On 24/11/2016 08:25, Brian Gaff wrote:
Sounds like a bodge to me, but have you thought of perhaps putting in a
radio controlled switch in the original place and using a glued on battery
operated remote which you can put wherever you want it. As long as you can
get to it to change the batteries it should work well over such a short
distance.
Brian

The receiver could be in the ceiling rose. That would save running a
cable to the light switch altogether. Why isn't that done routinely, as
it would surely be cheaper in new builds than the traditional method?