The cost of a double-decker bus in the UK can vary depending on the model and specifications of the vehicle. On average, the cost of a standard double-decker bus in the UK can range from £250,000 to £500,000 ($338,000 to $676,000) or more, depending on the manufacturer, the size and seating capacity of the bus, and the additional features and equipment that are included.
It's worth noting that the cost of a double-decker bus can vary significantly based on the specific requirements of the operator, such as the intended route and the climate and terrain in which the bus will be operating. Additionally, the cost of a double-decker bus will also be affected by factors such as the cost of financing, insurance, and maintenance, as well as the cost of fuel and other operating expenses.
It's recommended to get a detailed quote from a bus manufacturer or supplier to get an accurate estimate of the cost of a double-decker bus that meets your specific requirements.