Range from the cheapest fixing an electrical fault £66 (MAINTENANCE ONLINE LTD based in N1) to the dearest fixing of an electrical fault £100 (Hoxton Electrical Limited based in EC1V).
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 EC2A by posting a job with HaMuch and we will send it to electricians in EC2A.

"Troubleshoot & diagnose electrical fault"
E1