The Nightmare Realm, an award-winning immersive horror attraction, is set to make its UK debut in London this Halloween.
Launched in Ireland in 2009, the experience has become one of the country’s leading Halloween attractions and will now take over the Grade II-listed Avery Hill Mansion in Greenwich.
The Nightmare Realm will run for 18 nights from 9 October to 1 November, transforming the historic building into a large-scale horror attraction.
The event will combine live theatre, immersive storytelling and large-scale scares in a production created exclusively for Avery Hill Mansion.
Sundown Manor follows an ancient vampire family arriving in London as part of The Nightmare Realm experienceThe Nightmare Realm
With more than 70 live performers, guests will journey through two expansive headline immersive horror experiences.
At Avery Hill Asylum, guests will meet Dr Thorne, a Victorian doctor who fled Ireland and established an asylum where he conducts dangerous and forbidden experiments.
Sundown Manor follows an ancient vampire family led by Lady Sundown, who arrive in London in coffins in search of a feast.
In between the headline attractions is Halloween Town, a fully immersive village where live stories unfold around visitors.
The Nightmare Realm said: "Our headline attractions are the largest and most immersive we’ve ever created. We’ve always been known for experiences that take their time rather than rushing guests from one scare to the next, but London has allowed us to push that philosophy even further.
Guests will encounter Victorian doctor Dr Thorne inside the immersive Avery Hill Asylum horror experience in GreenwichThe Nightmare Realm
"These aren’t collections of jump scares. They’re stories that unfold around you, inviting you to notice details, follow characters and slowly piece together what’s really happening."
Visitors to the Nightmare Realm’s London location are advised to allow at least two hours for the experience, with guests free to explore at their own pace.
This reflects a wider trend of expanding Halloween experiences, with theme park operators investing in major horror brands, immersive experiences and more extreme attractions to drive seasonal attendance.
Universal Studios Japan is introducing its first-ever 18+ Halloween Horror Nights attraction, for example.
