I have 165 chicks that are from one week to 4 weeks old. Some are RIR's and some are Buff Orps, Red Sex Link and White Leghorn. I eventually want all laying hens and will sell the roosters when they are older. I am planning to start a coop and run, as I have too many neighbors to free range. Farm animals are grandfathered in on my 0.65 acre city property. My question is: Will 800 sq. feet of run and a 12 X 12 coop with built in nesting boxes on one side be large enough for all of my babies once they are grown. I would like to get some opinions before I start this project. Thank you.