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ESOS Action Plan Update – Don’t Miss the 5th December 2025 Deadline!

  • Steve McKinstray
  • Nov 11
  • 1 min read

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A friendly reminder from the Eco3 Partnership team- your ESOS Action Plan update for the third compliance period needs to be submitted by 5th December 2025.


Your annual progress update should cover:


  • All energy-saving measures you’ve implemented (including any not in your original plan).

  • Whether each measure was completed on schedule.

  • Any outstanding measures, and why?

  • An estimate of energy savings achieved or expected between 6th Dec 2024 and 5th Dec 2025.

  • The method used to calculate those savings.


These updates are more than a compliance exercise; they are an opportunity to demonstrate your organisation’s real progress toward Net Zero and to highlight your continued commitment to sustainability.


If you’re unsure about what’s required or want help preparing your submission via the MESOS portal or GOV.UK One Login, our experts are here to support you every step of the way.


Let’s keep the momentum going towards a more energy-efficient future.



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For further information or assistance:

·      email enquiries@eco3partnership.com or call +44(0)203 824 2402 

 
 
 

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