From Stanstead Airport

  Take the bus towards Liverpool Street (av. Journey 34 mins).
  At Liverpool Street,take the Metropolitan Line towards Uxbridge (av. journey 21 mins).
  At Finchley Road, take the Jubilee Line towards Stanmore or Wembley Park (av. journey 6 mins).
  Get off at Willesden Green.

(Minicab: £47 + parking)