LS Lowry believed his paintings would be worthless, interviews reveal

Exclusive: Sir Ian McKellen portrays artist in BBC documentary that draws on trove of previously unheard recordings

LS Lowry was convinced his paintings would be worthless after his death, he confided in a previously unheard interview.

Although the artist had enjoyed some success in his final years, Lowry could never have imagined he would become one of Britain's best-loved artists or that his paintings would sell for millions of pounds.