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1.5 Million UK Homes Unmortgageable: What It Means

Over 1.5 million UK homes are classified as unmortgageable , impacting buyers and investors seeking alternative properties.

By David Sampson
3 August 2026
2 min read
UK residential mortgage article image for 1 5 Million UK Homes Unmortgageable What It Means

TL;DR

  • More than 1.5 million UK homes are considered unmortgageable due to various factors, affecting buyers and investors seeking alternative properties.
  • 21% of buyers have faced mortgage application rejections.

Written by David Sampson for Mortgage118. Last updated 3 August 2026. Reviewed against our editorial standards. Editorial standards. Mortgage118 is a directory — not FCA-authorised and not a mortgage adviser.

Recent research indicates that over 1.5 million homes in the UK are deemed ‘unmortgageable’ by mainstream lenders, impacting potential buyers and investors. This situation arises from properties failing to meet the lending criteria set by high street banks, which could limit the housing options available to many.

What Makes a Home Unmortgageable?

Properties may be classified as unfinanceable for several reasons, including structural issues like thatched roofs or solid-wall construction, as well as practical concerns such as short leases or the absence of essential amenities like kitchens and bathrooms. Additionally, locations near commercial premises or high-rise buildings can deter lenders from approving mortgages.

Who Is Affected by This Situation?

This issue primarily impacts buyers looking for affordable housing options, particularly those interested in renovation projects. Among potential buyers, 44% believe these properties offer better value compared to conventional homes. Furthermore, 35% of buy-to-let investors are drawn to these properties due to their rental income potential, despite the challenges in securing financing.

What This Means for Buyers and Investors

For individuals and investors in the property market, the high number of unfinanceable homes could limit choices and complicate the purchasing process. The research indicates that 21% of buyers have already experienced mortgage application rejections, while 32% reported a reduced pool of lenders willing to consider their applications. This highlights the necessity for alternative financing options or specialist lenders who can accommodate these unique properties.

Frequently Asked Questions

What should buyers do if their property is unfinanceable?

Buyers should consider seeking out specialist lenders who are more flexible with their criteria or explore alternative financing options such as renovation loans or bridging finance.

How can investors benefit from unmortgageable properties?

Investors may find unmortgageable properties appealing due to lower purchase prices and potential for value increase through renovations, despite the challenges in securing financing.

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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