Electrical Inspection Checklist When Buying a London Property: What to Look For
A homebuyer survey does not include a detailed assessment of the electrical installation. Commissioning a separate electrical inspection before completing the purchase of a London property can identify significant faults, estimate rewiring costs, and provide important information for price renegotiation or withdrawal from a purchase.
Why a Standard Homebuyer Survey Does Not Cover Electrical Safety
When buying a property in London, most purchasers commission a homebuyer report or a building survey from a chartered surveyor. These surveys provide a visual inspection of the property and an assessment of the condition of the building fabric, structure, and main services. However, a homebuyer report or building survey does not include a detailed inspection and test of the electrical installation. The surveyor will typically note the general age and apparent condition of the consumer unit and wiring where visible, and may note specific concerns such as the presence of a fuse wire board rather than a modern consumer unit, or the visible presence of old cable types. The surveyor will not carry out continuity testing, insulation resistance testing, RCD operation testing, or any of the other electrical tests that form part of a proper Electrical Installation Condition Report.
The consequence of this limitation is that a London property can pass through a homebuyer survey process with no significant electrical concerns noted, yet contain a wiring installation that would receive a Category 2 or Category 1 classification on a full EICR, indicating that immediate or urgent remedial work is required. The cost of addressing serious electrical faults in a London property can range from a few hundred pounds for specific remediation items to eight thousand pounds or more for a full rewire. Discovering these costs after exchange of contracts rather than before is a significantly worse outcome for the purchaser than discovering them during the due diligence period when renegotiation or withdrawal is still possible.
What an EICR Before Purchase Should Cover
An Electrical Installation Condition Report carried out before purchase of a London property should cover all fixed electrical installation in the property, including the consumer unit and its protective devices, the wiring circuits for lighting, socket outlets, cooker, shower, and any other fixed electrical equipment, the earthing arrangement and main bonding conductors, and a representative sample of socket outlets and light fittings throughout the property. The electrician will carry out both visual inspection and electrical testing, including insulation resistance testing of each circuit, continuity testing of the protective conductors, and functional testing of all RCDs in the installation.
The report will classify any observed defect or non-compliance as Code 1, meaning danger present and requiring immediate remedy, Code 2, meaning potentially dangerous and requiring urgent attention, Code 3, meaning improvement recommended but not a safety issue in the current condition, or Further Investigation Required, where the condition of a specific element cannot be assessed from the visible installation and additional investigation is needed. For a prospective purchaser, Codes 1 and 2 items are material defects that should be disclosed to the seller, factored into the price negotiation, or addressed as a condition of purchase. Prestige Engineers carry out pre-purchase electrical inspections for London homebuyers, providing a clear EICR report with itemised remediation costs that can be used directly in price negotiations with the vendor or vendor solicitor.