Range from the cheapest PAT testing £80 (Aam Electrical Services based in E8) to the dearest PAT testing £180 (Haler Electrical based in SE1).
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 EC4R.