If he lives in Windsor and wants to see somewhere a little local with good atmosphere then White Waltham. Pitts S2 flights are a good option. See here -
Aerobatic Flights with Alan Cassidy, Pitts Flights, Extra 300 Flights
Another option, if you want to go radical in an S Bach at White Waltham
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Xtreme Aerobatics - Booking
V1