Donna and Paul need a winch to complete their huge balcony installation in Brittany. Jane and Rory have a smashing time in their gîte kitchen at Château de Pican, and near Cognac, Sarah and George use their antiques expertise for another wedding.

Jane and Rory's handmade kitchen island won't fit through the gîte door at Château de Pican. Bart and Sarah rush to prepare their Cognac barn for their best friend's wedding, and at Château de la Vergne, Lionel and Claire work on the gilded ceiling for their dining room and bespoke fromage cupboard.

Donna and Paul plan to install a rear balcony at their chateau in Brittany, but it's a demanding job that requires Paul to handle heavy steel girders and cut through decades-old reinforced concrete. Renovations are also under way at Châteaux de la Vergne and de la Grillère, while a wedding party are trapped by dangerous trees near Cognac.

Nick and Nicole are desperate to transform the front of their Dordogne home from a chaotic building site into an architectural showpiece. Tim and Krys prepare for their first dog show at Château Domaine de la Barde, juggling DIY projects that promise to get tongues and tails wagging.

At Château La Grande Maison, Ben and Billie dream of transforming their tired orangerie into a serene health spa, while Chris and Jolyon tackle the final two of their eight bedrooms, taking on intricate wallpaper, a handmade bunk bed and a secret bookcase door.

Jon and Carmen prepare a bespoke wedding aisle for their big day and, with a baby on the way, Anna and Maxime begin renovating their new family château.

In Brittany, Donna and Paul return to the basement of their five-storey home, and the race is on to install the final windows and seal the rear façade before the elements take over. At Château de la Grillère, Tim and Sharon are desperate to open their doors to guests, but with a first-floor suite unfinished, a window seat to build and wasps in the chimney, everything is against them.

Alicia and Carlton are getting Château D'Aran wedding-ready, but with the ceremony approaching fast and a bathroom still to revamp, the pressure's mounting. Eleanor and Ben continue their dream château hunt near the Pyrenees, while Kathryn and Steve try to squeeze a modern bathroom into a former coal store.

Donna and Paul race to waterproof their basement of their once-derelict five-floor home as river levels rise in Brittany. Eleanor and Ben explore different châteaux near the Pyrenees that they hope will lead them to a forever family home. Vivienne and Simon plan a lavish costume party themed around their new Empire Suite.

Vivienne and Simon attempt to transform a peeling, lifeless room into their deluxe Empire Suite, with beds to upcycle, giant mirrors to install and the entire space to re-invent.

Jon and Carmen start work on their deluxe vineyard pergola, but Jon's measurements go awry. And can Sarah and George transform a poo-covered pigeonnier into a wedding focal point?

Ben and Billie battle brambles to create a riverside retreat. Louisa and Roger's new suite has last-minute design changes. Mark and Sandra scramble to prepare their gîte for their very first guests.

Louisa and Roger rush to finish a suite for their first wedding. Debbie and Dave transform their dusty, disused barn into a craft retreat. Alison and Zion tackle mismatched windows and upcycle a bed.

Terry and Ashley rush to finish the garden before visitors arrive. Will Alison and Zion's apartment plans come crashing down? Can Kathryn and Steve complete their kitchen before their son arrives?

Donna and Paul race to finish their utility room. Terry and Ashley are in deep water with their garden feature. And Helen and Malcolm find 20,000 bottles in their cellar; is it vintage treasure?

Janet and Philip give their tired dining room a regal makeover. Donna and Paul push on with their mega renovation. Stephanie hunts for the perfect spot for her poulet palace.

Balanced on beams above deep water, Paul dabbles with DIY danger to tackle a utility room. Debbie and Dave overhaul a barn to launch a craft business. Tim and Krys revive centuries-old ceiling beams.

DIY novices Lionel and Claire tackle a luxury en-suite. Alison and Zion take on gaping ceilings as they rebuild a top-floor apartment. Tim and Sasha prepare for not one but two huge weddings.

Tim and Sasha race to transform their courtyard before back-to-back weddings commence. Anna and Edward spruce up their roof ready for a wine weekend. Roger and Louisa create a new ensuite.

Erin and JB race to light up their red salon before a drinks party. Anna and Edward rebuild their lake's sweeping stairway. Christina and Sassan transform their château's grand front gates.

In the Loire Valley at Château La Grande Maison, Ben and Billie's unfinished apartment gets their hearts racing as try to complete it for a decadent Valentine's Day event. At the Château Trois Cloches, Chris and Jolyon are tackling a full façade transformation. Near Bordeaux at Château Méaume, Mark and Sandra juggle a full gîte renovation with managing a vineyard and tractor lessons.

At Château de Lalacelle in Normandy, Terry and Ashley race to finish their opulent 401 suite, but there's still a daunting amount left to do with guests due imminently. Ben and Billie embark on a dramatic two-bedroom apartment makeover for a Valentine's Day event at Château La Grande Maison. In the Dordogne, Nick and Nicole battle to transform the façade of their dilapidated chateau into an architectural statement.

On the banks of the Lot river at Château de Cézérac, Jon and Carmen are giving their tired courtyard a full facelift. At Château de Lalacelle, everything hangs in the balance as Terry and Ashley race to complete their 401 suite restoration, but there are vast curtains and a brand-new front door still to install. Also, at Château de Pican, Jane and Rory must fully renovate their dilapidated gîte before summer.

At Château de Pican, Jane and Rory struggle to fit straight skirting boards on centuries-old wonky bathroom floors during their huge gîte renovation. Near Cognac, Bart and Sarah race to turn their home into a fairytale wedding venue for their best friends' nuptials, and they're starting with a nightmare bathroom. In the Charente, new owners Sophie and Ray are determined to transform a boring bedroom into a beautiful boudoir.

Kathryn and Steve battle to revive their 14th-century kitchen without losing the building's sense of history, while Sarah and George face their first wedding of the season.

Kathryn and Steve battle to revive their collapsing 14th-century kitchen at Château d'Azerat. At Château de Seguenville, Becky and Mark push hard to complete grandad George's gîte in time for his 80th birthday.

Tim and Krys build a wine cave at Château Domaine De La Barde. Alicia and Carlton prepare for their first wedding at Chateau D'Aran, while Tim and Sasha create a bold, colourful courtyard at Chateau du Puits es Pratx.

In Normandy, Terry and Ashley race to finish the 401 Suite and re-hang a 200-crystal chandelier. At Château Mareuil, Belinda and Lee tackle mould in a tower. In the Loire Valley, Vivienne and Simon rush to finish a bathroom mural before Mum arrives.

Donna and Paul race to finish a risky new floor, six metres up, in Brittany, while Terry and Ashley gamble on their most lavish suite yet at Château de Lalacelle. At Château de la Grillère, Sharon and Tim race against time to complete their tower suite.

At Château de la Boutinière, Alison and Zion race to restore a chapel that's lain untouched for 30 years in time for a couple's 60th anniversary celebrations. At Château de Montespieu, newbies Louisa and Roger take on a bold revival of their towering six-turreted home.