Range from the cheapest fixing an electrical fault £56 (P B Electrics based in BR1) to the dearest fixing of an electrical fault £98 (Our Builders Ltd based in SE6).
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 SE6 by posting a job with HaMuch and we will send it to electricians in SE6.

"Troubleshoot "
SE26