Booking sites such as are useful for gathering information about the hotels in an area, but it is important to remember that they take a big cut when you book with them. This can vary from 15pc to 30pc. Our check on prices using different booking sites showed that they were often considerably more expensive than the hotel's own website. A double room at the Premier Inn County Hall in central London on June 28 was €75 cheaper on the hotel's website than on The hotel's website was actually €20 cheaper than the price quoted when we rang up the hotel directly. Get the full story at