Non-motoring > Building Regs - Glazing, Miscellaneous
Thread Author: BobbyG Replies: 3

 Building Regs - Glazing, - BobbyG
A quick question in the hope someone's googling is better than mine.

Have planning and building warrant for a single storey with 4 x 55x78 Velux windows in it.

Due to the number of trusses, it will look more balanced if we put 6 windows in it and also increase these to the next size up, 55x98.

I phoned the building control officer and she said she would check it out but there were regulations relating to the amount of glazed area allowed for room. I am guessing this is maybe in relation to energy / insulation rather than too much light.

I have googled everything I can with Scotland, building control, glazing and no success. Anyone any knowledge on this - I am sure she referred to a Section 38 or something similar, I presume this refers to Building Control Regs?
 Building Regs - Glazing, - spamcan61
I can't say building regs. are my specialist subject but section 6.2.2 of this document says there is no maximum area for windows:-

www.scotland.gov.uk/Resource/Doc/217736/0095432.pdf

Which seems to contradict the BCO's statement.

Appendix 6.A of that document gives some U value calculations including rooflights.
Last edited by: spamcan61 on Sun 28 Mar 10 at 19:24
 Building Regs - Glazing, - BobbyG
Cheers, will check it out
 Building Regs - Glazing, - rtj70
It will be insulation related. I would think if you use better glass and units with more air (or even argon) between panes you will get your extra windows.
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