Wallpaper installation is usually cheaper than painting, but there are a lot of factors to consider, such as the type of wallpaper, the size of the room, and the complexity of the design.One advantage of wallpaper is that it can add a lot of personality and texture to a room without costing a lot of money. Paint can be expensive if you're covering a large area, and it can also be difficult to get an even coat. Wallpaper is much less time-consuming to install than paint, and it's easier to repair or replace if something goes wrong.If you're looking for a cheap way to cover up your walls, wallpaper is probably your best option.

There is no definitive answer, as the cost of wallpaper installation can vary greatly depending on the type of wallpaper, the size of the room, and the extent of the work required. However, in general it is usually cheaper to paint than to wallpaper a room.