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How it would look..
This quirky eco-friendly home could be one of the most spectacular houses built in the UK - but the new owners will have to build it first.
At the moment £460,000 will buy you a 6.5-acre plot of greenbelt land currently grazed by sheep.
But it comes with permission to create an unusual property the length of six double decker buses with a grass roof and two internal gardens big enough to grow trees.
The site is on the outskirts of the pretty village of Knowle, near Solihull in the West Midlands, and will have far-reaching picturesque rural views.