Mortgage landlords
In the ever-evolving landscape of property, landlords grappling with unprecedented challenges find themselves facing soaring mortgage interest payments amounting to a staggering £15 billion, marking a 40% increase. This surge, a significant concern for the mortgage landlord community, has sent shock waves through the property investment realm, prompting landlords to seek innovative solutions to safeguard their investments and financial well-being.
Amidst this turbulence, mortgage advisers emerge as indispensable allies for mortgage landlords, offering expertise to navigate the complexities of the buy-to-let portfolio.
The cumulative increase in mortgage interest payments has been triggered by a confluence of factors, including new investor acquisitions at elevated interest rates, the escalation of existing tracker rates, and the conclusion of fixed-term mortgage deals, as indicated in the property agent’s most recent Monthly Lettings Index.
The impact on mortgage landlords necessitates a strategic approach to weather the storm and secure a stable future for their property investments.
The Unprecedented Rise
The meteoric rise in landlord mortgage interest payments raises crucial questions about the factors contributing to this surge. Economic fluctuations, regulatory changes, and the dynamic nature of the property market all play pivotal roles. Understanding the intricacies of these elements is paramount for landlords striving to maintain financial stability amidst the shifting tides. In the past year, UK landlords have experienced a 40% surge in their mortgage interest payments, reaching a total of £15 billion, according to information provided by Hamptons.
Lets delve into the findings by Hamptons
Despite a decline in the number of outstanding buy-to-let mortgages since November 2022 due to investors paying down debt or selling properties, the total value of all mortgages has remained relatively stable during the same period. This stability is noteworthy, considering the recent increase in interest rates, which contrasts with the long-term trend of decreasing borrowing costs that began in 2015 and concluded in 2021. Over the period from March 2015 to November 2021, the total mortgage debt held by landlords experienced a 43% increase. However, the total mortgage interest paid decreased by 3% during this time frame, driven by declining interest rates.
The surge in borrowing by landlords did not primarily contribute to property acquisition, as the number of rented homes increased by only 4% over the same period. As landlords’ fixed mortgage terms expire, the study predicts a continued reduction in the number benefiting from low mortgage rates unless there is a substantial decrease in rates. Consequently, the £15 billion figure for mortgage interest payments is expected to persistently rise in the coming months and years, even if mortgage rates remain relatively stable.
According to the report, the average mortgage rate on outstanding landlord debt stood at 3.4% in August. However, the forecast indicates that if this rate reached 4%, landlords’ total annual mortgage interest bill would reach £17.9 billion. At average rates of 5%, it would escalate to £22.4 billion; at 6%, it would surge to £26.8 billion.
Mortgage interest now constitutes approximately 26% of all rental income in the UK, a significant increase from the low of 17% in January 2022. However, it’s essential to note that this figure includes rental income from landlords without mortgages. The average mortgaged landlord paid 37% of their rent on mortgage interest in August, up from a low of 24% in November 2021.
The study underscores that as more landlords confront higher mortgage rates, the proportion of rental income allocated to mortgage interest payments will continue to rise. At an average outstanding rate of 4%, approximately 43% of rental income paid to mortgaged landlords will go towards mortgage interest, rising to 54% at 5% rates and 64% at 6% rates.

Aneisha Beveridge, Head of Research at Hamptons
In addition to these financial dynamics, the report highlights that annual rental growth across the country remained in double digits during September, with the average cost of a new let increasing by 11.7% compared to the same period a year ago. This marks the second-fastest increase on record, surpassed only by August’s figure of 12%. The average rent in the UK has now reached £1,325 per month, up from £1,186 a year ago.
Notably, rents are rising more rapidly in London than in any other region, with the average cost of renting a property in Greater London being 15.7% more expensive at £2,376 a month compared to the same time last year.
In contrast, Wales recorded the lowest annual growth in rents, rising by 5.2% to £791 a month over the same period.
Aneisha Beveridge, Head of Research at Hamptons, emphasises the impact of rising mortgage interest rates on landlords, stating that it has become their largest cost. Even in the absence of further rate hikes by the Bank of England, Beveridge anticipates that the amount of mortgage interest paid by landlords could exceed £20 billion over the next two years. This has the potential to consume just over half of the amount that mortgaged landlords receive in rent, highlighting the financial strain on this segment of property investors.
Buy-to-Let portfolio management
In the face of escalating mortgage interest payments, mortgage landlords must adopt a strategic approach to managing their buy-to-let portfolios. Mortgage advisers, with their specialised knowledge, offer a lifeline to landlords seeking to optimise their investments. From identifying lucrative opportunities to restructuring existing portfolios, these advisers play a pivotal role in ensuring long-term financial success.
The role of mortgage advisers:
Mortgage advisers serve as beacons of knowledge and support in a sea of financial uncertainty. Their expertise extends beyond traditional mortgage transactions, encompassing a holistic understanding of the real estate market and the intricate web of regulations that govern it. Here’s how mortgage advisers can be instrumental in navigating the challenges posed by the surge in mortgage interest payments:
- Strategic Planning: Mortgage advisers collaborate with mortgage landlords to develop comprehensive, tailored strategies for managing mortgage interest payments. This includes evaluating the current financial landscape, anticipating market trends, and aligning investments with long-term financial goals.
- Risk Mitigation: In a climate of economic volatility, risk mitigation is paramount. Mortgage advisers assess the risk exposure of mortgage landlords and implement strategies to safeguard investments. This may involve diversifying portfolios, exploring alternative investment avenues, or restructuring existing mortgage arrangements.
- Compliance Guidance: Staying abreast of regulatory changes is a daunting task for mortgage landlords. Mortgage advisers act as interpreters of complex legal jargon, providing clear and concise guidance on compliance requirements. This ensures that mortgage landlords operate within the bounds of the law, avoiding potential pitfalls associated with non-compliance.
- Portfolio Optimisation: The dynamics of the real estate market necessitate constant portfolio evaluation. Mortgage advisers offer insights into optimising buy-to-let portfolios, identifying properties with high growth potential, and advising on divestment strategies for under-performing assets.
As landlord mortgage interest payments witness an unprecedented 40% surge to £15 billion, the need for strategic financial planning and expert guidance has never been more critical. Mortgage advisers emerge as the unsung heroes, equipped with the knowledge and experience to navigate the complexities of the real estate market. In collaboration with these advisers, mortgage landlords can not only weather the storm but also emerge stronger, with resilient and optimised buy-to-let portfolios that stand the test of time.