Range from the cheapest PAT testing £42 (CM ELECTRICAL based in W11) to the dearest PAT testing £160 (MT Sites Ltd based in W10).
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 W11.

"PAT testing Bose speaker and cord. 2 sound mixers - 4 fairy lights - extension lead and extension block . 2 Mac power chargers "
W12
"PAT testing"
W12