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Rental Arrears Surge: Impact on Buy-to-Let Mortgages

Rental arrears have hit a record high, indicating ongoing tenant financial pressure and significant implications for buy-to-let landlords.

By David Sampson
15 May 2026
3 min read
UK buy to let mortgage article image for Rental Arrears Surge Impact on Buy-to-Let Mortgages

TL;DR

  • Rental arrears hit £2,281 in Q1 2026, with a year-on-year rise of just 2%.
  • this indicates a potential stabilisation in tenant financial pressures, impacting landlords strategies.

Rental arrears have reached an all-time high in the first quarter of 2026, signalling ongoing financial strain for tenants and potential implications for landlords in the buy-to-let mortgage sector. The average arrears have climbed to £2,281, reflecting the persistent challenges posed by rising living costs and high borrowing rates. However, the rate of increase has slowed significantly compared to previous years, which is a noteworthy development.

What are the current trends in rental arrears?

Recent data reveals that rental arrears have surged, reaching a record high in early 2026. The average arrears of £2,281 represent a modest 2% increase from the previous year, a stark contrast to the 27% and 23% jumps observed between Q1 2023 and Q1 2024, and Q1 2024 and Q1 2025, respectively. This deceleration in growth suggests that while tenants are still under financial pressure, the situation may be stabilising.

How do these trends affect landlords?

The rise in rental arrears is particularly significant for landlords, especially in light of the recent changes in tenancy laws, such as the Renters’ Rights Act and the abolition of Section 21 no-fault evictions. These changes have made landlords more cautious in managing their properties, as they now face reduced flexibility in tenancy arrangements. Furthermore, with the average traditional deposit at £1,308—substantially lower than the average arrears—landlords may need to rethink their deposit strategies and consider alternative security measures.

What should landlords watch for next?

Landlords should closely monitor the evolving market of rental arrears and tenant financial health. The recent data from UK Finance indicates a decrease in the number of buy-to-let mortgages in arrears on a quarter-on-quarter basis, suggesting some relief within the sector. However, landlords must remain vigilant about tenant stability and potential future legislative changes that could further impact their rental income and property management strategies.

What this means for buy-to-let mortgage investors

For investors in buy-to-let mortgages, the current state of rental arrears highlights the importance of thorough tenant vetting and ongoing financial assessments. With the average arrears now exceeding traditional deposit values, there is a pressing need for investors to ensure that their rental income can withstand potential arrears. Additionally, understanding the implications of the Renters’ Rights Act is important for making informed investment decisions in a shifting regulatory environment.

Frequently asked questions

What are rental arrears?

Rental arrears refer to the unpaid rent that tenants owe to their landlords. When tenants fail to pay their rent on time, it accumulates as arrears, which can lead to financial strain for both parties.

How can landlords mitigate the risk of rental arrears?

Landlords can mitigate the risk of rental arrears by conducting thorough tenant screenings, requiring adequate deposits, and maintaining clear communication with tenants regarding payment expectations and support options.

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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