On Sat, 31 Jan 2004 13:34:21 -0000, "Peter Taylor"
wrote:

I hope this is helpful. If you don't understand or want further help please
mail me - (remove NO & SPAM) and I can send you a sketch detail. A picture of
your house would be helpful if possible

Peter please have a look at
http://homepage.dtn.ntl.com/andrew.heggie/roof.JPG 118kb image

The house is a semi, was originally 2 up 2 down with the stair running
up between the rooms direct off the then front door, walls seem to be
9" solid brick. There have been extensions which are rendered,
probably cavity walls. these effectively cover 1/2 the downstairs
front elevation and all the right hand elevation.

From other posts I take it I am losing 2W(t)/degC/m2 from the walls
and the only obvious solution without losing the feature brickwork is
to hack off internal plaster and dry line. Probably a bit too much for
me. I can see a benefit in cutting heat loss through the upstairs
ceilings direct through the roof as well as the loft roof.

AJH