according to a local building inspector i was chatting to today he says that if you disturb 25% or more of a buildings thermally accountable structure, then you must upgrade it to full spec under a buildings notice.he says this rule will be phased in shortly
in other words, say if your old flat roof needed re felting and some of the boards needed replacing. if say the old builder just packed a little fibreglass in the void when he built it, then thats not good enough today. bc want a full spec roof putting back with kingspan venting and the whole nine yards.
oh and they will want to come and inspect it too.
scrutiny is becoming tighter, but im not sure how it will be enforced.
watch this space.
in other words, say if your old flat roof needed re felting and some of the boards needed replacing. if say the old builder just packed a little fibreglass in the void when he built it, then thats not good enough today. bc want a full spec roof putting back with kingspan venting and the whole nine yards.
oh and they will want to come and inspect it too.
scrutiny is becoming tighter, but im not sure how it will be enforced.
watch this space.
I live in a "true" Chalet bungalow...acres of roof......I shall do future work@ night 
