Energy Compliance Services

Jul 01, 2026 By Admin 76 days ago

The Energy Savings Opportunity Scheme (ESOS) is UK legislation (based on article 8 of the EU Energy Directive) which mandates circa 10,000 organisations in the UK to audit their estates and establish opportunities for saving energy.

If your business employs more than 250 employees, OR has an annual turnover in excess of £44 million, and an annual balance sheet total in excess of £38 million, then you nsive and robust evidence pack that allows the environment agency to audit your submission

ESOS submissions run in 4-year cycles:

Phase	Qualification Date	Four-Year Compliance Phase	Compliance Date
Phase 4	31st December 2026	6th December 2023 to 5th December 2027	5th December 2027
Phase 5	31st December 2030	6th December 2027 to 5th December 2031	5th December 2031

Phase 4 Compliance Deadline

522

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Phase 4 ESOS Changes

In addition to the changes introduced in phase 3, which require organisations to present an action plan detailing how they will implement any recommendations from their ESOS audits, including explanations for any recommended measures that will not be executed. Phase 4 of ESOS is set to bring about legislative changes that emphasise the importance of net zero considerations and accountability within organisations. In earlier phases, businesses could rely on Display Energy Certificates and Green Deal Assessments for compliance, but these methods will no longer be accepted in Phase 4.