18th Century doll's house valued by Antiques Roadshow at £150,000

An 18th Century doll's house, described as "of national importance", has been valued by the BBC Antiques Roadshow at more than £150,000.

It will feature in the first episode of the new series of the long-running programme, which was recorded at Tewkesbury Abbey in Gloucestershire and will be broadcast on Sunday at 20:00 BST.