A joint mortgage is a home loan where two or more people (usually up to four) apply together and are jointly responsible for repaying the debt. This is common among couples, friends, or family members buying a property together. Both incomes are considered when assessing affordability, which typically allows a larger amount to be borrowed than either party could access alone.
All parties named on the mortgage are jointly and severally liable, meaning each person is individually responsible for the full amount, not just their share. If one borrower stops paying, the others must cover the full repayment. The property can be held as joint tenants (equal shares, with survivorship rights) or tenants in common (specified shares, each person can leave their share in a will).
Joint mortgages are available on all types of mortgage products — fixed, variable, repayment, or interest-only. It is important for all parties to agree how costs, equity, and any future sale proceeds will be divided, ideally documented in a legal agreement such as a deed of trust.
You and your partner earn £35,000 and £40,000 respectively. Individually, you could borrow around £157,500 and £180,000. Together, on a joint mortgage at 4.5x combined income, you could borrow up to £337,500, allowing you to buy a more suitable property.
Key Points
- Two or more people share responsibility for the mortgage
- Combined incomes increase the amount you can borrow
- All parties are jointly and severally liable for the full debt
- Property can be held as joint tenants or tenants in common
- A deed of trust is advisable to formalise ownership shares