What this place feels like
Strongly adventurous with very trendy, very social, very urban character.
Dive into the thrilling world of espionage at Si5 Spy Missions, an immersive, interactive spy-themed adventure located in the heart of Chelmsford, England. This dark, high-tech setting simulates secret agent missions, complete with cryptic digital displays and mysterious gadgets that put your stealth and wits to the ultimate test. Perfect for adrenaline seekers and puzzle lovers alike, the experience pulses with intrigue and suspense as you navigate through the covert operations alongside fellow agents. Feel the excitement build in the dimly lit control room ambiance while decoding complex data and working as a team to crack the mission — an unforgettable escapade for thrill-seekers craving a taste of real-life spy drama.
All year round - indoor activity ideal for any weather
Find tours on ViatorMost videos filmed Sep during autumn. July is moderate - a good balance of visitors and space.
Frequently asked questions
All year round - indoor activity ideal for any weather
1 to 2 hours
Comfortable casual wear, Closed-toe shoes, Charged phone or camera for photos, and Pre-booking recommended
Families, Adventurers, Group Travelers, Puzzle Enthusiasts, and Team Players
The nearest major airport is London Stansted Airport (STN), approximately 30 minutes by car from Chelmsford.
Stay in Chelmsford's cozy hotels or charming guesthouses, close to the city center and local amenities.Book a stay →
Explore Chelmsford’s historic sites, enjoy river walks along the Chelmer and Can tributaries, or visit nearby nature reserves.Book a tour →
$25-$50
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One of 56 clips our travelers have filmed in Chelmsford