The Office Christmas Jumper Party takes place on Friday, 11 December 2026, from 3 PM until 4:30 AM at Retro Cardiff. Attendees are encouraged to wear their Christmas jumpers, whether they are surprisingly stylish or delightfully terrible, as part of the festive fun. The event features after-work karaoke from 3 PM to 10:30 PM, along with a playlist of Christmas and retro party anthems to keep the atmosphere lively throughout the night.

In addition, there will be festive giveaways and a happy hour until 11 PM, offering selected pints for £4, 2-4-1 VK drinks, shots from £1, and special deals on beer and cocktail towers. The entry fee is free, allowing guests to enjoy the festivities without any cost. A Karaoke Booth is also available for booking at £7 per person per hour.

Details written from the information supplied by the event organiser.