I built a 16X20 shed upgrading the old small one about two years ago. Inside I keep my toys.
--- JD 2320, 200cx FEL/60 inch HD bucket
--- JD 1435 front mower, MCS600, 60 inch 7-iron deck, curtis cab with heat, 60 inch HD snowblower
Mine sleeps inside my recently finished "quonset hut" type metal building. Attached are some pics from the past several months. This building took from mid fall last year until last week to "finish."
It's 14'wx20'lx12'h with end wall and 8'x8' door end. Concrete floor is 6" fibre reinforced slightly larger than finished building. Local business fabricated c-channel bolted to pad, and building bolted into c-channel. Twenty three yards of sand fill before pad poured and building erected ....
2305 Tractor, 200CX FEL, Ballast Box, 647 Tiller, and 54C mower are all I have in building. Plenty of room to get to everything ...