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Hidden Treasures of the National Trust

Conservator restoring Beatrix Potter’s Doll’s House at Hill Top, Cumbria, including items that appear in Beatrix Potter's The Tale of Two Bad Mice
Restoring Beatrix Potter’s Dolls' House at Hill Top, Cumbria, including items that appear in The Tale of Two Bad Mice | © National Trust Images/Annapurna Mellor

Follow our teams at work and get closer to the objects they care for in BBC's Hidden Treasures of the National Trust, returning for a third series this spring.

The third series started on Friday 16 May and is narrated by Toby Jones. From a mysterious painting that may be a young Lawrence of Arabia to a dolls’ house owned by Beatrix Potter, each episode explores a different theme, linking the houses, their histories and their collections as they undergo conservation.

You'll also meet some of the experts and volunteers who care for the 500 places we look after, including June, who counts the cracks in the marble hall at Kedleston Hall. There's also Pete, head gardener at Beatrix Potter's former home, Hill Top, who is often mistaken for the famous Mr McGregor from Beatrix's Tale of Peter Rabbit.

Watch the third series and catch up on the first and second series on BBC iPlayer. 

Someone working on the large parchment of the Sackville Family Patents and Pedigrees from Knole at The Studio, Langley Cottage, Cambridgeshire
Sackville Family Patents and Pedigrees from Knole being conserved | © National Trust Images/Arnhel de Serra

Places featured in episodes 1 – 3

Lake District

Episode 1 – Hill Top

Hill Top was Beatrix Potter's rural retreat and inspired many of her much-loved children's books.

The dolls' house being restored in this episode was one Beatrix acquired in her 70s but some of the miniature contents featured were given to her by her publisher Norman Warne much earlier and may have inspired her story The Tale of Two Bad Mice.

The house is now back at Hill Top in a new display, Pets to Page: The Tale of Two Bad Mice, exploring how Beatrix drew inspiration for her tales from the pets and people in her life. The exhibition contains state-of-the-art lighting to spotlight the house's rooms and animations bring the mischievous mice to life.

Find out more:

Discover things to do at Hill Top house

A two storey doll's house, with two rooms on the lower floor, is full of tiny objects including plates of food on a table and a tiny chandelier
Beatrix Potter's dolls' house after conservation, at Hill Top, Cumbria | © National Trust - Annapurna Mellor
Conservation work on the beaded bodice of the Peacock Dress at the Textile Conservation Studio, Norfolk
Conservation work on the Peacock Dress at the Textile Conservation Studio, Norfolk | © National Trust Images/Arnhel de Serra

Places featured in episodes 4 – 6

Dorset

Episode 4 – Corfe Castle

Corfe Castle is a thousand-year-old royal castle shaped by warfare.

This episode looks at women's roles in the English Civil War and Lady Mary Bankes' defence of Corfe against the Parlimentarian troops. She had been left with her 11 children, servants and just five soldiers while her husband Lord John Bankes, Attorney General to Charles I, was fighting for the Royalist cause. They managed to keep hold of the castle through two sieges before being defeated in 1646. Her bravery was recognised by both sides in the conflict.

The episode follows the recent excavation by archaeologists working to find the gateway in the external wall which was opened by traitors to let the Parliamentary forces enter.

Find out more:

Discover how the team care for Corfe Castle

Archaeologist excavating a stone arch at Corfe Castle
Archaeologist at Corfe Castle, Dorset | © National Trust Images/Sophie Bolesworth

Caring for collections

Many of the items featured in Hidden Treasures of the National Trust are conserved and restored in The Royal Oak Foundation Conservation Studio at Knole, Kent and the Textile Conservation Studio at Blickling, North Norfolk. The multidisciplinary teams across both studios specialise in the conservation treatment of decorative arts, including paintings, frames, furniture, ceramics and textiles.

During the third series of Hidden Treasures of the National Trust you'll see experts at The Royal Oak Foundation Conservation Studio caring for the Tintoretto from Upton House and Gardens, Dyrham Park's painting of Bridgetown, Lanhydrock's Antwerp Cabinet and the Chinese Lacquer Screen from Ham House. Other specialists at The Textile Conservation Studio have worked on Thomas Carlyle's coat and hat and the Peacock Dress from Kedleston Hall. Both studios used their expertise to work together on the Beatrix Potter's dolls' house and the Dolphin Chairs from Ham House.

Find out more about The Royal Oak Foundation Conservation Studio

Find out more about The Textile Conservation Studio

Conservation work on Beatrix Potter's dolls' house being filmed for the Hidden Treasures of the National Trust Series 3

Watch the series

You can watch Hidden Treasures of the National Trust on iPlayer, series 3 will be available from 16 May. Catch up on episodes you may have missed or see the first two series again.

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Book conservation volunteer in action mending a historic book at Belton House, Lincolnshire
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How volunteers help us care for our collections 

With more than a million items in our care, discover the vital role our conservation volunteers play in preserving the collections at more than 200 National Trust places.

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Membership 

As a member, you'll be able to discover more than 500 places throughout England, Wales and Northern Ireland. You’ll be helping to protect nature, beauty and history – for everyone, for ever.

The Hidden Treasures of the National Trust book

Hidden Treasures of the National Trust 

This book to accompany the third series explores some of our most treasured objects and places. Featuring a forward by historian Mary Beard, it uncovers the remarkable stories from the series and celebrates the people who work behind the scenes to save them for the future.

Conservation work on an ornate chest of drawers being filmed for the Hidden Treasures of the National Trust Series 3

Donate 

For 125 years, people like you have helped us look after nature, beauty and history. Donate today and together we'll preserve the precious places in our care.

Conservation cleaning of THE OPENING OF WATERLOO BRIDGE, 18 JUNE 1817 by John Constable, from Anglesey Abbey, Cambridgeshire.

History and heritage 

Find out how your support helps us look after the past, from conserving historic buildings to revealing archaeological sites and supporting urban heritage projects.

The Nobel Prize in Literature presentation folder, which was awarded to Winston Churchill in 1953 at Chartwell, Kent

Art and collections 

The art and heritage collections we care for rival the world’s greatest museums. Learn more about the collection of paintings, decorative art, costume, books, household and other objects at historic places.