Wall plate for shower mixer valve to cover old hole in tiles

[whc39]

I'm having to fit a new concealed mixer valve (6 year old Bristan cartridge no longer available) but the new ones typically have a 160 -185 mm circular wall plate that won't cover the 185 x 100 mm hole for the old valve. Where can I get a blank chrome wall plate, about 220 mm square to cover the old hole?

 

[thereisawizza]

A local metal fabrication place should be able to make something up and chrome it for you, I had to do this after a customer lost one of his on a new build!

 

[plumben]

As above but get them to make it out of stainless steel, it'll never rust

 

[Riley]

I had one made to cover a whacking great hole. Turned out well