There are various good reasons to make use of a mirror wall. The first and most obvious reason is to give the illusion of a bigger space. Mirrors make a room look and feel bigger. This especially works well if you have a small room, and you want it to look more roomy.
Another is its timeless elegance and versatility. No matter what type of interior design your home has–whether modern or traditional, and no matter what trend is in, mirror walls can make your home look exceptional.