Recent content by dt25

ok great i'll look into that test too. Would you say then that the existing kitchen floor area can not be included in the total floor area calculation?

Hi all! I've got a question regarding calculating the u-value for a new kitchen extension. I am looking to build a single storey pitched roof extension onto a single storey house. It will have bi-fold doors and roof lights. There will be 2 existing windows removed to create the openings to...