The Government’s proposed Warm Homes Plan is being presented as a win-win: warmer properties, lower energy bills and no need for landlords to increase rents. Ministers have been clear in their messaging that higher energy efficiency standards for rental homes “should not require landlords to put up rents.”
But is that claim grounded in reality — or does it overlook the financial pressures facing landlords in today’s private rented sector?
As ever, the detail matters.
What the Warm Homes Rules Mean for Landlords
Under the proposed changes, private rented homes will be expected to meet significantly higher energy efficiency standards, with most properties needing to achieve at least an EPC C rating by 2030.
To reach that level, many landlords will need to invest in measures such as:
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Improved insulation
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New heating systems
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Double or triple glazing
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Solar panels or low-carbon technologies
For some properties — particularly older housing stock — this could mean substantial capital expenditure, running into many thousands of pounds per home.
While the Government has pointed to grants and low-interest loans as support, these schemes do not always cover the full cost, particularly for landlords with multiple properties or homes requiring extensive work.
Government Confidence vs Government Evidence
Ministers insist that landlords will not need to raise rents as a result of the new rules. However, the Government’s own impact assessments acknowledge that some landlords may pass costs on to tenants or exit the sector altogether if compliance becomes financially unviable.
This contradiction is difficult to ignore.
On the one hand, policymakers publicly reassure renters that affordability will not be affected. On the other, official modelling quietly accepts that higher costs may influence landlord behaviour — including rent setting.
Why Passing on Costs Feels Inevitable for Many Landlords
For many landlords, the private rented sector already operates on tight margins, shaped by rising mortgage costs, higher taxation, licensing schemes and ongoing regulatory change.
Adding major energy efficiency upgrades into that mix creates three unavoidable pressures:
1. Upfront Costs
Even with financial assistance, landlords often need to fund improvements upfront, tying up capital that may not be quickly recovered.
2. Limited Return on Investment
Energy upgrades may not significantly increase property value or rental demand in every area, especially in lower-value markets.
3. Market Reality
If rents are already rising due to supply shortages, landlords may see little choice but to factor new compliance costs into pricing — not out of greed, but simple sustainability.
In that context, the claim that landlords can absorb these costs indefinitely without adjusting rents feels optimistic at best.
What About Tenant Benefits?
The Government argues that tenants will benefit from lower energy bills, potentially offsetting any rent increases.
In theory, that makes sense. A more energy-efficient home should be cheaper to heat and more comfortable to live in.
But in practice, tenants pay rent monthly and energy savings fluctuate. Even a modest rent increase can feel more immediate and more painful than projected future savings — particularly during a wider cost-of-living crisis.
The Risk of Unintended Consequences
If compliance costs become too high:
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Some landlords may sell up, reducing rental supply
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Fewer homes could be available to lower-income tenants
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Competition for remaining properties could push rents higher anyway
Ironically, a policy designed to improve affordability could end up doing the opposite if it is not carefully implemented.
A Better Way Forward
Few would argue against the goal of warmer, more energy-efficient homes. The issue is not ambition — it is execution.
To avoid pushing rents higher, policymakers may need to consider:
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More generous and accessible funding for landlords
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Flexibility based on property type and location
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Clear evidence-based monitoring of rent impacts
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Honest communication about trade-offs rather than blanket assurances
Without this, insisting that landlords will not pass on costs risks sounding disconnected from the financial realities of the sector.
Conclusion
The Warm Homes Plan has the potential to deliver real long-term benefits for tenants and the environment. But claiming that landlords can absorb large upgrade costs without affecting rents ignores basic economics.
If the Government genuinely wants warmer homes and affordable rents, it must align policy ambition with market reality — not simply hope landlords will foot the bill quietly.
Disclaimer:
NetRent does not provide legal advice. This article represents our understanding of current and proposed rental property regulation and should not be relied upon as a substitute for professional advice.
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