25% Glazing Rule!
Posted 10 April 2013 - 12:41 PM
Posted 10 April 2013 - 04:18 PM
If the extension were to form a seperate room then page 12 para 4.2 would apply..
That says 25% of the area of the extension plus any external doors or windows that no longer exist.
That's consistent with the old 25% rule for new houses. It's equivalent to moving the window that was covered up (so still 25%) then adding an extension with it's own 25%.
In the case where it's all one room I believe they would limit you so that when finished the total area of all external windows and doors was 25% of the new total floor area. Thus still 25% of the floor area. Your method would result in more than 25% of the total floor area.
Posted 10 April 2013 - 05:14 PM
Yes, the Local Authority has the same opinion as yourself but I seem to remember that we disussed this very same problem a couple of years ago on this forum and at that time you seem to have been of the opinion that both the new and existing floor areas could be summed together. Anyway, I was just wondering if some Local Authorities interpreted it differently but ultimately it's, of course, down to them to approve it anyway so I'll have to comply. Thanks for your reply.
Edited by joiner, 10 April 2013 - 07:45 PM.
Posted 10 April 2013 - 08:37 PM
Edited by cds, 10 April 2013 - 08:37 PM.