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Metro Bank Introduces 95% to 100% Joint Borrower Mortgage

Metro Bank s new mortgage product allows first-time buyers to borrow up to 100% of their 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% to 100% Joint Borrower Mortgage

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 innovation aims to ease the path to homeownership.

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 first-time buyers who require financial support from family members. This offering allows borrowers to secure loans covering 95% to 100% of their property’s value, making homeownership more accessible for those struggling to enter the property market.

What is the Joint Borrower, Sole Proprietor mortgage?

The Joint Borrower, Sole Proprietor (JBSP) mortgage is designed for individuals who have immediate family, such as parents, willing to provide financial backing. This support can help borrowers manage potential missed payments or changes in financial circumstances, without requiring family members to share ownership of the property or contribute to the deposit.

Who benefits from this new mortgage product?

This product primarily benefits first-time buyers who may find it challenging to save for a deposit or secure a mortgage on their own. By allowing family members to act as joint borrowers, it provides a safety net for buyers while enabling them to retain full ownership of their new home.

What this means for first-time buyers

The introduction of the JBSP mortgage by Metro Bank is significant for first-time buyers in the UK. With rising property prices and stringent lending criteria, many potential homeowners feel excluded from the market. This product offers a viable solution, allowing buyers to use family support without diluting ownership. It reflects a growing trend in the mortgage sector that acknowledges the importance of family assistance in achieving homeownership.

What should borrowers watch for next?

As more lenders consider similar products, borrowers should stay informed about the evolving mortgage market. Monitoring interest rates, changes in lending criteria, and new offerings from various banks will be important. Additionally, understanding the implications of joint borrowing on future financial commitments is essential for prospective buyers.

Frequently asked questions

What is a Joint Borrower, Sole Proprietor mortgage?

A Joint Borrower, Sole Proprietor mortgage allows a borrower to secure a mortgage with the support of family members without them sharing ownership of the property.

How does family support work in this mortgage?

Family members can act as joint borrowers, providing financial backing to help manage missed payments or changes in circumstances, ensuring the primary borrower retains full ownership.

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.