If you come up against an external corner, cut the wallpaper to fit as for an internal corner, allowing for an overlap in the same way. Smooth the wallpaper into place around the corner. Just as for internal corners, you’ll need to make a new plumb line on the adjacent wall before continuing.

These are a few additional tips for wallpapering corners: Which Corner Do You Wallpaper First? The easiest place to start is the corner that will give you the fewest problems. Avoid corners with extra obstacles like a window frame or a light switch if possible.

How to wallpaper external cornersAubrey shows us what to do when we come to an external corner while wallpapering. Measuring wallpaperPasting and folding wal...

However, it's not just corners you need to master, you need to know how to wallpaper all areas so that you can combine with corners to get a flawless finish. Here we give you the know-how to wallpaper inner and outer corners.

Expert advice about how to apply wallpaper around corners and obstacles. Covers wallpapering outside and inside corners, archways, outlets and windows.