London properties vary widely in age and construction, from Victorian terraces and converted flats to modern developments. As a result, electrical systems often present recurring issues linked to outdated wiring, increased power demand, or historic installations that no longer meet current safety standards.
London properties vary widely in age and construction, from Victorian terraces and converted flats to modern developments. As a result, electrical systems often present recurring issues linked to outdated wiring, increased power demand, or historic installations that no longer meet current safety standards.
Below are some of the most common electrical problems we diagnose and resolve across London.
Problem 1
If your electrics keep tripping, it usually indicates one of the following:
We carry out circuit testing to identify the exact cause, isolate the affected circuit, and repair or replace components as required. Persistent tripping should never be ignored, as it can indicate underlying safety risks.
Problem 2
Many London properties still have older fuse boards without modern RCD protection. Older units may:
Upgrading to a modern consumer unit improves safety, compliance, and overall system reliability. We assess whether a full replacement is required and issue certification upon completion.
Problem 3
Period properties were not designed for today’s electrical demand. Kitchens, home offices, and high power appliances often overload existing circuits. Signs include:
We perform load calculations and recommend circuit upgrades or additional circuits where necessary.
Problem 4
Older wiring systems, including rubber or fabric insulated cables, can deteriorate over time. Common warning signs include:
In some cases, partial rewiring is sufficient. In others, a full rewire may be recommended to ensure safety and compliance.
Problem 5
Lighting issues are often caused by:
We inspect fittings, test circuits, and repair or replace components as required.
Problem 6
If only certain rooms or sockets lose power, the issue may relate to:
We use diagnostic testing equipment to trace faults quickly and restore supply safely.
Problem 7
Proper earthing and bonding are essential for safety. In many older London homes, these systems are:
We test earthing systems and upgrade bonding where required to ensure full electrical protection.
Problem 8
Landlords frequently encounter electrical issues and EICR compliance requirements, including:
We carry out inspections, remedial work, and certification to bring properties up to required standards.
Electrical faults rarely resolve themselves. Minor issues can develop into:
If you are experiencing any of the above problems, our qualified London electricians can carry out a full assessment, provide clear recommendations, and complete repairs safely and efficiently.
© TNS Electrical Solutions. All Rights Reserved 2026 | Develop & Manage by Growth4Trades