A Joint Borrower Sole Proprietor (JBSP) mortgage allows family members to help someone get onto the property ladder without being added to the property title. It’s a popular option for first‑time buyers who need support with affordability, but it comes with important legal implications — which is why lenders require Independent Legal Advice (ILA).
What Is a JBSP Mortgage?
A JBSP mortgage involves two or more people on the mortgage, but only one person owns the property. The additional borrowers help boost affordability but have no legal ownership of the home.
Why Lenders Require ILA
Lenders insist on ILA to ensure all borrowers understand:
-
They are fully liable for the mortgage
-
They have no ownership rights
-
Their credit rating may be affected
-
They remain responsible even if they move out
This protects both the lender and the supporting borrower.
Risks You Should Understand
-
You may be liable for the full mortgage if the owner cannot pay
-
You cannot claim a share of the property
-
Your ability to borrow in future may be affected
-
You may remain liable until formally removed from the mortgage
Final Thoughts
A JBSP mortgage can be a helpful solution, but it’s essential to understand the commitment. Independent Legal Advice ensures you’re fully informed before signing.
Need JBSP ILA? Book a same‑day appointment and receive your certificate immediately.


