deck mounted taps

Hi I have a couple of questions that I’d appreciate some advice on. 1) My Mira Sprint electric shower has packed up yet again. Rather than replace it a 4th time I’m considering swapping out the bath mixer tap for a deck mounted thermostatic mixer unit. The Aqualisa Midas 100 & 200 seem to be...

Hello I have found these...http://www.screwfix.com/p/grohe-grohtherm-bath-shower-mixer-tap/13730 which like the look of - but can't work out if I can have them deck mounted or do they have to fit to the wall... I need deck mounted :-) Anyone who can advise - thank you very much!