Now shift to communal bathrooms and kitchens, possibly on the ground floor. Immediately the safety codes for ventilation no longer matter, immediately the plum

Now shift to communal bathrooms and kitchens, possibly on the ground floor. Immediately the safety codes for ventilation no longer matter, immediately the plumbing is satisfactory. You could even have walls made of cubicle panels. Is this going to be the equivalent of a studio apartment, no, but it should cost a lot less.