The UK Government's long-awaited update to Minimum Energy Efficiency Standards (MEES) provides greater clarity for commercial property owners and asset managers. The Government has confirmed its intention to introduce a more targeted approach, under which private rented non-domestic buildings over 1,000m² in England and Wales would be expected to achieve a minimum Energy Performance Certificate B rating by 2031, where cost-effective and subject to secondary legislation. The proposed interim EPC C milestone has been removed.

While these changes provide additional time, they should not be interpreted as a relaxation of standards. Building energy performance remains closely linked to the UK's net-zero objectives, and expectations for commercial property are likely to continue increasing over the coming years.

For organisations managing property portfolios, the challenge is not simply meeting a future compliance deadline, but making informed investment decisions that reduce risk, protect asset value and improve building performance over the long term.

What current policy signals tell us  The latest proposals reinforce EPC B by 2031 as the central policy objective for larger private rented non-domestic buildings over 1,000m² in England and Wales. Although the Government has shown flexibility on delivery timescales and scope, there is little evidence of a reduction in overall ambition for improving energy performance across the commercial property sector.

The removal of interim milestones should not be viewed as a reduction in regulatory pressure. Existing flexibility mechanisms, including the seven-year payback test and exemptions, are expected to remain, meaning only improvements that are practical, affordable and cost-effective would be required. Future policy may also place greater emphasis on operational energy performance, carbon intensity and ongoing reporting, alongside Commercial Energy Performance Certificate ratings. As 2031 approaches, compliance and enforcement are also likely to come under greater scrutiny.

In other words, the future of MEES is less about a single compliance date and more about continuous improvement expectations.

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