PROPTECH-X : PRS Sector Sees £79bn Value Loss in the Last 36 Months

Key Takeaways

• PRS lost £79bn, 5.1% market value.
• 66,587 landlords transferred properties to companies in 2025.
• Buy‑to‑let purchases dropped to 10.9% of sales.
• Small landlords exiting; professionals retaining large portfolios.
• Corporate mortgages rose to 43% of BTL deals 2025.

Pulse Analysis

The private rented sector’s £79 billion value erosion reflects a confluence of policy and financing pressures that have not affected the wider UK housing market. Tax reforms—such as reduced mortgage‑interest relief for individuals—and higher interest rates have eroded the profitability of small‑scale buy‑to‑let investments. Coupled with the upcoming Renters’ Rights Act, which limits evictions and introduces new compliance costs, these factors have accelerated landlord exits and forced a strategic rethink among property owners.

Landlords are increasingly adopting corporate structures to mitigate tax liabilities, with Companies House data showing a record 66,587 transfers in 2025. While incorporation offers mortgage‑interest deductions, it also brings stamp‑duty surcharges, capital‑gains tax and higher borrowing rates, making it viable mainly for investors with sizable portfolios. Paragon Bank’s figures illustrate this trend: limited companies accounted for 43% of buy‑to‑let mortgages in 2025, up from 35% the previous year. Consequently, the sector is polarising—professional investors consolidate larger, more efficient holdings, while many small landlords exit the market.

For proptech firms, the shift toward institutional ownership opens new opportunities. Portfolio‑management platforms, AI‑driven risk analytics, and tenant‑experience apps must evolve to serve corporate landlords that demand integrated, scalable solutions. As the landlord base contracts but professionalizes, data‑rich operations will dominate, driving demand for advanced compliance tools and automated reporting. The market’s restructuring suggests a stable, albeit smaller, rental supply that will rely heavily on technology to maintain profitability and regulatory adherence.