Range from the cheapest Wallpapering £300 (Turner Trades based in RG30) to the dearest Wallpapering £450 (Androse Tiling Ltd based in RG40).
Comparing painter & decorators estimates for Wallpapering gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for wallpapering your rooms by posting your job to painter & decorators in RG4.