Range from the cheapest fixing an electrical fault £80 (Greenlife Contractors based in SW6) to the dearest fixing of an electrical fault £150 (Aqua Max Plumbing Heating & Electrical L based in SW15).
Comparing electricians estimates for troubleshooting and diagnosing an electric fault gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to fix an electrical fault in SW15 by posting a job with HaMuch and we will send it to electricians in SW15.

"Breaker switch for lights keep tripping"
SW18
"Troubleshoot "
SW18