The Quiet Treehouse by Quiet Mark and John Lewis designed by Blue Forest was unveiled at The Ideal Home Show 2014 in London, UK. (Photo courtesy Blue Forest)

The Quiet Treehouse by Quiet Mark and John Lewis designed by Blue Forest was unveiled at The Ideal Home Show 2014 in London, UK. (Photo courtesy Blue Forest)

The Quiet Treehouse by Quiet Mark and John Lewis designed by Blue Forest was unveiled at The Ideal Home Show 2014 in London, UK. (Photo courtesy Blue Forest)