EPC Overhaul
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30 May 2025

EPC Overhaul

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Posted by Hannah Leigh

The way Energy Performance Certificates (EPCs) are calculated is being updated, with a greater focus on the specific details of each property. Energy assessors will now be looking for clear evidence when assessing things like glazing types and condition, heating system efficiency (with supporting documents like model numbers or manufacturer information), and smart heating controls.

Any energy-saving improvements, such as new windows or insulation, will only contribute to the rating if there’s proof they’ve been installed. This means EPC results will depend much more on the paperwork provided by landlords and homeowners.

Since EPCs are a legal requirement for letting a property, and landlords must meet minimum efficiency standards (currently EPC band E in England and Wales, but will likely rise in the future), an incorrect or unexpectedly low rating could delay or prevent a tenancy from starting.

To avoid this, it’s essential to keep thorough records and receipts for any energy upgrades. Without them, even completed improvements might not be recognised, and landlords could face unnecessary costs to meet the standards again.

We recommend reviewing what documentation you already have and starting to gather anything that could support the energy efficiency of your property.

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Hannah Leigh

BA (Hons), Master of Laws, LL.M.

0115 933 8997

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