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Impact of Rent Controls on Landlords and Tax Relief

New proposals for rent controls could save renters £1,200 annually; tax relief changes may protect landlords from losses.

By David Sampson
14 May 2026
3 min read
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TL;DR

  • Rent controls could save renters nearly £1,200 annually.
  • reinstating tax relief for landlords may prevent financial losses, especially for mortgaged property owners.

The Joseph Rowntree Foundation (JRF) has revealed that proposed rent controls in England would not adversely affect landlords if tax relief is reinstated. This development is significant as it highlights a potential shift in the rental market, aiming to ease the financial burden on tenants while maintaining profitability for landlords.

What are the proposed rent controls?

The suggested rent controls would limit rent increases during tenancies to the Consumer Price Index (CPI) and cap increases between tenancies at CPI plus 2%. This change is expected to provide substantial savings for renters, with estimates suggesting an average reduction of nearly £1,200 per year over six years. The rationale behind these measures is to alleviate the financial strain on renters, particularly in light of recent inflation rates, which have surged around 8% since the last general election in July 2024.

How would tax relief changes impact landlords?

Currently, the tax system poses challenges for mortgaged landlords, particularly due to Section 24, which restricts tax relief on mortgage interest. The JRF’s research indicates that reversing this policy, along with applying National Insurance Contributions (NICs) to rental income, could lead to a more balanced tax environment. This adjustment would likely reduce the number of landlords facing financial losses by 2030, even with the implementation of rent controls.

What does this mean for landlords?

For landlords, these proposed changes could provide a mixed bag of outcomes. On one hand, the introduction of rent controls may limit potential income growth; however, the reinstatement of tax relief could help mitigate the financial impact of these controls. The Autonomy Institute’s findings suggest that most landlords have enjoyed higher returns compared to benchmark investments since 2018, with 74% reporting profits in 2018, 99% in 2021, and 63% in 2024. This indicates that many landlords have been able to navigate the current tax market successfully.

Who will be most affected by these changes?

The most affected group would likely be highly leveraged mortgaged landlords, who are at greater risk of incurring losses under the current tax system. The JRF’s research emphasizes that landlords who own properties outright have been benefiting from lower tax burdens. Therefore, addressing these imbalances within the tax system could help protect mortgaged landlords from the adverse effects of rent controls, ensuring a more sustainable rental market for all parties involved.

Frequently asked questions

How will rent controls affect rental income?

Rent controls are expected to cap rent increases, which could limit rental income growth for landlords. However, if tax relief is reinstated, it may help offset potential income losses.

What should landlords do in light of these proposals?

Landlords should stay informed about these developments and consider how potential changes in tax relief and rent controls may impact their financial strategies and property management practices.

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.

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