Mortgage affordability: Why UK banks are lending bigger

Homeownership just got a lot more doable. Lower rates, looser rules, and quirky new products mean lenders are handing out bigger loans.

Three years ago, mortgage lending was constrained by rising interest rates, cautious affordability models, and regulatory pressure. Fast forward to 2026, and lenders are opening new doors by offering significantly higher loan amounts – particularly to first-time buyers. So what exactly is driving this shifting mortgage landscape?

First-time buyer schemes

The First Homes initiative, shared ownership models, and regional deposit support programs have lowered entry barriers for new buyers. On top of that, several High Street lenders have started to stretch affordability calculations to accommodate younger borrowers. As house prices remain elevated, these schemes have unlocked higher lending volumes.

Regulatory easing and loan-to-income flexibility

The Financial Conduct Authority has softened its stance on strict loan-to-income caps, allowing lenders to assess affordability with greater nuance. This has enabled banks and building societies to offer loans that better reflect regional income disparities and individual borrower profiles.

Lower interest rates

While interest rates peaked at 5.25% in 2023 during the inflationary surge, the Bank of England base rate has been lowered since and could come down further. This reduction has improved affordability metrics across the board, allowing lenders to offer larger loans without breaching stress test thresholds. Borrowers benefit from lower monthly repayments, which in turn supports higher borrowing capacity.

Five-year fixed rates

Many lenders are increasingly favouring five-year fixed-rate products over shorter-term deals. These longer fixes offer greater stability and reduce the risk of rate shocks, enabling lenders to apply more generous affordability assessments. With predictable repayments over a longer horizon, borrowers can access higher loan amounts – a trend particularly evident among first-time buyers and movers seeking certainty in a volatile market.

New entrants offering ultra-long fixed rates

The emergence of new lenders offering ultra-long fixed-rate mortgages – some stretching to 25 or even 40 years – has disrupted traditional affordability models. These products often come with enhanced borrowing limits due to their extended repayment terms and fixed interest structures. By fixing repayments over decades, lenders can justify higher loan amounts while maintaining manageable monthly costs.

Existing clients benefit from affordability reassessment

Many lenders have been freed from older, more restrictive means testing for existing clients, especially for borrowers who have demonstrated consistent repayment behaviour. This allows loyal customers to borrow more – whether for home improvements, debt consolidation, or upsizing. These changes indicate a renewed appetite for growth.

[i] With lending rules shifting and affordability opening up, now is the time to review your mortgage options before the landscape changes again. Call 03300 564 446 for more details.

This article is for general information purposes only and does not constitute financial advice or a personal recommendation. Your home or property may be repossessed if you do not keep up repayments on your mortgage. Mortgage availability and terms depend on your individual circumstances and are subject to lender criteria.

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