Commercial EPC guides
Quick answer
Guides to commercial EPCs and MEES compliance, written against the current standard: EPC E is the minimum to let, EPC B by 2031 is proposed for privately rented non-domestic buildings over 1,000 sqm, and the interim EPC C milestone for 2027 was dropped in the government response of 18 June 2026.
Clear, current guides on commercial EPCs and MEES: what an assessment costs, how SBEM and DSM levels differ, what the proposed EPC B by 2031 standard means, and how to lift a weak rating. Grounded in the current rules, updated for 2026.
Rated F or G? What It Means and How to Fix It
An F or G commercial building cannot lawfully be let without a registered exemption. Here is what that means, and the cheapest route back over the E line.
Read guide → commercial epcCommercial EPC vs Domestic EPC: What's the Difference?
Commercial EPCs use SBEM or DSM modelling and a Non-Domestic Energy Assessor; domestic EPCs use RdSAP. Here is what changes, and why it matters.
Read guide → meesMEES Exemptions Explained: The PRS Exemptions Register
When can a sub-E commercial building be let lawfully? The PRS Exemptions Register grounds, evidence and time limits for non-domestic MEES, explained.
Read guide → meesEPC B by 2031: What the New Commercial MEES Standard Means
Privately let non-domestic buildings over 1,000 sqm are proposed to reach EPC B by 2031. The interim EPC C for 2027 was dropped. Here is what applies.
Read guide → commercial epcHow Much Does a Commercial EPC Cost in 2026?
A commercial EPC typically costs £120 to £1,200+ depending on floor area, systems, zones and assessment level. Here is what drives the price and why.
Read guide → commercial epcSBEM Level 3 vs Level 4 vs DSM: Which Commercial EPC Do You Need?
Level 3 and Level 4 are both SBEM; DSM is Level 5. Which your commercial building needs depends on size, systems and complexity. Here is how to tell.
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