A whole village of Halloween adventure is waiting! Meet curious characters, collect sweets, hunt for clues, enjoy live entertainment and discover spooky-not-scary surprises around every corner.
This isn’t your average Halloween event, here's what you'll discover... 🔎🎃
And the best bit? It’s ALL included in your Trick or Treat Street visit!
24th - 31st October*, 11:00 - 20:00
*Closed Monday 26th October
Step into a real-life family whodunnit, where live performances, suspicious suspects and unexpected twists put YOU right in the middle of the mystery. Keep your eyes peeled, follow the story and see if your family can solve the case!
Step through the gates and into a whole village taken over by Halloween! Think glowing lights, autumn evenings, crackling firepits, live characters and frightfully good family fun at every turn. Come for the mystery… stay for the spook-tacular atmosphere!
Take a break from detective duties and sink your fangs into something delicious! Grab tasty street food, warm up with seasonal treats or head to the bar for a well-earned drink for the grown-ups.
*Food and drink are available to purchase separately throughout your visit.
Calling all little monsters! Hit the dance floor at the Monster Disco, show us your best monster moves and dance along to tunes from our live DJ.
Something strange is buried beneath Denville Cemetery. Grab your tools, get digging and see what you can unearth in our Boneyard Dig activity.
Wander your way through the maze, twisting and turning as you discover spooky surprises and unexpected moments along the way. Keep your eyes peeled, you never know what might be waiting around the next corner!
Ready for a little extra thrill? Jump aboard our fairground rides and add even more twists, turns and family fun to your Halloween adventure.
*Fairground rides are available at an additional cost.
Have you got what it takes to push the Boo-omitor to the MAX?
Step into Ghoul School and put your spookiest skills to the test! Make some noise, unleash your biggest BOO and see if you can send the Boo-omitor flying all the way to the top. Will you graduate as a fully qualified little ghoul?
Dust off the capes, straighten those witch hats and bring your Halloween A-game! Come dressed in your best costume and enter our Fancy Dress Competition, there are fang-tastic prizes waiting to be won.
BUY TICKETSTrick or Treat Street is a spooky-not-scary, immersive family Halloween experience where you become part of the adventure!
Step into the village of Denville, meet the characters and work together to crack a Halloween whodunnit.
Trick or Treat Street runs from 24th–31st October 2026, excluding Monday 26th October, when the event is closed.
The event is open 11am–8pm on all event days. When booking, you’ll choose a specific time for your mystery-solving session.
Tickets are £21.95 for adults and £24.95 for children + 75p booking fee per ticket.
Your ticket includes the live Halloween whodunnit, trick-or-treating, Monster Disco, Boneyard Dig, The Maze, Ghoul School, Stained Glass Window Workshop, Fancy Dress Competition and even more spooky-not-scary fun.
There’ll be street food, drinks and Halloween treats available to buy at an additional cost throughout your visit. Fairground rides are also available at an additional cost.
Yes. When booking your tickets, you’ll choose a specific time to take part in the Halloween mystery.
Sessions are available at 11:30am, 11:45am, 12pm, 12:15pm, 12:30pm, 2:30pm, 2:45pm, 3pm, 3:15pm, 5:30pm, 5:45pm, 6pm, 6:15pm and 6:30pm.
Absolutely. Trick or Treat Street is designed for families and is spooky, not scary, making it suitable for children who enjoy Halloween fun without frightening scares.
It's proudly created by the William's Den team, but it's a separate ticketed Halloween experience with its own story, characters and magical adventure.
No. Your Trick or Treat Street ticket is for the Halloween experience only. Created by the team behind William's Den, Trick or Treat Street is a separate outdoor event. William's Den Adventure Play will be open during the event between 10am-2pm and requires its own admission ticket.
Yes. William's Den Adventure Play is open during Trick or Treat Street, and many families choose to enjoy both experiences in one day. Separate tickets are required for each. Adventure play at William's Den is open 10am-2pm from 24th - 31st October 2026.
Yes. Trick or Treat Street is an outdoor Halloween adventure, so please dress for the weather and wear suitable footwear.
The mystery-solving experience lasts around 45 minutes to 1 hour, but we recommend allowing 3-4 hours for your visit so you have plenty of time to explore Denville, enjoy the activities, entertainment and Halloween atmosphere.
Your booked session time is just for the mystery, you’re welcome to enjoy the event before and after your session during event opening hours - 11am-8pm.
Yes. Loo facilities are available throughout the event, including one accessible loo and baby changing facilities.
Plans can change, and that's okay. If the weather isn't looking its best or something unexpected comes up, there's no need to worry. For a small administration fee, you can move your booking to another available date or time, so you won't miss out on the magic of Trick or Treat Street. Book with confidence, knowing your family's Halloween adventure is protected.
Not at all! Fancy dress is completely optional, but we absolutely encourage it! Come in your best Halloween costume and you can even take part in our Fancy Dress Competition.
The event takes place at Castle Farm Yorkshire, just a short walk from William’s Den. Castle Farm, Brough HU15 2LS.
Yes! Car parking is completely free.
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