The width of the mirror the reflective part only should be roughly the same as the width of the fireplace opening.
Mirror over fireplace height.
The mirror frame should not extend beyond the end of the mantelpiece shelf.
For more modern spaces a large sunburst design could be an eye catching choice.
Cariello the right size mirror would line up with the firebox the fireplace surround or the inside or outside edges of the mantel if in doubt take news papers tape them together cut out a circle for each size that you are considering tape the news paper template over the fireplace with painters tape and you will see which size of mirror works best for you.
Ideally the maximum height of the mirror frame should be at least 4 5 below a cornice or 2 below a picture rail.
We love the look of a rococo plaster or baroque gilt italian frame for a traditional interior.
A mirror is a foolproof option for above a fireplace but if you re going to try this tried and true styling trick opt for a statement mirror with major impact.
There is an art to hanging artwork and mirrors.
I have bought a corbel style shelf for above the fireplace 120cm in length v fireplace hole 85cm and a large mirror 100cm length and 130cm high.
The dancing reflections can create illusions of grandeur.
However it s not rocket science and if you follow some basic guidelines you ll get it right every time.
How to hang a large oversized mirror over the mantle.