Mercury Prize winners alt-J are heading back to The O2 on Wednesday 14 July 2027, exactly a decade after their first headline show at the London venue.
A decade is a neat bit of timing, and alt-J have made the most of it. The Mercury Prize-winning British band will bring their THEN AGAIN TOUR 2027 to The O2 on Wednesday 14 July 2027, ten years after their first headline performance at the venue in 2017. It’s the latest name to join The O2’s 20th birthday celebrations, which run throughout summer 2027.
Why alt-J, and why now
The numbers back up the occasion. alt-J have sold more than two million albums and racked up more than two billion streams. Their debut, An Awesome Wave, won both the Mercury Prize and an Ivor Novello Award. It was followed by the UK number one This Is All Yours, while 2017’s RELAXER became their second Mercury-nominated record and flew into the UK top 10 ahead of that first O2 headline show.
Emma Bownes, Senior Vice President of Venue Programming at AEG International, said: “alt-J are one of the most distinctive and successful British bands of their generation, so it feels particularly fitting to welcome them back to The O2 exactly ten years after their first headline show here.”
The birthday line-up so far
It’s already a properly stacked summer. Maisie Peters plays on Saturday 8 May 2027, Shreya Ghoshal on Friday 4 June and David Guetta on Saturday 5 June. SOMBR has five dates (21, 22, 24, 25 and 29 June), Brad Paisley follows on Saturday 26 June, and Billie Jean King and John McEnroe appear on Sunday 27 June. Santana is on Wednesday 30 June, Kings of Leon on Friday 2 July, Jack Johnson on Sunday 4 July and Don Omar on Monday 5 July.
Pet Shop Boys play 9-10 July, then alt-J on 14 July, Jamiroquai on 15, 16 and 19 July, and Jorja Smith on Saturday 17 July. More names are promised in the coming months.
Since opening in 2007, The O2 has welcomed more than 100 million visitors and hosted over 6,800 events. The milestone year also follows the recent extension of its naming rights agreement with O2 until 2038.
How to get tickets
O2 and Virgin Media broadband customers get exclusive presale access via Priority Tickets in the Priority app, from 10am on Wednesday 18 November 2026. General sale opens at 10am on Friday 20 November 2026 via The O2 website.
If a ten-years-on alt-J night sounds like your kind of summer evening, set an alarm for 10am on 18 November if you’re eligible for the presale, or head to The O2’s website on 20 November for general sale.
