I advise you not to rent from the Dollar Rent A Car "London Heathrow Airport" agency. The agency is not at the airport, but, rather, in the lobby of a Sheraton Hotel away from the airport. Moreover, it is not a Dollar agency but, rather, it is a Thrifty Rent A Car agency which, as it turns out, is actually run by a company called "Scot Group Ltd". After returning the car, this agency charged my credit card about US $500 to replace a tire they claim was damaged while I had the car. As explained below, this claim wa... read full review »