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Electrical testing and certification are essential processes used to verify that electrical installations are safe, compliant with current regulations, and suitable for continued use. Testing is carried out during the installation of new electrical systems, following alterations or additions, and as part of routine inspections of existing installations. These inspections help identify defects, deterioration, damage, or non-compliance that could present a safety risk to people or property.

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There are several types of electrical certification used within the UK. An Electrical Installation Certificate (EIC) is issued for new installations or significant alterations, confirming that the work complies with the requirements of BS 7671 (IET Wiring Regulations). A Minor Electrical Installation Works Certificate (MEIWC) is used for smaller alterations that do not involve the installation of a new circuit, while an Electrical Installation Condition Report (EICR) is produced following the inspection and testing of an existing installation to assess its ongoing safety and identify any remedial work that may be required.

 

The cost of testing and certification varies depending on the size and complexity of the installation. A Minor Electrical Installation Works Certificate typically costs between £100 and £250, while an Electrical Installation Certificate for larger projects forms part of the overall installation cost. An Electrical Installation Condition Report generally ranges from £150 to £400 for domestic properties and from £300 to over £1,000 for commercial or industrial premises, depending on the number of circuits and the extent of testing required. Regular testing and certification help ensure legal compliance, maintain electrical safety, and provide assurance that an installation remains fit for service throughout its operational life.