Many of London’s most financially advantaged residents, including oil tycoons and Indian steel magnates, have been “seeking permission to excavate under the garden… making space for a 3-story garage with car stacker, a swimming pool, a gym and a private home cinema.” There are even “walk-in showers with waterproof television screens and glass walls that turn opaque with the press of a button, and cost £1000 / m2.”
if they keep their mac mansions underground more power to them. at least it does not contribute to sprawl.