Yes it should be a thermostatic mixer shower, for safety reasons.
I have just fitted s Mira Excel Bath Shower Thermostatic Mixer Shower in my house, and I would recommend it. It fits onto the bath like a mixer tap then a shower attachment comes off the top. It cost Â£360, well worth it.
DIY how to tutorial projects and guides - Did you know we have a DIY Projects section? Well, if no, then we certainly do! Within this area of our site have literally hundreds of how-to guides and tutorials that cover a huge range of home improvement tasks. Each page also comes with pictures and a video to make completing those jobs even easier!