When we built our home 50 years ago, the architect put a sewing room in the plans. It was great That lasted six months when my DH decided to move his radio equipment in the same room. Reason......It was where the phone was.
As my four sons moved out I Moved from one bedroom to another until the sons at one time or another had to move back for money reasons.
They are all finally in their own homes and DH has passed on. I now have the Florida room which is 25' x25' all to myself and three empty bedrooms for the overflow. I'm in heaven. Of course, my family think I'm nuts to have so much fabric and so many machines. Their problem, not mine. My doctor says I'm not certifiable yet but maybe in another 20 years.