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The Impact of Rent Controls on the UK Mortgage Market

Rent controls may seem beneficial but could worsen housing shortages and impact the mortgage market.

By David Sampson
17 June 2026
3 min read
UK buy to let mortgage article image for The Impact of Rent Controls on the UK Mortgage Market

TL;DR

  • Rent controls, while politically appealing, often lead to reduced rental property availability and quality.
  • landlords may exit the market, impacting housing supply.

Written by David Sampson for Mortgage118. Last updated 17 June 2026. Reviewed against our editorial standards. Editorial standards. Mortgage118 is a directory — not FCA-authorised and not a mortgage adviser.

Recent discussions around rent controls have reignited debates about their potential impact on the UK mortgage market. Advocates for stronger rent regulations, including prominent figures like Andy Burnham and Sadiq Khan, argue that such measures are necessary to protect tenants. However, historical evidence suggests that rent controls may exacerbate housing shortages rather than resolve them.

What are the potential effects of rent controls?

Proponents of rent controls argue that they can provide immediate relief for tenants facing rising rents. However, the historical data indicates that such policies often lead to unintended consequences. For instance, when Berlin implemented a rent cap on apartments built before 2014, the number of rental listings plummeted. This resulted in increased rents for properties outside the controlled market, as demand shifted to a limited supply.

How do rent controls impact landlords?

Landlords, particularly smaller ones who own one or two properties, may find rent controls untenable. The risks associated with maintaining properties under price caps can lead many to reconsider their investments. If landlords perceive that the returns do not justify the risks, they may choose to sell their properties or exit the rental market altogether. This trend could further diminish the available rental stock, compounding the housing crisis.

What does this mean for the mortgage market?

The mortgage market is intricately linked to the rental market. As rental properties become scarcer due to rent controls, the demand for mortgages may shift. Potential buyers may be deterred from investing in rental properties, leading to a decline in buy-to-let mortgages. Furthermore, if landlords exit the market, this could lead to a reduction in property values, affecting both current homeowners and prospective buyers.

What this means for tenants and potential investors

For tenants, the immediate allure of rent controls may be overshadowed by the long-term implications of reduced housing supply. While rent caps might provide short-term relief, they could lead to a decrease in available rental options and increased competition for remaining properties. For potential investors, the uncertainty surrounding rent controls may deter investment in rental properties, leading to a stagnation in the housing market.

Frequently asked questions

Will rent controls help tenants in the long run?

While rent controls may provide temporary relief, historical evidence suggests they can lead to a decrease in the quality and quantity of rental properties, ultimately harming tenants.

How should landlords respond to potential rent control policies?

Landlords should evaluate their investment strategies and consider the long-term implications of rent control policies. Staying informed about market trends and potential legislative changes will be important in making informed decisions.

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.