Judges Zoe Ball, Manoj Malde and Lachlan Rae tour the contenders from the north of England. In Cheshire, they discover a garden whose owner's design has made it into a series of stunning outdoor rooms. From a lake and a meadow to a swimming pool and a kitchen garden, the effect is striking. Near Huddersfield, they find a three-level garden prospering 1,000 feet up in the Pennines, on the site of an old quarry boasting everything from a terrace kitchen to a pond. Then, nestled in the heart of Manchester, the judges discover an urban garden that its owners have made into a tropical wonderland.