CAA Pitts type in the London area, Hangarage £3000, insurance £2000, Maintenance (1 annual 1 50hr ) £3500 Based on a good year with nothing going wrong!!! Fuel burn on a 200hp machine (Pitts Eagle Laser) 60ltrs/hr aero 30-40ltrs/hr transit.
PFA machine has savings on the maintenance if you do it yourself.