I've got a 21 x 50 shop. Cabinets/ 36" counters on one side, upper cabinets and floor tools (blast cabinet , trans jack, engine stand, 2 post lift, 3/4 bath, galley kitchen, refrig) on the other and have 5 cars in there. A little tight to work on them, but so far it works. I'd go 24' x 50'...