Upcoming hackathons in London for the next 90 days, verified and updated every morning.
Next 90 days
Showing 44 of 44 upcoming hackathonsRefreshed daily
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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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Game Jam: Between Seasons
Kingston University Penrhyn Road Campus
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MAKE ME MONEY: AI Agent Hackathon
London · Location shared after registration
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Twilio Assemble London: The Future of Comms + AI
London · Location shared after registration
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Biocomputing Hack
London · Location shared after registration
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HACKATHON - Agent Eval Harness
230 Blackfriars Rd
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Claude Cybersecurity Workshop | London Hackathon
39th Floor, One Canada Square, Canary Wharf Estate, London E14 5AB
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AI Agents for Accessibility Hackathon
London · Location shared after registration
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Search Party - Build Night
London · Location shared after registration
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TamilHack - PARAI x TILE
London · Location shared after registration
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GTM Hackathon by Granola x Gemini
London · Location shared after registration
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Claude x Softr Build Sprint in London: Build Your Ops App in 60 Minutes
London · Location shared after registration
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AI Hackathon
Bayes Business School - Finsbury Square Building
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HACKCEPTION: A hack within a hack 🌀
London · Location shared after registration
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SoTA Scientific Parallelism Hackathon | With Callosum, Inherent, ARIA + Fractile
London · Location shared after registration
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AI Pilled [Beginner] #01
London · Location shared after registration
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Open Code #22
London · Location shared after registration
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Mosque & Madrassah Hackathon 2026
London · Location shared after registration
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Imperial BioHack x Anthropic
City & Guilds Building
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#GreHacks OFCOM Application
Greenwich University Stockwell Street Building
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Ripple x Lovable: Build for a Stranger
London · Location shared after registration
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.