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Weaker Q2 Mortgage Demand Impacts Buy-to-Let Market

Mortgage demand has dropped significantly in Q2 2026, affecting buy-to-let investors amid rising borrowing costs.

By David Sampson
15 July 2026
3 min read
UK buy to let mortgage article image for Weaker Q2 Mortgage Demand Impacts Buy-to-Let Market

TL;DR

  • Mortgage applications fell 18.5% year-on-year in Q2 2026.
  • buy-to-let investors may face tougher borrowing conditions as remortgage applications also dropped significantly.

Written by David Sampson for Mortgage118. Last updated 15 July 2026. Reviewed against our editorial standards. Editorial standards. Mortgage118 is a directory — not FCA-authorised and not a mortgage adviser.

Recent data indicates a significant decline in mortgage demand during the second quarter of 2026, largely driven by elevated borrowing costs and ongoing affordability challenges. This trend is particularly relevant for buy-to-let investors, as the market adapts to these changing conditions.

What is driving the decline in mortgage applications?

Stonebridge’s latest Mortgage Market Index highlights a stark 18.5% decrease in mortgage applications from April to June compared to the same period last year. This decline is attributed to rising borrowing costs, with the average mortgage rate climbing to 4.97%, up from 4.31% in the previous quarter and 4.74% a year earlier. Notably, remortgage applications fell by 20.8%, while purchase applications dropped by 15.5%. First-time buyer applications also saw a decline of 15.7%, indicating broader market pressures.

How are buy-to-let mortgages affected?

The buy-to-let sector is particularly sensitive to these changes. With the average loan amount across all mortgages decreasing by 1.8% to £209,932, landlords may find it challenging to secure financing for new properties or to refinance existing loans. The shift in borrower preferences is evident, as the share of two-year fixed-rate deals increased to 70%, while five-year fixes decreased, reflecting a cautious approach amidst fluctuating rates.

What does this mean for landlords and investors?

For landlords, the current environment presents both challenges and opportunities. The decline in remortgage applications suggests that many may be hesitant to switch lenders or products, potentially locking them into higher rates. However, first-time buyers are still borrowing more, with an average loan amount of £216,984, up 1.5% year-on-year, which could indicate a continued demand for rental properties. As affordability pressures mount, landlords may need to consider adjusting rental prices or enhancing property appeal to attract tenants.

What should borrowers watch for next?

Borrowers should keep a close eye on future Bank of England decisions regarding interest rates, as these will significantly influence mortgage costs. Additionally, the ongoing geopolitical tensions could further impact funding costs, which may affect mortgage rates. As the market evolves, staying informed about trends in buy-to-let mortgage rates will be essential for making strategic investment decisions.

Frequently asked questions

How can I assess my buy-to-let mortgage options?

Utilising a BTL affordability calculator can help you evaluate your borrowing capacity and identify suitable mortgage products.

What are the current trends in buy-to-let mortgage rates?

Current trends indicate a shift towards shorter fixed-rate deals, with two-year fixed-rate options becoming more popular among borrowers, reflecting a preference for flexibility in uncertain market conditions.

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.