When two or more people buy a UK property together, the mortgage is only half the picture – how you legally hold the property title matters just as much, and the two main structures work in genuinely different ways with different consequences down the line.
The Core Difference Between the Two Structures
As joint tenants, all owners hold the property equally and automatically, with no defined individual shares – if one owner dies, their share passes automatically to the surviving owner(s), regardless of what a will says. As tenants in common, each owner holds a defined, separate share (which can be equal or unequal), and that share passes according to their will or the rules of intestacy, not automatically to the co-owners.
Why Most Married Couples Default to Joint Tenants
For couples buying a home together with the clear intention of it passing entirely to the survivor, joint tenancy is simple and matches that intention directly, without needing a will to achieve the outcome. This is why it’s the most common structure for couples buying their main residence together.
Why Tenants in Common Suits Unequal Contributions
If one buyer is putting in a significantly larger deposit or ongoing contribution than another, tenants in common lets you reflect that with defined, unequal shares – say 70/30 – rather than the equal split joint tenancy assumes regardless of actual financial contribution.
Why This Matters More for Expats Specifically
If you and a co-buyer are in different countries, potentially subject to different inheritance and tax rules, being deliberate about ownership structure – rather than defaulting to whatever a solicitor suggests without discussion – can have meaningful consequences for how the property is treated on death, particularly if cross-border inheritance rules apply differently to each owner’s country of residence.
Changing the Structure After Purchase
It’s possible to convert between joint tenancy and tenants in common after buying, through a formal legal process called severance of joint tenancy (moving from joint to tenants in common) or the reverse. This isn’t something to do casually – it’s worth discussing with a solicitor if your circumstances or intentions have genuinely changed since the original purchase.
How This Interacts With Your Mortgage Specifically
The mortgage lender’s interest in the property sits alongside whichever ownership structure you choose – the lender is repaid regardless of how you’ve structured ownership between yourselves, but your choice affects what happens to each owner’s share of the equity, particularly on death or if the co-owners’ relationship changes. Our First-Time Buyer Expat Mortgages page covers the wider first-purchase process this decision sits within.
Buying With a Business Partner or Investment Co-Owner
If you’re buying an investment property with someone who isn’t a spouse or family member – a business partner, for example – tenants in common with clearly defined, documented shares is usually the more appropriate structure, since it avoids the automatic-survivorship consequence of joint tenancy that’s rarely what unrelated investment co-owners actually intend.
Reviewing Your Structure if You’re Remortgaging
If you’re remortgaging a jointly owned property, it’s a reasonable point to revisit whether your original ownership structure still reflects your current intentions and circumstances, rather than assuming it’s fixed forever from the original purchase. Our Expat Residential Remortgage page covers what that remortgage process involves.
If You’re Building a Portfolio With Co-Investors
For multiple properties held with the same co-owners, it’s worth applying a consistent, deliberate approach to ownership structure across the portfolio rather than deciding ad hoc for each property, since inconsistency can create confusion later about what was actually intended for each specific property. Our Property Portfolio Financing page covers how lenders assess multiple properties together.
Frequently Asked Questions
What happens to my share if I die as a joint tenant?
It passes automatically to the surviving joint tenant(s), regardless of what your will says – this is the defining feature of joint tenancy.
Can we split ownership unequally as joint tenants?
No – joint tenancy assumes equal shares by definition; unequal shares require tenants in common instead.
Can we change our ownership structure after buying?
Yes, through a formal process called severance of joint tenancy (or the reverse), though it’s worth discussing with a solicitor rather than doing this casually.
Does my mortgage lender care which structure we choose?
Not directly for their own repayment, but the structure affects what happens to each owner’s equity share, which is worth understanding clearly before choosing.
Get in touch to discuss your joint purchase, and we’ll help you understand the mortgage side while you get proper legal advice on the ownership structure itself.
