Electrical Installation Condition Report is a formal document detailing the findings of an inspection and test of a property's fixed electrical system.It identifies damage, deterioration, defects, and non-compliance with current safety standards, classifying issues as C1 (Danger Present), C2 (Potentially Dangerous), or C3 (Improvement Recommended).The report concludes as Satisfactory or Unsatisfactory. EICRs are legally required for landlords (typically every 5 years or change of tenancy) and highly recommended for homeowners (every 10 years or upon purchase).