Secrets of the National Trust

Petworth House (4x1)

Air date: Jul 23, 2019

The presenter returns to visit a house in West Sussex known as `the house of art'. Sat in beautiful Capability Brown-designed grounds, Petworth House was home to the third Earl of Egremont, whose passion for British art saw the abode become an art school for the nation's talents. Plus, Jennie Bond discovers a Grand Tour with a difference, and Peter Purves navigates the Chichester Canal to reveal it wasn't just the art world which benefitted from the Earl's investment.