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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
Events
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They will show up on the schedule once approved
TamilHack - PARAI x TILE
By Harishan Ganeshan
London, United Kingdom
AI
Near Capacity
+56
Imperial AI Hackathon
By Imperial AI
Imperial College London, South Kensington Campus
AI
Sold Out
+495
Side Project Saturday
By Abhyuday Luthra, Adlee H, Dillon Roberts & Encode Club
Encode Hub
Coworking
+62
QuantMinds Hackathon — AI Safety and Security (apply to attend)
By QuantMinds International / CompatibL
InterContinental London – The O2, 1 Waterview Drive, London SE10 0TW
AI
Build Session
Campaign Lab Autumn Hack Night!
By Noam
Newspeak House
Build Session
Social Impact
+38
GTM Hackathon by Granola x Gemini
By Camilla Bier, Ryan Francis, Google DeepMind & Michael Carney
London, United Kingdom
AI
Founders
Near Capacity
PaperJam Game Jam: 1 in 8 Billion
By Edward Saperia & William Wong
Newspeak House
Build Session
Games
Near Capacity
Canary Wharf All In Hackathon
By Bethany Matthews & Natalie Marcus
Level39
+10
ARC Computing Club — 18 Nov (UCL students only)
By UCL Advanced Research Computing
Room 1.20, Malet Place Engineering Building, Gower Street, London WC1E 6BT
Build Session
Data & Science
Mobile App Hackathon Night by Bilt.me
By Samuel Klacman (bilt.me), Charlie Ward, Mélissa Chan-Cheape, Joséphine Parquet & 2 others
Ramen Space
Build Session
Mobile
+92
Jev Mini Hackathon
By Founders and Coders
27 Dingley Pl
AI
Build Session
+27
Claude x Softr Build Sprint in London: Build Your Ops App in 60 Minutes
By Francisco Opazo & Ana Cassaniga Simmons
London, United Kingdom
AI
Build Session
+59
Superagents Build Night with Base44
By Encode Club & Base44
Encode Hub
AI
Build Session
Personal Agent Hackathon: Pippa Labs
By Imperial FinTech & Blockchain, Jessie Gao, Carl Coddington, May & 1 other
South Kensington
AI
Build Session
Le Chonk in London - Mistral Vibe Hackathon
By Mistral
Fora - Chancery House
AI
AI Hackathon
By CityVentures
Bayes Business School - Finsbury Square Building
AI
+237
Hack for Impact
By Aras Aksoy
City & Guilds Building
Build Session
Social Impact
+42
FirstYearHack 2026
By KCL Tech Events, Haleema Mohammed & Waseef Khan
Bush House
Waitlist
SoTA Scientific Parallelism Hackathon | With Callosum, Inherent, ARIA + Fractile
By Jamie, Society for Technological Advancement & Matvey Boguslavskiy
London, United Kingdom
AI
Data & Science
£25
5-Hour Vibecoding Penthouse Game Jam #2
By BioCraftEd
SE10 0GX
Games
Near Capacity
+8
