The organiser for Grand Designs Live in Birmingham, Media 10, has cited an 11 per cent increase in attendance at its three-day Birmingham show and is predicting strong visitor support in London in 2011. The announcement comes despite a dip in attendance at its 2010 sister event in Excel. Media 10 held the fifth Grand Designs Live exhibition at The NEC from 8-10 October. Nearly 500 exhibitors particip...