Sarah visits Jenny and Paul in Leicestershire, who are living with Jenny's children and their own son, and feel they have outgrown their home.

Sophia and Rob want a romantic retreat, but their loft lacks both an en suite and headroom. Sarah installs monitoring cameras and re-styles the space.

Sarah helps Chris and Edel, who have a kitchen that works hard as an office and social space, while two other rooms are left totally unused.

Lisa and Sandro are knocking two apartments into one, but do not know how to get the best outcome for their money. Sarah generates an unexpected solution.

Jo and Dod put their renovation on long-term hold after ill health, so Sarah puts right their dysfunctional, outdated and cramped spaces using her floor plans.

Mel and Iwan have a cramped kitchen and unused breakfast room that's ruining their country cottage. Sarah installs monitoring cameras and generates a new layout.

US-born John botched the first renovation of his Putney flat, so Sarah generates a life-size floor plan and redesigns his kitchen, living room and garden.

Rosi and John need a glamorous retirement apartment to work for all their future needs, so Sarah installs monitoring cameras and revolutionises its look.

Tracey and Nigel have a large family that their semi-detached house cannot handle. Sarah suggests a surprising layout solution.

Australians Glenn and Cassie need to make a house in London's East End work for them and their new baby. Sarah generates a life-size floor plan and creates new looks for four rooms.

Kent mum Jo worked hard to buy her house, but the downstairs is not fit for purpose and the bedrooms lack style and storage, so Sarah creates new floor plans and redesigns them.

Mahesh and Parvathy need to make two bedrooms work between four people, including a baby daughter. So Sarah generates a life-size floor plan and redesigns the lounge and nursery.

In West Sussex, Alex and Michelle need to sort out a hallway of seven doors and create an outdoor family area. Sarah generates new, life-size floor plans and redesigns their spaces.

Eastender Rohan has let 11 years of possessions gather round him and uses a tiny proportion of his flat. Sarah creates a new layout and look, and clever storage saves the day.

First-time renovators Rachael and Carl have ambitious plans, so Sarah installs monitoring cameras, creates life-size floor plans, generates a new layout and styles their home.

Emma and James have two little boys and a ground-floor layout of their home that is fracturing family life. Sarah creates a new floor plan with an eco-friendly look.

Hannah and Rob have returned to the UK from the US to start a family, but the layout of their house needs a radical rethink. Sarah creates a new floor plan over two floors.

Tasha is away with work so often, she lives in her two-bed flat surrounded by unpacked boxes. Sarah generates a floor plan and redesigns her lounge and kitchen.

Judith and Sam have two small boys, a chaotic ground floor and a baby on the way who will need his own nursery, so Sarah creates family-friendly layout and design solutions. Last in the series.