Alan Titchmarsh and a team of architects, builders and gardeners transform the kitchen and garden of wheelchair-bound 15-year-old Josh, who has multiple disabilities. The kitchen is so tiny that Josh and his mum Benita cannot be in it together, and Josh's wheelchair won't fit through the back door so the garden is completely off-limits. Architects Ewald and George create a new layout in the house so Josh can move from the front door to the back garden with ease, and task builder Kunle turns the kitchen into a state-of-the-art conservatory so mother and son can cook together for the first time. In the garden, Alan creates a series of different rooms, each designed to appeal to different senses.

Alan Titchmarsh and his team of experts meet Anne and Mike, who have been married for 54 years and for almost a decade have been dealing with Mike's dementia. As his condition has worsened, their house - with its peculiar layout of rooms - has become increasingly difficult to cope with. An even bigger challenge is the garden, which is more than a metre below the house and therefore off-limits to Mike.

Alan Titchmarsh and his team bring the outside indoors for an inspirational family in Swindon. Wheelchair users Nina and Steve Parry look after Nina's two children, but struggle with a poorly laid-out living space that offers no direct connection to their neglected back garden. Architects George Bradley and Ewald Van Der Straeten, along with building expert Kunle Barker, handle the challenges inside, bringing lots of clever ideas and some cool contemporary flare to the bungalow.