Turn off M23 at Junction 9 (Gatwick Airport)
At South Terminal roundabout, go straight over.
At North Terminal roundabout take fifth exit following signs for A23, north to Redhill. Join A23.
At the Longbridge roundabout, turn right heading north to Redhill. Follow A23 passing Air Balloon pub on right.
At next roundabout (Shell Garage) stay on A23 heading to Redhill and London.
Aintree House is 500 yards from roundabout on right.