For property owners and the public
Understanding EPCs
What a certificate tells you and how to get one.
ExploreCheck an assessor
Use the official register to check current accreditation.
ExploreFind a certificate
Access the official energy certificate services.
ExploreEPB regulations
An introduction to certificate requirements and official guidance.
ExploreFor assessors
Joining Kaizen
Qualifications, evidence and the application process.
ExploreScheme fees
Application, annual and lodgement charges.
ExploreCPD and technical resources
Your continuing development obligations.
ExploreMember support
Help with software, conventions, evidence and audits.
ExploreSubHub
Information about the planned assessor collaboration platform.
ExplorePolicies and accountability
Code of Conduct
The professional standards expected of members.
ExploreComplaints
Raise a concern about an assessor, certificate or the scheme.
ExploreAppeals
Ask for review of a formal decision.
ExploreDisciplinary procedure
Corrective action, suspension and revocation.
ExploreData protection
How assessment and membership data are handled.
ExploreAnnual reports
Published scheme activity and performance.
ExploreThe Scheme Operating Requirements
The EASOB website publishes Level 1 v1.5 (PDF) and Level 2 v1.13 (PDF), together with current smart-auditing rules and minimum evidence requirements.
These are the versions listed by EASOB when this guidance was reviewed on 29 September 2026. Check EASOB for subsequent updates. The applicable national legislation and scheme approval conditions remain relevant.