"Andy Hall" wrote in message

It's very less preferred. If you compare a single panel with a
double convector (e.g. in Myson's Premier range) the range is 3:1.

Maybe because a double convector (i.e. with some type of fin arrangement in the
middle) has a correspondingly larger surface area when compared to a single
panel no fins radiator.


I recently helped a neighbour with selecting an installer for a
replacement heating system.
snip
suitable. It was from a very well know national firm.

Interesting story the OP should note!

And these installers can probably work on your plumbing etc without using a
Building Control Service because they are members of the Institute of plumbers
where as us DIY people can not. (Depending on the exact job).

Michael Chare