"It could be the biggest bargain on the property market: a two-storey house that’s being given away for nothing."
I watched the episode of his show where they made this and it was quite the feat. A Lego house is much more complicated to make than you would think! It's also well, silly.
This article is quite old now though. The house was dismantled back in 2009 and all the blocks were given to charity.