Recent content by Ajay111

As an FYI- I showed the calculation to the building inspector with the plasterboard etc, provided details of my new boiler, windows and lighting. The inspector had accepted the shortfall on the basis of the other changes and granted the certificate.

Thanks, Builder was supplied but unfortunately did not stick to it. I think I will investigate the Sap test option and if not work will go through the additional insulation. Many thanks for the help.

Thanks for the reply. Unfortunately not as the Builder put in 100mm if insulation and not 120mm. We have new boiler and windows and lights etc. All LED. I thought the U value was for heat loss? Is it actually energy efficiency testing?

Hi, I am hoping for some advice. My builder has completed a loft and the building inspector has said the insulation is not sufficient as it has a u value of 0.22 and not 0.18. I have spoken to my builder and he says we could argue on the basis of height that additional insulation would not be...