Nick Knowles hits the road to catch up with some of the inspirational people and communities the show has helped in its 20-year history. On his travels across the length and breadth of the country, Nick returns to some of the series' biggest and most challenging builds, including Canada Street in Manchester, The Yard in Edinburgh, and DIY SOS's most logistically-difficult and longest build - the construction of the Grenfell Community Centre and Dale Youth Boxing club.