We can provide SAP and CO
2 calculations to
provide greater design flexibility when constructing extensions.
Typically this is required when the glazed areas of the extension are
greater than 25% of the extension floor area.
The methodology for prooving compliance with the Building Regulations
it to compare the Dwelling with a notional extension (comparable to the
2000 Building Regulations) to the Dwelling and the actual extension.
There are various ways to make the building comply and these methods can be discussed when you
contact us.