Range from the cheapest PAT testing £40 (E7 Electrical Ltd based in E6) to the dearest PAT testing £180 (Mr Kilowatt based in SE28).
Comparing electricians estimates for PAT testing 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 for PAT testing by posting your job to electricians in SE18.