It all depends on the quality you go for, you can get underlay to go under it which doesn't make it as cold. I had 3 bedrooms, hall, landing, front-room & dining room done a few years back with Pergo laminate flooring and it cost me £3000 including underlay & fitting, it's probably the mid-high end of the price scale. I love it and would never go back to carpets.
Have a look at this homebase page it will give you an idea on prices -
Online Laminate flooring selection from Homebase.co.uk.