How to Brighten a Small Room Previous5 of 5 5. Finally, the easiest way to lighten your small space is by de-cluttering. By clearing some space and removing large, unneeded items in room, you can instantly transform your small space to appear clean and bright. Previous5 of 5View Full Post interior designlightingmirrorsmall roomswall decorwindow treatments Previous Post A Charitable Twist to Your Next Yard Sale Next Post Installing and Maintaining an Energy-Efficient Pool