Trying to do interior decorating for a small space can be difficult. However, with the right planning it can be accomplished and turn out fantastic. Maybe the room is too cluttered or you could be feeling claustrophobic in it and need to redesign the room. There are a few things in which you can do to help with that feeling. If the room is rather dark, try adding in some light. You can open up windows so that this way the room appears larger. Adding a mirror in the room can also make it look bigger. Install some lights in dark areas and use bright colors instead of dark ones in order to make the place look bigger. Here are 20 home interior design ideas for small spaces.