Gordon,
> 
> I remember a landlord friend complaining that he'd done all the
> cavity wall and loft insulation, etc., that the authorities
> demanded, then when the inspectors came they marked the "cavity wall
> insulation" entry as "presumed not".  They didn't even ask.
Our certificate was full of "assumed".
 
> Detached 1911 bungalow, significantly extended in 70s and readjusted
> in 80s to make the extensions more sensible. Quite a mix of
> structure including original brick cavity walls, modern lightweight
> walls and timber in the first floor. Cavity insulation, and as much
> loft insulation as we could fit (which isn't that much), underfloor
> insulation. 151m^2, 213kW/m^2. That includes cooking and hot water
> all year and our hot water is on a pumped secondary ring main, so
> loses more heat than most.
> 
> We have the room heat fairly low evenings and weekends, and just 10C
> at all other times.
For total energy use and an older property 213 gives you a score 
of "D" (on French calculation), which isn't surprising, I bet an 
assessor would give it a much lower rating based on the UK SAP 
method. That's still a better real footprint than the best 
estimated score our house got...
-- 
Adam Trickett
Overton, HANTS, UK
Stupidity maintained long enough is a form of malice.
    -- Richard Bos's corollary
-- 
Please post to: Hampshire@???
Web Interface: 
https://mailman.lug.org.uk/mailman/listinfo/hampshire
LUG URL: 
http://www.hantslug.org.uk
--------------------------------------------------------------