Yep loads as you have seen on the other forum. If there is a neutral at the switch very easy, if not more limited.
You can get cheap programmable thermostats, which use batteries to do timing and switching, since you say you can't find the one you want for sale, a programmable thermostat would do the job with no neutral required. Set to 0 degs for off time 30 degs for on time.
Maplin Code: A07QY and Screwfix Code (8835H) both do a switch operator that will turn a switch on and off. There will be some noise, but no wiring required. However I would guess you wanted for Christmas so now a bit late.
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!