Just as an example of how uncomplicated it would be to plan for Lu’s future needs the architect could very easily design the house with a future lift in mind. All they would have to do is draw in storage closets large enough to accommodate a residential elevator cab and stack them on top of each other, on the ground floor and upper floor, creating a future lift shaft which empties out onto a widened hallway to accommodate a wheelchair (min. 92 cm). And then, when the time came that she was no longer mobile, they would purchase and install the residential lift in that space. Easy peasy.