Electrical Testing Regulations: EICRs, Recommended Intervals, and What You Actually Need

“Is an EICR legally required?”

Many people hear “you must have an EICR every X years.” In reality, the law doesn’t set a single universal interval for all commercial properties. Instead, dutyholders must ensure electrical systems are safe, and periodic inspection/testing is a key way to evidence that. 

What standards and guidance say in practice

Industry guidance based on BS 7671 commonly recommends around 5 years for many commercial premises, with more frequent inspections in higher-risk or harsher environments. 

What affects how often you should test?

• Type of premises (office vs workshop vs industrial)

• Environmental factors (heat, moisture, vibration, dust)

• Amount of change (refits, new equipment, tenancy change)

• Previous report outcome (C1/C2 issues, or deterioration trends)

What an EICR gives you (beyond compliance)

• A clear safety status for the installation

• A prioritised list of remedial work (if needed)

• Documentation that supports insurers, landlords, and facilities teams