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Best Halloween Events In Cardiff 2026

When Halloween in Cardiff rolls around on the 31st of October, the city transforms into a playground for vampires, zombies and witches alike. But with so many spooky parties, bar crawls, bottomless brunches and themed club nights to choose from, where should you head for the ultimate fright night?

That’s where we come in. From creepy cocktails in atmospheric bars to Halloween raves that go on until the witching hour, we’ve rounded up the very best Cardiff Halloween events 2026. So dust off your costumes, gather your ghoulish crew, and get ready for a night of tricks, treats and terrifyingly good times.

Our Guide To Halloween Events In Cardiff 2026

Last edited by Kiera Chapman

Last updated on 11th November 2025

Alcotraz Cardiff: Cell Block Nine-One

45 reviews

@ Alcotraz Penitentiary: Cardiff on Various dates from Sunday 7th December 2025

  • Location: Unit 9a, Brewery Quarter, Caroline Street, Cardiff, CF10 1AD
  • When: Tuesdays to Sundays
  • Price: from £34 per person
  • Why we recommend: this immersive prison experience is such a quirky way to enjoy cocktails with your friends, particularly on Halloween. You'll get lost in a world of theatrics and orange jumpsuits, and get to try some top-tier drinks in the process 

We can't think of anything more terrifying than going behind bars with your mates on Halloween, all while sporting fashionable orange jumpsuits, of course.

Snap up tickets to Alcotraz: Cell Block Nine-One starting from £34 per person and immersive yourself in a theatrical, Hollywood-style experience that encourages you to smuggle your own liquor past the Warden and sip on bespoke concoctions.

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Tramshed Cardiff

1 review
  • Location: Clare Road, Cardiff, CF11 6QP
  • When: 31st October 2026
  • Price: £33.90 per person (final release)
  • Why we recommend: grab your tickets for an unbeatable mix of world-class DJs, epic production, and a legendary atmosphere at Tramshed

Halloween at Tramshed is nothing short of legendary, and this year the party returns bigger than ever as Shangri-La presents Obskür. On Friday the 31st of October, the rising Irish duo will bring their signature high-energy house sound to Cardiff, joined by a lineup of friends and fellow DJs to keep the dancefloor alive until 3am.

Expect spine-tingling beats, an electric atmosphere, and a packed-out crowd ready to celebrate the spookiest night of the year in true Cardiff style. With demand so high that early-release tickets have already sold out, this promises to be one of the city's most sought-after Halloween raves.

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