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Metro Bank Introduces 95%-100% Mortgages for Joint Borrowers

Metro Bank has launched a new mortgage product allowing first-time buyers to borrow up to 100% of a property s value with family support.

By David Sampson
18 July 2026
3 min read
UK first time buyer mortgage article image for Metro Bank Introduces 95%-100% Mortgages for Joint Borrowers

TL;DR

  • Metro Bank s new Joint Borrower, Sole Proprietor mortgage enables first-time buyers to borrow up to 100% of a property s value with family support.
  • this could significantly ease the path to homeownership for many.

Written by David Sampson for Mortgage118. Last updated 18 July 2026. Reviewed against our editorial standards. Editorial standards. Mortgage118 is a directory — not FCA-authorised and not a mortgage adviser.

Metro Bank has unveiled a new mortgage product aimed at helping first-time buyers secure home financing with the support of family members. This initiative allows borrowers to access loans covering 95% to 100% of their property’s value, making it easier for those who might struggle to save for a substantial deposit.

What is the Joint Borrower, Sole Proprietor mortgage?

The Joint Borrower, Sole Proprietor (JBSP) mortgage is designed for buyers who can enlist immediate family members, such as parents, to act as joint borrowers. This arrangement allows family members to provide financial backing without taking ownership of the property or needing to contribute a deposit. The JBSP product has been available for several years, but Metro Bank’s latest offering aims to enhance access for first-time buyers.

How does this mortgage work?

Under this scheme, the primary borrower retains sole ownership of the property while benefiting from the financial security provided by the joint borrower. In the event of missed payments or changes in financial circumstances, the family member can step in to support the mortgage repayments. This structure is particularly appealing for buyers who may find it challenging to save for a traditional deposit, thus lowering the barriers to homeownership.

What this means for first-time buyers

This new mortgage product is a significant development for first-time buyers who often face daunting challenges in entering the property market. By allowing family members to assist financially without complicating ownership, Metro Bank is addressing a critical need. This could lead to an increase in home purchases among younger buyers and those with limited savings, potentially stimulating the housing market further.

Frequently asked questions

Who qualifies for the Joint Borrower, Sole Proprietor mortgage?

To qualify, the primary borrower must be a first-time buyer, and they need support from an immediate family member who can act as a joint borrower. The family member does not need to provide a deposit.

What should borrowers consider before applying?

Borrowers should assess their financial situation and ensure they can manage mortgage repayments independently. It’s also advisable to discuss the implications of involving family members in the mortgage agreement.

About David Sampson

David Sampson writes about the UK mortgage market for Mortgage118, covering specialist lending, market trends, and practical advice for borrowers. All content is reviewed for accuracy against FCA guidelines and current market data.

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