Range from the cheapest fixing an electrical fault £90 (Sparks Electric based in W14) to the dearest fixing of an electrical fault £160 (MT Sites Ltd based in W10).
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 W12 by posting a job with HaMuch and we will send it to electricians in W12.

"Troubleshoot & diagnose electrical fault. Washing machine and dishwasher power doesn't come on. (Dishwasher brand new)"
W14