Upcoming hackathons in London for the next 90 days, verified and updated every morning.
Next 90 days
Showing 24 of 24 upcoming hackathonsRefreshed daily
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Robomasters Hackathon
3 Imperial Rd
Registration closed
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Lovable Buildathon with YFL & Imperial Entrepreneurs
London · Location shared after registration
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Hack for Humanity : London (w/ The AI Collective)
Corgi Cafe
Waitlist only
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AIDevCamp 2026 Agentic Hackathon | GDG London
Encode Hub
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TS26 x Whimsi x Lovable: Haunted Hack
London · Location shared after registration
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DevDay Community Hackathon: London
London · Location shared after registration
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Future Founders Lab: Kingston University x Culture Curated
London · Location shared after registration
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Campaign Lab Autumn Hack Night!
Newspeak House
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Build Beyond the Demo: Lovable + Go-to-Market
Smart & Smart Pension
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HACKATHON - Agent Eval Harness
230 Blackfriars Rd
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House London #3 | Data Hackathon
Newspeak House
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CodingAt Dragon Hall
Dragon Hall Tech Hub
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Campaign Lab Autumn Hack Night!
Newspeak House
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Mobile App Hackathon Night by Bilt.me
Ramen Space
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AI Hackathon
Bayes Business School - Finsbury Square Building
Starts Ends
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AI Pilled [Beginner] #01
London · Location shared after registration
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One Prompt Hackathon With Lovable And YFL
Kindling with Oneder
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SpaceX Hackathon
Imperial College London
Registration not yet open
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Consumer AI Hackathon: Ship an App People Love in a Day
Encode Hub
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Campaign Lab Autumn Hack Night!
Newspeak House
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Maritime Hackathon
SafetyTech Academy
Registration closed
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Wellness Hackathon: Build AI That Makes People Feel Better
Encode Hub
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Campaign Lab Winter Hack Night!
Newspeak House
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Campaign Lab Winter Hack Night!
Newspeak House
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View event (opens in a new tab)
No verified hackathons or project-building sessions in London for the next 90 days. Check back soon.
FAQs
How is this list made?
Each morning we look for new London events and check each one on its Luma, Eventbrite or Meetup page. Dates, times and venues come from that page.
What counts as a hackathon?
Events where people build something: hackathons, buildathons and hack nights. Talks, networking-only events, training, online-only and cancelled events are left out. More in what is a hackathon?
I’m new to hackathons. Where do I start?
Our guide for beginners covers what happens, how to prepare and how to pick your first event. A hack night or one-day event is a good start.
Is it free?
Yes. The list and the weekly email are free. Some events charge for tickets, and the event page will say.
How do I add my hackathon?
Send us the link in the chat.
Who runs London Hackathons?
Ramen Club, which also runs Ramen Space (opens in a new tab), a founder coworking space in Dalston that runs hackathons.