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.
Buckinghamshire couple Edward and Louise Croft-Baker want to build a two-storey extension on the side of their property, but must overcome the problems caused by a two-metre sheer drop in their garden. Meanwhile, in Stamford, Lincolnshire, Lindsey Adams, who was born with dwarfism, has a £40,000 budget for a kitchen extension - though her fears about doing the wrong thing mean she has made little progress on the project.
In north London the Siddiqis want to enlarge their home with not one but three extensions, while the Boyes in Sheffield are halfway through an ambitious £180,000 revamp.
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. Can Sarah turn around the fortunes of both build projects and save them money on the way?
In Chalfont St Giles, Buckinghamshire, three generations of the Franklin family live on top of each other in a cramped bungalow. They would love to own a spacious two storey house, but their budget doesn't stretch that far. Instead they decide to turn their current home into a family friendly haven. The Riglers in Sydenham, London are desperate to double their bedrooms and bathrooms. They can't build out, so they're building up into the loft. By doing so they will lose all storage space but Sarah is on hand to help them find clever solutions and keep the budget on track.
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.
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.
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. Can they balance a limited budget with their strict eco principles?
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.
Sarah Beeny meets newlyweds Andrew and Angharad in Northamptonshire and Vicki in Sussex, who needs more space for her two small kids. In Church Brampton, Northamptonshire, newlywed couple Andrew and Angharad Garner bought a country home with a problem - it had a neighbour's access alley running along the side wall of the house. To put it simply, if they build an extension, they will have to leave an alleyway running slap bang through the middle of their house. In East Preston, Sussex, single mum Vicki Thorne is in need of a workable home for her typically energetic four-year-old and for his big sister six-year-old Iona-May, who has (quadriplegic) cerebral palsy. Vicki and her mum have spent the last two years raising the funds from donations to pay for the £60,000 needed for the building work.
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.
Sarah visits a tiny two-bed house in Horsham, West Sussex, where the owners have run out of space, and a massive build in the affluent London borough of Wandsworth. In Horsham, West Sussex, Jason, Sarah and their two-year-old son Harley need more room. Plasterer Jason pulls in favours from mates in the trade to help with their extension project, but on Day1 they hit upon a real stink - a sewage pipe. In the affluent London borough of Wandsworth, south London, Charlie, Claire and baby Tommy live in a pokey two-bed Victorian terrace. With Charlie busy at work, Claire takes charge of their massive build, which they plan to decorate in a country-house style.
In Horndean, Hampshire, Sarah meets Pete and Teressa Mitchie and their two kids. They urgently need more space, but six weeks into the build their builder pulls out and Tress is forced to take on project managing. Is a prefabricated loft built off-site the answer to the Mitchie's needs? In Porchester near Portsmouth, free spirits Ben and Kathryn want to create a floating home at sea, gambling £35,000 to buy an ex-military barge to transform into their dream home. But there are major set-backs in store...
In St Ippolyts in Hertfordshire, Sarah meets Ben and his French housewife Alex and the couple's six children. The family want to turn their tiny three bedroom home into a stylish six bedder, but on a very tight budget. In Clapham, south London, Stephen and Tara are feeling the squeeze and want to dig out their basement. But once digging commences the costs start to spiral.
In Elstree, Hertfordshire, Sarah Beeny meets Oliver and Lucie Herman, whose £900,000 property once doubled as a dentist's surgery. The couple have taken on the challenge of transforming the building into a stunning new home with a whopping £200,000 to spend. However, the budget still skyrockets out of control. In Liss, Hampshire, Graham and Alana Tourell want to restore a former post office - a stunning arts and crafts period property - into a home. But sourcing original and reclaimed items for the renovation doesn't come cheap and takes months.
Ian and Claire want to double the size of their four-bed property and make it a multi-generational home with separate floors for their parents, their children and themselves. Sarah Beeny also meets Paul and Mimi, who moved away from London after the riots to settle in Great Bowden, Leicestershire, where they hope to makeover their 60s property into a stunning rural home.
On the beautiful Sussex coast, Sarah meets Paul and Ryan, who dream of a modern super-stylish home with spectacular views of the sea. Unfortunately the only house they could afford is a small bungalow... with no views at all. The couple plan to create their dream home themselves, using their life savings, including a cutting-edge kitchen and a whole new floor with views across the sea and the countryside. In the picturesque Buckinghamshire village of Great Missenden, Sarah meets Drachan and Susan, who want to transform their drab 1950s house.
Sarah meets Tabitha and Paul, who want to enlarge their small cottage in Kent, and Jim and Elaine, who need to refurb their 60s for their growing family. Tabitha and Paul need more space for their young family, but blending the old with the new is the dream. With both an extension and restoration project on their hands, the couple face a challenging build. Jim and Elaine want to update their uninspiring 1960s semi on a tiny budget and a very specific timescale.
Sarah meets Russ and Jen Hunt in Sheffield, who want a larger family. Unfortunately, their new-build is already bursting with one child and unable to afford the move to a larger home, they embark on their first extension. In the village of Radlett, Sarah also meets Adam and Laura Margolis and their two children. The family sold their four-bed house and bought a bungalow after Adam, who has Multiple Sclerosis, found climbing the stairs impossible. They now face the challenge of adapting the property to make it more accessible, while extending it to create a super stylish family home they can all enjoy.
Sarah meets Candida Gubbins who wants to dig beneath her London flat to create a new floor. Basement extensions are always tricky, but for Candida, project managing her first build and using an inheritance from her mother means she's in for sleepless nights. In Wolverhampton, Jay and Stephen want to bring Kardashian style to their extension. Although estate agents, the couple have never done a building project and at times their eyes are bigger than their wallets. A new baby, a tight timescale plus a daily battle to keep the building site from invading their tiny living space - as well as trying to do a lot of the work themselves to keep within budget - means Sarah is worried whether they will manage to finish on time... if at all.
Sarah meets Jamie and Shital, who have relocated from London to Sheffield and want to adapt their bungalow into a stylish home suitable for their needs - Shital has a rare genetic condition that confines her to a wheelchair and Jamie has cerebral palsy. The new build must also work for Shital's disabled brother and elderly mother. Sarah also meets a family extending their home, in Doddinghurst, a pretty rural village in Essex. The family plan to create a modern mansion for multi-generational living on a limited £150,000 budget.
Sarah visits major renovation works battling to work out well during one of the wettest winters in history. In Fleckney, Leicestershire, Sarah meets Steve and Hannah - first-time renovators who have recently bought a dilapidated 1970s property with the aim of extending, modernising and fixing from top-to-toe, to create a multi-purpose stylish house and home office. In the desirable village of Great Missenden, Buckinghamshire, Sarah meets newlyweds James and Lucy, who have taken on the challenge of renovating and expanding an old two-bed semi into a four-bed country cottage.
