The Minimum Energy Efficiency Standards (MEES) currently require commercial properties in England and Wales to hold an EPC rating of E or higher to be let on a new or existing tenancy. That has been the law since 1 April 2023. Properties below E are unlettable unless a valid exemption is registered.
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Across the UK, businesses are under growing pressure to improve the energy efficiency of their buildings. Minimum Energy Efficiency Standards (MEES) currently prohibit the letting of commercial properties below an EPC rating of E, with government plans to raise the minimum to B by 2030. For property owners and facility managers, this shift is not just regulatory - it’s financial. Buildings with low EPC scores are becoming harder to lease, insure, or refinance.
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