Have you never heard of over the fire place,the mantle piece is nice and chunky/wide and a mirror smaller than a mantle piece looks out of place, a couple of inches smaller is ok.
It's called VAT(Value Added Tax). :-( a two ounce pkt of tobacco in france or any othe european country outside the uk is about 2.25GBP(if that?) in the UK it's 10.50GBP...hows that for gov ripping us off.