Double Your House for Half the Money Episode Rating Graph

Jackie and Russell want to extend their rundown 1930s semi in Cheshire, while in Bristol Neil and Anita plan a granny flat for Anita's mum and dad. Jackie and Russell are desperate to get to work on the property they bought three years ago with a view to extending. But soon after their purchase, Russell lost his job, work never started, and they've been camping ever since in a house which is totally unsuitable. But now the plans for a gigantic extension are back on, only for disaster to strike yet again halfway through the build when Russell loses his job for a second time.

In Whitstable, on the Kent coast, Maureen Shaw aims to turn her run down 1960s bungalow into a four bed family home. But without a tight schedule, Sarah is worried that the budget might slip. In Christchurch, Dorset, Paul and Judith Turner are in the middle of a massive extension project, making for a longer house but without access to any natural light in the middle. Sarah is keen to come up with some practical solutions.

Two families hope to save cash and supersize their homes. In Ascot, the Ioannidis family want to create a multigenerational home by doubling their 50s semi-detached house. Daughter Helena and her fiancé Andy are paying the mortgage and parents Paris and Zanette are funding the build from their life savings. Sparks fly from the start between daughter Helena and father Paris, who also project manages the build. In Maidstone, Ben and Eloise Barratt want to double the living space in their cramped 1960s detached home. As well as having a new baby on the way, web-business owner and salesman Ben is piling on the pressure by project managing the build himself.

In Surrey, Stuart Allan, his wife Fiona and their two daughters are desperate for more space. They have saved for nine years to turn their ugly duckling of a house into a New England-style dream home. In Liverpool, Vicky Holmstock has an untouched Grade II listed windmill that she dreams of turning into a luxury designer home. Vicky has submitted five planning applications, worked her way through four architects and still hasn't got her permission finalised.

Sarah meets scientist Jo and computer engineer Keith Mortimer In Swindon, Wiltshire. The couple have grand plans to more than double the size of their four bed 1930s house with a two storey wraparound extension. In St Albans, Hertfordshire, Sarah meets Mei and Yui Tse, who are planning their home's second expansion in four years.

Builder Greg Pritchard and his wife Jo bought their barely habitable Bracknell property four years ago. But with the arrival of baby Sam progress trickled to a halt. Greg and Jo have an amazing view, but the challenge is to design a property to do it justice. In Cheshire, recruitment director Becky and mechanical engineer Mark Ridley live in a 200-year-old cottage with their two children. They want to add a massive extension and give it a modern revamp while making the most of its original charm.

The Ricketts want more room in their detached house in Hinckley, Leicestershire, but money is tight, while the Ellises in Bristol hope to transform the damp basement of their small Victorian flat.

Young couple Richard and Sarah bought a picture perfect cottage in Ardens Grafton in the lovely Warwickshire countryside, which, like many rural properties, has been extended, bit-by-bit over time. The result is a hotchpotch of buildings extending out from the original Victorian house and ending with a side extension bolted on in the 1950s. Richard and Sarah have a limited budget, so to save cash they're doing the demolition themselves, which unearths a few problems. And in the gorgeous seaside town of Whitstable, Kent, Paul and Laura plan to dramatically transform their 1930s terrace. Using a long-saved but limited budget, they want to build an extension that will give them twice the space - but remain as ecologically friendly as possible.