> It's very expensive to retrofit residential walls, HVAC, plumbing etc into a building that wasn't designed for it. I wonder how much of that can be fudged by

> It's very expensive to retrofit residential walls, HVAC, plumbing etc into a building that wasn't designed for it. I wonder how much of that can be fudged by having lots and lots of exposed pipework. Using concrete screws and bold primary colors. The same sort of aesthetic worked for the exterior of the Centre Pompidou in Paris.