the Inheritance Tax Allowance
The impact of marriage on inheritance tax allowances is substantial, offering married couples considerable advantages. When a spouse passes away, the surviving partner can benefit from the unused portion of the deceased’s inheritance tax allowance. This can significantly reduce the tax burden on the surviving spouse.
The Spousal Exemption Explained
One of the key benefits of marriage is the spousal exemption, which allows married couples to transfer assets between each other without incurring inheritance tax. This exemption is not available to unmarried couples. Additionally, married couples can combine their unused allowances when the second partner passes away. This includes both the nil rate band (£325,000) and the residence nil rate band (£175,000, if passing on a main home to direct descendants).
For example, if one spouse dies without using their full inheritance tax allowance, the unused portion can be transferred to the surviving spouse. This means the surviving spouse can have a total allowance of up to £1 million (£325,000 x 2 + £175,000 x 2), significantly reducing their inheritance tax liability.

Unmarried Couples’ Limitations
Unmarried couples, on the other hand, do not have the same benefits. They are not entitled to the spousal exemption, and their inheritance tax allowances are not transferable between partners. This can result in a higher tax burden when one partner passes away.
To mitigate this, unmarried couples should consider alternative strategies, such as drafting a comprehensive will or using trusts to minimize their tax liability. Seeking professional advice is crucial to navigate these complex issues and ensure that their assets are protected.
In summary, marriage offers significant inheritance tax advantages, including the spousal exemption and the ability to transfer unused allowances. Unmarried couples face limitations in this regard, making it essential for them to explore alternative planning strategies.
Planning Ahead: Strategies for Unmarried Couples
Unmarried couples face unique challenges when it comes to inheritance tax, but there are strategies you can employ to mitigate potential liabilities. Understanding and utilising these strategies can make a significant difference in protecting your assets and ensuring your wishes are respected.
Drafting a Comprehensive Will
One of the most critical steps unmarried couples can take is to draft a comprehensive will. Without a will, the laws of intestacy apply, which can lead to unintended consequences. For instance, an unmarried partner may receive nothing under intestacy rules, potentially leading to financial hardship. A well-crafted will ensures that your intentions are clearly set out, providing for your partner and other loved ones as you see fit.
Key elements of a comprehensive will include:
- Clear identification of beneficiaries
- Specific bequests of assets
- Appointment of executors and trustees
- Provisions for potential tax liabilities
By addressing these elements, you can create a will that not only reflects your wishes but also minimises potential inheritance tax liabilities.
Using Trusts to Minimise Tax Liability
Another effective strategy for unmarried couples is to use trusts to minimise tax liability. Trusts can provide a flexible way to manage and distribute assets while reducing the impact of inheritance tax. By placing assets in trust, you can remove them from your estate for inheritance tax purposes, potentially reducing your tax burden.
Types of trusts that can be beneficial include:
- Discretionary trusts, which allow trustees to distribute assets according to the settlor’s wishes
- Interest in possession trusts, which provide a beneficiary with a right to income from the trust assets
It’s essential to seek professional advice when setting up a trust to ensure it is structured in a way that meets your needs and complies with current tax regulations.

By combining a comprehensive will with the strategic use of trusts, unmarried couples can significantly mitigate the impact of inheritance tax on their estates. We recommend consulting with a professional to tailor a plan that suits your specific circumstances.
Common Misconceptions About Inheritance Tax
Misconceptions about Inheritance Tax are common and can have serious financial implications. Many people misunderstand how Inheritance Tax works, particularly in the context of marital status. We aim to clarify these misconceptions to help you plan your estate more effectively.
The ‘Common-Law Marriage’ Myth
A prevalent myth is that living together for a certain period automatically constitutes a ‘common-law marriage.’ This is not true under UK law. Regardless of how long you’ve been together, unmarried couples do not enjoy the same inheritance tax benefits of marriage. For instance, married couples can transfer assets between each other without incurring Inheritance Tax due to the spousal exemption. Unmarried couples, however, do not have this exemption automatically.
For more detailed information on the spousal exemption, you can visit MPEstatePlanning, which provides comprehensive insights into how this exemption works.
Misunderstandings About Tax Rates
Another misconception revolves around the tax rates applied to Inheritance Tax. Many believe that the tax rate is uniform across all assets. However, the reality is more nuanced. The current rate stands at 40% for assets above the £325,000 threshold, but there are inheritance tax exemptions for married couples that can significantly reduce this burden.
| Marital Status | Inheritance Tax Threshold | Tax Rate |
|---|---|---|
| Married Couples | £650,000 (combined) | 40% |
| Unmarried Couples | £325,000 (individual) | 40% |
Understanding these differences is crucial for effective estate planning. For example, married couples can potentially double their Inheritance Tax threshold when assets are transferred between spouses, a benefit not automatically available to unmarried couples.
To debunk more myths and understand the ground rules on gifts and Inheritance Tax, you can refer to Mooreks, which offers valuable insights into common misconceptions.
Consequences of Not Having a Will
The absence of a will can have far-reaching consequences for unmarried partners, affecting their financial security and legacy. When someone dies without a will, they are said to have died intestate, and the distribution of their estate is governed by intestacy laws.
Intestacy Laws in the UK
Intestacy laws in the UK are designed to distribute the deceased’s estate among their relatives, but these laws do not account for unmarried partners. This means that if you are not married or in a civil partnership, your partner may not inherit any part of your estate, potentially leaving them without the financial support they might need.
For instance, if you die intestate and have children, your estate will be divided between your children and your spouse (if you have one). However, if you’re unmarried and have no children, your estate will typically pass to your parents or other relatives, potentially disinheriting your partner. This highlights the importance of having a will, especially for unmarried couples.
How It Affects Unmarried Couples
Unmarried couples are particularly vulnerable when it comes to intestacy laws. Without a will, there’s no legal recognition of your partner’s right to inherit your assets. This can lead to significant financial hardship, especially if your partner is dependent on you financially.
To avoid such scenarios, it’s crucial for unmarried couples to make a will. By doing so, you can ensure that your partner is protected and provided for according to your wishes. Additionally, you can explore other estate planning strategies, such as setting up trusts, to minimize inheritance tax implications.
Key Considerations:
- Make a will to ensure your partner is included in your estate distribution.
- Review and update your will regularly to reflect any changes in your circumstances.
- Consider other estate planning tools, such as trusts, to minimize tax liabilities.
By taking proactive steps, unmarried couples can protect their partner’s financial future and ensure that their wishes are respected. It’s a crucial aspect of estate planning that can provide peace of mind and financial security for your loved ones.
Final Thoughts: Navigating Inheritance Tax As an Unmarried Couple
As we’ve discussed, the inheritance tax comparison between married and unmarried couples highlights significant differences in tax treatment. Unmarried couples face unique challenges when it comes to inheritance tax rules for cohabiting couples, often resulting in a higher tax burden.
Seeking professional advice is crucial in navigating these complexities. By consulting with a financial advisor, you can explore personalised planning strategies to minimise your tax liability. Utilising trusts and tax-efficient wrappers, such as pensions, can help relieve the tax burden and ensure a smooth transfer of assets to your chosen beneficiaries.
Expert Guidance for IHT Planning
Professional guidance can help you make informed decisions about your estate, taking into account the intricacies of inheritance tax. This expertise enables you to create a tailored plan that protects your assets and secures your partner’s financial future.
Open Discussions for a Secure Future
Having open and honest discussions with your partner about your wishes, assets, and plans is vital. This ensures that you both are on the same page and can work together to create a comprehensive plan that addresses your needs and concerns.
