Hi Neal,

If you already have the heating system installed, then why not extend
the
pipework and fit one of these in the cellar:

http://www.cda.org.uk/megab2/build/heatdocs/cda51.htm

A heat bank is safer and can be DIYed, heated by gas or electricity or
both.

http://www.heatweb.com
http://www.range-cylinders.co.uk (go to thermal storage).




Yup, that looks like the puppy, thanks.
NUJ