Looking for a new way to piss off your landlord or co-op board? How about adding a new room to your unit without a contractor or any silly permits?
That's the opportunity afforded by the "backpack house," a folding, pref-fab cube meant to attach to the side of any dwelling, adding about 80 square feet of living space. It weighs about 2 tons, so anyone above the ground floor is likely to need a crane to get it into position.
Add an Additional Room To Your Apartment [freshome]
