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
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