7 expensive decorating mistakes designers warn you should always avoid

Cream living room with green built-in shelving.

Renovating your home can be a costly exercise, but there are some expensive decorating mistakes designers say you should always avoid to save you any extra outlay than is already necessary.

Of course, decorating mistakes can happen to us all – whether you treated yourself to that expensive rug that's too small for the space, or didn't thoroughly measure the area for that custom-made headboard.