On 23/12/2012 14:19, Andrew Gabriel wrote:
If it's a condensing boiler, the most efficient position is to
set the boiler temperature as low as you can, which still manages
to keeps the rooms at correct temperature and never quite causes
the room stat to click off.

I`ll give that a go and see how it feels/costs as I am currently
monitoring gas usage on a daily basis until I get a good compromise.