Question 1

What is the difference between joint tenants and tenants in common on a mortgage?

Accepted Answer

When two or more people buy a property together in the UK, they must choose how to hold the legal ownership. Joint tenants means all owners hold the property together as a single unit — no individual owns a specific share. If one joint tenant dies, their interest passes automatically to the surviving joint tenant(s) under the right of survivorship, regardless of what their will says. Tenants in common means each owner holds a defined share of the property — which can be equal or unequal (for example, 60/40, 70/30). Each owner can leave their share to whoever they choose in their will, and it does not automatically pass to the surviving owner on death. On the mortgage itself, both structures typically involve all owners being jointly and severally liable for the whole debt — meaning the lender can pursue any or all borrowers for the full outstanding balance. The ownership structure (joint tenants vs tenants in common) is a conveyancing and title matter; it does not change the mortgage liability. The choice between the two structures is primarily about inheritance planning, tax efficiency, and how ownership should be split between the parties.

Question 2

Can two people with different income levels hold a mortgage as tenants in common with unequal shares?

Accepted Answer

Yes. Tenants in common with unequal shares is commonly used when one buyer contributes more to the deposit or expects to contribute more to the repayments, and the parties want the property ownership to reflect those contributions. A common scenario is a couple where one person contributes a larger deposit — perhaps using savings, an inheritance, or proceeds from a prior property sale — and the parties agree that person should hold a larger share. Unequal shares can also be arranged to optimise tax efficiency on rental income (for buy-to-let) or capital gains tax on sale, by allocating more of the ownership to the partner in a lower tax band. The ownership split must be formally recorded in a deed of trust (also called a declaration of trust) drafted by a solicitor. The mortgage liability itself remains joint and several regardless of the ownership split — both borrowers are responsible to the lender for the full amount — but the equity and any rental income or sale proceeds are divided according to the recorded shares. This arrangement is worth considering for any purchase where the financial contributions or tax positions of the two buyers differ meaningfully.

Question 3

What happens to the mortgage if one tenant in common dies?

Accepted Answer

If one tenant in common dies, their share of the property passes according to their will, or under the rules of intestacy if they have no will. Their share does not automatically pass to the surviving owner — this is the key difference from joint tenants. The practical effect for the mortgage is that the deceased's share now belongs to whoever inherits it (a spouse, children, or other beneficiary), and that new owner becomes a co-owner of the property alongside the surviving original owner. If the new owner wants to sell their inherited share, or if they are not a party to the mortgage, this can create complications. The mortgage lender holds the charge over the whole property regardless of ownership structure, so the debt must be managed — either by the surviving borrower maintaining repayments, or by the estate being administered and the property sold to repay the mortgage. For this reason, tenants in common co-owners are often advised to each hold a life insurance policy that would repay the mortgage if either died, preventing the survivor from having to deal with a co-ownership dispute during a period of bereavement.

Question 4

Can I change from joint tenants to tenants in common without remortgaging?

Accepted Answer

Yes. Changing the ownership structure between joint tenants and tenants in common (known as severing the joint tenancy) is a conveyancing matter, not a mortgage matter. You can change the ownership title without needing to refinance or notify the mortgage lender. The process involves one party serving a notice of severance on the other co-owner and registering the change at HM Land Registry. A solicitor can handle this for a relatively modest fixed fee. The reverse — changing from tenants in common back to joint tenants — requires a new deed of trust and registration. Lenders generally do not need to be involved in either direction, as their security (the mortgage charge over the property) remains unaffected. However, if the change to tenants in common also involves transferring ownership shares — for example, adding a party or changing the percentage each person owns — that is a transfer of equity, which does require lender consent and typically a new conveyancing transaction. Purely changing the ownership type between the existing owners without altering who owns the property or in what proportion does not require lender consent.

Question 5

Do lenders treat joint tenants and tenants in common differently for mortgage affordability?

Accepted Answer

No — from a mortgage affordability perspective, lenders treat joint tenants and tenants in common identically. In both cases, the lender assesses the combined income of all borrowers and applies its affordability criteria to the total joint income and the total loan required. All borrowers are jointly and severally liable for the mortgage debt regardless of ownership structure. The distinction between joint tenants and tenants in common is irrelevant to the underwriting assessment. What can affect affordability in joint ownership applications is the number of applicants, whether each applicant's income is accepted in full or partially, and the lender's policy on including income from multiple sources — self-employment, contract work, or other complex income — for each borrower. For a purchase where one borrower has complex income and the other has a straightforward salary, the lender's methodology for the complex-income borrower is the main variable, not the ownership structure chosen.

Question 6

Is tenants in common a better structure for self-employed or complex income buyers?

Accepted Answer

Tenants in common can be advantageous for self-employed or complex income buyers in specific circumstances, but the ownership structure choice is driven by personal and tax considerations rather than the income type itself. The most common scenario where tenants in common offers a planning advantage for complex income buyers is when one party is a higher-rate taxpayer and the other is a basic-rate or non-taxpayer. For a property held as tenants in common, rental income and capital gains are split in proportion to the declared shares — so allocating a larger share to the lower-rate taxpayer can reduce the overall tax bill. For a property bought with a partner where one is self-employed with variable income and one is a salaried employee, a tenants in common structure with unequal shares formalised in a deed of trust protects the larger initial contribution of whichever party put in more — whether that is deposit, stamp duty, or other costs. The conveyancing solicitor and, ideally, an accountant or financial adviser should be consulted when choosing the ownership structure, as the right answer depends on individual tax positions, estate planning wishes, and the relative contributions of each buyer.

Joint Tenants vs Tenants in Common FAQ