This is the Grand Designs House of the Year, crowned by the Royal Institute of British Architects.
Architect Richard Murphy built the property as a home for himself and packed it with scores of ingenious and eccentric gadgets.
Murphy House in Edinburgh, Scotland stands like a futuristic bookend at the end of a terrace plot in the heart of the city's 18th century New Town.
The glass roof acts as a major collector of solar energy, but it's inside where the real ingenuity can be found.
And it certainly impressed host Kevin McCloud, who said it "delights and intrigues from the moment you walk in".
Photos: Keith Hunter
The house is full of sliding shutters and secret hatches that transform the various rooms from day to night and maximise the space on this limited plot of city land.
Judge Charlotte Skene Catling said of the house: "There’s so much going on in this building it’s kind of mind blowing.
"It’s a completely magnificent and mad vision of what a house can be and it’s got this other layer which is just pure playfulness. you know, Heath Robinson, Wallace and Gromit.
"It's like opening the back of a clock and seeing how the mechanisms work. It’s a really magical thing and, and quite mad."
Some of the other houses on the shortlist where:
Architect: Coppin Dockray
Architect: Loyn & Co
Architect: Coffey Architects