CLOxford Blockchain Society
Cantor8 London Hackathon
29 Aug 2026 · London
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32 upcoming
Hackathon London
32 upcoming hackathons in London
They run from August through to October 2026. Recurring themes include AI, Housing and Urban Planning. Organisers listing here include Oxford Blockchain Society, Girls Who AI × BuildHer Labs and Jam Coombes. Dates, prizes and registration links on every listing, updated daily.
upcoming hackathons
GWGirls Who AI × BuildHer Labs
GIRLS WHO AI X BUILDHER LABS PRESENT: BEAUTY DECODED // ALL FEMALE HACKATHON
29 Aug 2026 · London
PRIZE£35,000 pool
HLJam Coombes
House London #1 | Data Hackathon
29 Aug 2026 · London
RHTAG
The Running Hackathon
29 Aug 2026 · London
HTLondon Interface for AI Safety
Hackathon | Translating AI Safety (Content x Comms)
30 Aug 2026 · London
PRIZE£500 pool
HHGranola
Hardware Hack Day
30 Aug 2026 · London
FNFuckup Nights London
Fuckup Nights London #10: Hackathon
2 Sep 2026 · London
ABViso Now
AI Builders Program | Apply to Join | The AI Vision Challenge
3 Sep 2026 · London
UPEasyA
UK Parliament Hackathon with EasyA
4 Sep 2026 · London
RPEncode Club
Rebuild Private Markets: The Ylookup x Encode AI Hackathon
5-6 Sep 2026 · London
PRIZE$2,000
FFenki events
The Future of Finance Hackathon
11 Sep 2026 · London
AHAnima x OpenAI
AI Healthcare Hackathon with Anima x OpenAI
12 Sep 2026 · London
PRIZE£15,000
CTnotanother.pizza
Community Tooling Hack Day #2
12 Sep 2026 · London
LGGeneralist World - Events
📍London 🌀 Generalist World Hackathon
12 Sep 2026 · London
GPGirlsWhoML
GirlsWhoML & PhysicsX Hackathon
15 Sep 2026 · London
TPTalent ~ People
Talent~People Hackathon: Dragons Den Edition
16 Sep 2026 · London
WCNeighbourhood Heart
What Could We Make Happen in our Neighbourhood?
17 Sep 2026 · London
ASAdeline Events
Adeline Sprint Sessions: Health x AI After Hours
18 Sep 2026 · London
PRIZE£13,000 pool
LBBincom Dev Center
London Bincom hackathon physical kick off
18 Sep 2026 · London
ZSZaro.ai
Zaro's BizOps Hackathon @ AWS
18 Sep 2026 · London
COEvent
Customer Onboarding Hackathon
19 Sep 2026 · London
SDVerverica
Streaming Data Hackathon For Financial Services
23 Sep 2026 · London
TSTenzo
Tenzo's AI Buildathon
23 Sep 2026 · London
HLHouse London!
House London #2 | Data Hackathon
26 Sep 2026 · London
MOMatrix OS
Matrix OS Hackathon London
26 Sep 2026 · London
BTHector Laine
Back To Uni Canva x Lovable Hackathon
3 Oct 2026 · London
CSReactVision
Ctrl+Space Hackathon -London
8 Oct 2026 · London
FUFaithTech
FaithTech UK BUILD 2026 - Tickets
9-10 Oct 2026 · London
CHCampaign Lab
Chat Hackers - Hack Day
17 Oct 2026 · London
UNTayyeb
Unihackathon
17 Oct 2026 · London
ELEncode Club
Encode London Hackathon and Conference
23-25 Oct 2026 · London
LXWomen Who Build 🪄
Lovable x WWB 🪄 Hackathon
24-25 Oct 2026 · London