When a property is worth a substantial part of your estate, leaving its future to assumption is a costly risk. Tenants in common inheritance planning gives each owner a defined share of a property and, crucially, the ability to decide who should inherit that share. For couples with children from previous relationships, unmarried partners, landlords and business owners, that control can make a significant difference.
The arrangement is often misunderstood because many people assume that co-owning a home means it will automatically pass to the surviving owner. That is not always the case. How a property is legally owned, and what your will says about your share, must work together if your intentions are to be carried out.
What tenants in common means
A property can be owned jointly in two main ways: as joint tenants or as tenants in common. The language is similar, but the inheritance outcome is very different.
Joint tenants own the whole property together. When one owner dies, their interest passes automatically to the survivor under the right of survivorship. It does not pass under the deceased person’s will, even where that will says something different.
Tenants in common each own a separate share. This may be an equal 50/50 split, but it does not have to be. One owner may hold 70 per cent and the other 30 per cent, for example, where they made different contributions. On death, each person’s share forms part of their estate and passes in accordance with their will, or under the intestacy rules if there is no valid will.
This is why the ownership structure deserves proper attention. It is not simply an entry on the Land Registry. It determines whether you retain control over the inheritance of an asset you may have spent decades building.
Why inheritance planning matters for co-owned property
Tenants in common inheritance planning is particularly useful when the people who own a property do not want the automatic-survivorship outcome of joint tenancy. A common example is a couple who want the surviving partner to remain secure in the family home, while ensuring that the deceased’s share ultimately passes to their own children.
Without suitable planning, there can be difficult choices. Leaving your share directly to children may mean they become co-owners alongside your surviving partner. That can create practical and emotional pressure if the property later needs to be sold. Leaving everything outright to a surviving spouse or partner may be entirely right for some families, but it can also mean the eventual inheritance is exposed to future circumstances outside your control, such as remarriage, changed wishes, financial difficulty or care costs.
The appropriate route depends on the family, the property and the wider estate. There is no single structure that suits every couple. The value lies in identifying the risks before they become a problem.
Protecting children from an earlier relationship
Blended families are one of the clearest reasons to review property ownership. A parent may naturally wish to protect their partner’s right to live in the home, while also preserving an inheritance for children from an earlier relationship.
A will incorporating an appropriate trust can sometimes achieve both aims. It may allow the surviving spouse or partner to live in the property for their lifetime, or until a specified event, while preserving the deceased’s share for named beneficiaries afterwards. The exact terms need careful drafting. Questions such as who pays the mortgage, maintenance, insurance and eventual sale costs should be addressed clearly, rather than left for a family to work out during a bereavement.
This is not about creating distrust between family members. It is about putting fair, clear arrangements in place while everyone is able to make measured decisions.
Recognising unequal contributions
Tenants in common can also be appropriate where co-owners have contributed different amounts to a purchase. This can arise when one person provides a larger deposit, where a parent contributes funds, or where investors buy a property together.
If the ownership percentages matter, they should be recorded properly. A declaration of trust can set out the respective shares and explain what should happen if the property is sold. Your will should then deal with your own share in a way that fits your broader estate plan.
Relying on informal conversations is rarely enough. Memories differ, relationships change and verbal agreements are hard to prove when they matter most.
The essential steps to take
A sound plan begins by confirming how the property is held now. Your title register will usually show whether a restriction is in place that indicates a tenants in common arrangement, but professional advice can help you interpret the position accurately. Do not assume that an old understanding with a solicitor, lender or former partner is reflected in the current legal ownership.
If you own as joint tenants but want your share to pass under your will, the joint tenancy can usually be severed. This is a formal process that changes the ownership to tenants in common. It should be documented correctly and the appropriate Land Registry restriction applied. Severing a joint tenancy does not, by itself, decide who receives your share. It simply creates the ability for your will to do so.
The next step is to review your will. A will that leaves “my estate to my spouse” may be suitable in some circumstances, but it may not deliver the protection you want for children, business interests or property investments. Equally, a trust will is not automatically the right answer. It brings greater control, but it also needs clear administration and should be chosen for a genuine reason, not because it sounds protective.
Finally, consider the property as part of your whole estate. Mortgage debt, life insurance, pensions, business shares, other investments and expected inheritances may all affect the best solution. A property plan made in isolation can easily conflict with the rest of your wishes.
Common mistakes that cause avoidable problems
The most common mistake is making a will but never checking the form of ownership. A carefully drafted clause cannot override the survivorship rules that apply to joint tenants. If the property remains jointly owned, your intended beneficiaries may receive nothing from that asset on the first death.
Another is severing the joint tenancy but failing to update the will. In that case, the share may pass under an outdated will or, if there is no valid will, under the intestacy rules. For unmarried couples, this is particularly serious. Cohabiting partners do not have the same automatic inheritance rights as married couples or civil partners, regardless of how long they have lived together.
Property owners also sometimes use tenants in common believing it will automatically protect a share from every future claim. It does not create a blanket shield. Divorce, creditor claims, insolvency, tax rules and local authority financial assessments all have their own legal considerations. Good planning is about sensible protection within the law, not promises that no future event can affect an asset.
Tax, care and practical considerations
Inheritance Tax should be considered, especially where property and business assets take an estate above available allowances. The transferable nil-rate band and residence nil-rate band can be valuable for married couples and civil partners, but the effect of a trust, the beneficiaries involved and the value of the estate all need to be reviewed carefully.
Long-term care planning also needs a balanced approach. Changing ownership shortly before care is required, or giving away assets primarily to avoid care fees, can lead to challenge under deprivation of assets rules. Decisions should be made as part of a genuine, long-term estate plan and supported by proper advice.
For landlords and property investors, there are further questions. Is the property personally owned, owned with a partner or held through a company? Could a death leave beneficiaries managing a rental asset with no experience or appetite for it? Should the beneficiaries receive the property, sale proceeds or another asset of equivalent value? The answer may affect your will, any shareholder arrangements and your plans for business continuity.
When to review your arrangement
Property ownership and wills should be reviewed after a marriage, divorce, separation, new relationship, house move, major purchase, inheritance or birth of a child. A business sale, a significant change in wealth or a diagnosis that affects future capacity should also prompt a review.
It is also wise to check your arrangements where your will is more than a few years old. Laws, family circumstances and asset values change. A plan that was sensible when a first home was purchased may no longer be sufficient once that home, a rental portfolio or a business represents a substantial family legacy.
A clear tenants in common arrangement, supported by a properly drafted will, can prevent uncertainty at a time when your family needs clarity most. The right plan is not the most complicated one. It is the one that reflects your wishes, protects the people you care about and gives the people left behind a practical route forward.