It's not quite like that Stewie - both ends of the L are gables, and the laundry/family/B3 are under a skillion.
The roof is terracotta tile by the way…

Hi Stewie,
That's along the lines of what I was thinking, but this was the problem I raised in my original question: what do you do with the roof where you…

Hi,
Sorry for the lack of detail. Hopefully this helps:
Use of the existing space is pretty much as shown on the diagram.
We're looking to ideally add 1 or 2 bedrooms…

A C blocks the steps up to the house which we'd have to put elsewhere. A U is maybe an option, although I was also contemplating having a double…

Hi,
We live in L shaped house with the short arm of the L running most of the width of the block and the long arm towards the front. We are…