Admittedly, this is quite dull. Nevertheless, here it is - the plan for George's garage at Kinfauns in 1966. Like John at Kenwood and Ringo at Sunny Heights, George did do reconstruction at Kinfauns, plus a lot of de-rigeur psychedelic paintwork. He did also do in 1966 a garage, in one corner of the grounds, to house his mini etc. And there it is:
There is still a garage in that corner, but probably not this one.