Charlie Dimmock and the Rich brothers compete to design a £6,000 garden for a couple in Watford who crave a space to remind them of their former garden in Africa. They pull out all their creative stops to conjure up scenes of the savannah in the home counties.

Charlie Dimmock and the Rich brothers are tasked with transforming a long, thin garden in Northampton. With a fortieth birthday party only weeks away and a young goddaughter to consider, which designer will win the brief for an exciting, multifunctional space?