Recently (about 6 months ago) got a new shed and arranged everything beautifully.
Fitted 6 bikes in with shelves for clothes, gloves, spares tools etc and it was all weirdly tidy. So much so that it looked only half full. Deliberate ploy so I had room to work on the bikes. That was my first mistake.
Because spare space was seen it has now been filled with children’s garden toys and general garden crap that I intended to go elsewhere.
Takeaway? Keep your bike shed intimidatingly messy then it will stay a bike only space!