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London Hackathons
London's upcoming hackathons, checked every morning against each organiser's page. Follow to get new ones. By Ramen Space.
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Upcoming
Past
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Built in London with Google DeepMind
By Vercel Events & Google DeepMind
London, United Kingdom
Sold Out
Dev Grind
By Vasily Alekseenko
The Ministry, Borough | Workspace & Members' Club | South London
Assay-A-Thon | Building an Experimental Validation Toolkit for AI-Enabled Discovery
By nile verleur, Inga Van den Bossche, Alex Ainscough & Anjali Chadha
London, United Kingdom
Sold Out
+41
AI Agents for Accessibility Hackathon
By Tigmanshu Bhatnagar, Maryam Bandukda & Danyun
London, United Kingdom
Waitlist
House London! #3 | Data Hackathon
By Jam Coombes
Newspeak House
+297
Document Automation Hackathon Nov 9th 2026
Accenture
Build your content-led GTM motion: Hackathon
By Alex, Encode Club, fernando cao, Claudia Maggi & 4 others
Encode Hub
HOPE HACK
Youthbuild Ventures UK
Agentic Web - Build Night
By Gamal Mubarak, Carla Griffiths, Parallel Web Systems & incident.io 🔥
London, United Kingdom
Near Capacity
+94
One-Shot: Prompt Competition w/ Tiiny Host 👇
By Charlie Ward & Elston
Ramen Space
+86
Data & AI Buildathon: Think, Collaborate, Create
Corgi Cafe
Coffee & Build | Mobile App Hackathon
By Mélissa Chan-Cheape, Samuel Klacman (bilt.me) & Claudia Maggi
Corgi Cafe
TamilHack - PARAI x TILE
By Harishan Ganeshan
London, United Kingdom
+26
Imperial AI Hackathon
By Imperial AI
Imperial College London, South Kensington Campus
+246
Side Project Saturday
By Abhyuday Luthra, Adlee H, Dillon Roberts & Encode Club
Encode Hub
+32
Campaign Lab Autumn Hack Night!
By Noam
Newspeak House
+9
GTM Hackathon by Granola x Gemini
By Camilla Bier, Ryan Francis, Google DeepMind & Michael Carney
London, United Kingdom
Mobile App Hackathon Night by Bilt.me
By Samuel Klacman (bilt.me), Charlie Ward, Mélissa Chan-Cheape, Joséphine Parquet & 1 other
Ramen Space
+33
Claude x Softr Build Sprint in London: Build Your Ops App in 60 Minutes
By Francisco Opazo & Ana Cassaniga Simmons
London, United Kingdom
+29
Superagents Build Night with Base44
By Encode Club & Base44
Encode Hub
