Range from the cheapest fixing an electrical fault £92 (Intrelec based in SW18) to the dearest fixing of an electrical fault £130 (Protek Electrical & Security Ltd based in SW16).
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 SW12 by posting a job with HaMuch and we will send it to electricians in SW12.

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