Hello again, thank you all for your kind welcome and constructive feedback, it's very much appreciated...
It's still early days, knowledge gaining and planning in my head at the moment...
I have potentially over 20m squared of run space, I was thinking of potentially cutting out concrete for the run and using the remaining concrete border to fix the run to and build the coop on...
I was thinking maybe a combination of black australop and austra white hens, starting off with 4 to 6 combined, then maybe adding 2 at a time in future years up to say a maximum of 15, which from what I've read so far I potentially have ample run space for...