Commercial MEES
Commercial property is on a different path.
In June 2026 the government confirmed a target of EPC B from 2031 for larger commercial buildings, and dropped the planned 2027 interim step.
Short answer
Commercial lettings in England and Wales must currently have an EPC of E or above. In June 2026 the government confirmed a target of EPC B from 2031 for non-domestic buildings over 1,000 m² where improvements are cost-effective, and dropped the proposed interim C in 2027.
Where things stand
Four facts for commercial landlords.
Today
EPC E minimumSince April 2023 every non-domestic let in England and Wales must be E or above unless an exemption is registered.
2027
Interim C droppedThe June 2026 interim response stepped back from the previously proposed EPC C milestone in April 2027.
2031
EPC B for 1,000 m²+Target of EPC B for buildings over 1,000 m², where improvements are cost-effective. Smaller buildings stay at E for now.
Metric
Carbon stays headlineCommercial EPCs keep the carbon-based rating as the headline metric, unlike the new domestic approach.
Questions
Common questions
Is EPC B confirmed for all commercial property?
No. The June 2026 interim response targets EPC B from 2031 for buildings over 1,000 m² where improvements are cost-effective. Smaller buildings stay at E for now.
What is the headline metric for commercial EPCs?
Commercial EPCs keep the carbon-based rating as the headline metric.
Sources
- Non-domestic private rented property: minimum energy efficiency standard (GOV.UK)
- Non-domestic PRS MEES: EPC B implementation (GOV.UK consultation and response)
Checked 18 September 2026. Regulations can change: always confirm on GOV.UK.
Mixed portfolio?
Homes and commercial units follow different rules and timetables. Tell us what you have.