London’s one and only Rooftop Festival is back and better than ever. A kick-ass lineup of established and emerging artists includes Maverick Sabre, The Hics and Clement Marfo. In addition to music, there’s comedy, outdoor games and zingy cocktails. Load some BBQ grub onto your plate and get ready for the feel-good sound of summer. Over 18s only. Valid ID required. No admission after 5pm.