Faced with height restrictions
when building his family home in London, architect Alex Michaelis decided to go underground instead. Observing a 6-foot limit, he created a light-filled, spacious home that uses the lower climes of the site to achieve the designer's goals. includes sustainable building strategies such as a green roof
, solar panels, radiant heat, thermal wool insulation and double-glazed windows. This home is also amazingly kid-friendly, with a slide built alongside the staircase, and a child-sized natural indoor pool
that's fed with clean, drinkable water from a borehole 300 feet down.