Hidden Treasures of the National Trust

Beatrix Potter's dolls' house undergoes major renovation at Hill Top, and in Clouds Hill, a mysterious painting belonging to Lawrence of Arabia reveals its secrets.

The revealing statue of a Georgian high-society mistress has her beauty restored at Knole House in Kent, and Townend, a traditional Lake District farmhouse, undergoes a makeover.

Kedleston Hall's Peacock Dress, a symbol of the British Raj in India, gets a makeover, and a rare but damaged painting from Dyrham Park reveals a controversial colonial past.

The battle to save the homes and treasures left by two Royalist women who refused to submit during the English Civil War - Ham House and Corfe Castle.

A moving work of art from the modernist home of architect Erno Goldfinger undergoes conservation work, and hidden messages from an old master are discovered at Upton House.

At Lanhydrock in Cornwall, a huge, 35-metre-long decorated ceiling needs saving, while in Warwickshire, the Tudor mansion Coughton Court gets an entire new roof.