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UK Landlord Rental Income Stalls in the Mortgage Market

UK landlord rental income has plateaued at £59 billion, impacting over 2.88 million landlords amid rising costs.

By David Sampson
30 August 2026
3 min read
UK buy to let mortgage article image for UK Landlord Rental Income Stalls in the Mortgage Market

TL;DR

  • Landlord rental income has stabilised at £59 billion.
  • this affects over 2.88 million unincorporated landlords who may need to reassess their financial strategies.

Written by David Sampson for Mortgage118. Last updated 30 August 2026. Reviewed against our editorial standards. Editorial standards. Mortgage118 is a directory — not FCA-authorised and not a mortgage adviser.

The latest data from HMRC indicates that landlord rental income in the UK has plateaued at £59 billion, following a significant rise since 2020. This stagnation comes as landlords face increasing expenses and a challenging mortgage market, which could impact future investment decisions.

What does the plateau in rental income mean for landlords?

The plateau in rental income suggests a shift in property market dynamics, particularly for unincorporated landlords. While average property income increased to £20,500 in 2024-25, the growth rate is slowing, indicating potential market saturation. With 1.3 million landlords earning £10,000 or less, many may struggle to cover rising costs, especially in the current mortgage market where rates have been fluctuating.

How are expenses impacting landlords’ profits?

In 2024-25, landlords declared £34.8 billion in expenses, with significant portions allocated to residential finance costs (£12.82 billion) and repairs (£6.41 billion). These expenses account for a substantial part of the rental income, potentially squeezing profit margins. As landlords face increased operational costs, many may need to adjust rental prices or reconsider their investment strategies.

What should landlords watch for in the mortgage market?

Landlords should closely monitor developments in the mortgage market, particularly regarding interest rates and lending criteria. With a significant portion of rental income coming from London and the South East, regional economic conditions will also play a critical role in shaping the rental market. Understanding current mortgage rates and exploring options for refinancing could be important for maintaining profitability.

What this means for property investors

For property investors, the plateau in rental income signals a need for careful financial planning. With the market showing signs of stabilisation, investors should evaluate their portfolios, consider diversifying investments, and stay informed about market trends. Additionally, keeping an eye on the performance of furnished holiday lettings, which have seen a slight decline, is essential for strategic decision-making.

Frequently asked questions

What are the main factors affecting landlord rental income?

Landlord rental income is primarily influenced by regional demand, average property prices, and operational expenses, including mortgage rates and maintenance costs.

How can landlords manage rising costs?

Landlords can manage rising costs by reviewing their expense reports, considering rent adjustments, and exploring refinancing options to secure better mortgage rates.

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.