The message k
from "ARWadsworth" contains these words:



I would also not want to add another 750W to an unknown lighting circuit.

You don't need to -- a heat and light bulb will only be rated at about
250 watts and can be remarkably effective.

In any case, the suggestion was to take power from the ring circuit. In
which case

http://www.tlc-direct.co.uk/Products/SHHL1.html

might be a very interesting investment.

However, I think keeping the temperature up all the time is appropriate
in a bathroom, to avoid condensation when a bath is run.