Installing a handheld bidet spray in a tenement bathroom

Hi Emma, thanks for your question. Firstly yes it is possible to fit what you have asked in your bathroom set up. An additional hot feed would need to be run from bath to the toilet area where a blending valve (TMV Thermostat Mixer Valve) would be fitted with a cold feed ( picked up from toilet) to produce the warm desired effect. Pipework would need to be boxed in, under floor boards or can be run in chrome pipework if surface to go along with chrome fittings on the Bidet Shower Head and valve perhaps? Price is tricky not seeing what's involved so would like to see what options there are first in running pipework , and check the isolations of the cold and hot to make sure there are no hidden problems. (This set up is for a stand alone system not fitted to Pan, as in question). Steve

You can’t have a bidet with spray from inside the bowl, they normally come with a monobloc tap and a adjustable nozzle to direct spray, the tap is a hot and cold mixer to get water temperature right

As per other answer but a double check valve is a must ! Can’t high light that enough. To prevent back flow possibility and contamination of potable water!!