So we all know that the entire back end of the Big Brother house was teared down at the end of Big Brother: Celebrity Hijack in 2008. Since then & after BB9, the house shape, layout and more predominantly, garden shape has become rather stagnant. Below is an interesting article I found from house designer Patrick Watson from back in 2008, and a comparison of two aerial pictures of the house - one from 2006 (BB7 and before the re-build) and one from BB12 (2011).
AERIAL PICS IN SPOILER TAGS: