How To Make Mirror Wall Mosaic On The Wall Where Would I Fid Mirrored Tiles For A Wall, Not In Glaziers, Or In Builders, For Sure.?

Where would I fid mirrored tiles for a wall, not in glaziers, or in builders, for sure.? - how to make mirror wall mosaic on the wall

Mirror tiles?
I would like to find images for a mirror on the wall of my apartment to the darkest light. It is difficult to someone who can find products which are not mirror wall tiles,-size collages. If anyone knows a place probability for the info appreciated.
I'm in the UK somewhere in the United Kingdom prefer.
As the local distributor and manufacturer of glass business space is not the tiles. I have tried everything without success.