London Art Exhibitions Not To Miss Opening Autumn 2025

London's major museums and galleries are preparing a packed autumn 2025 season with blockbuster exhibitions. Highlights include 'Radical Harmony: Helene Kröller-Müller’s Neo-Impressionists' at the National Gallery, 'Theatre Picasso' at Tate Modern, a Kerry James Marshall retrospective at the Royal Academy of Arts, Peter Doig at the Serpentine, Gilbert & George at the Hayward, and 'Encounters: Giacometti x Mona Hatoum' at the Barbican. The Barbican show pairs historic works by Alberto Giacometti with new and existing pieces by Mona Hatoum, including several UK debuts and site-specific large-scale sculptures.