



ElevenLabs × LFH Build Weekend (powered by Bolt.new’s $1M Hackathon)
Overview
The world’s largest hackathon lands in London this June - and you’re invited to join us for a full weekend of building. Apply now to secure your spot alongside a carefully selected group of builders.
Places are limited. Each application is reviewed individually so that we can bring together the strongest builders.
In partnership with Bolt.new, ElevenLabs is putting over $1 million in prizes on the table.
Main track (eligible for $25,000 prize + more)
Winners announced July 26th
ElevenLabs Voice Challenge: Use ElevenLabs to make your Bolt.new app conversational.
You must register here to be eligible for the $1M prize pool.
Sub tracks
Winners announced at the event
Omi Flow State Challenge: Use an Omi to build something that hacks the brain, boosts focus, track mental state, or unlocks flow in weird and wonderful ways.
Gen Z Insight Challenge: Gen Z insights are hard to capture, attention spans are short and incentives limit who responds. Create a tool, game, or experience that meets them where they are and encourages genuine engagement in new, meaningful ways.
Prizes
Winners announced at the event
1-Month Residency at London Founder House
Omi’s
Rayban Glasses
AI Lamp
UltraHuman Ring
Polo Day Experience
Details
We’ll kick things off with a keynote from ElevenLabs.
We’ve got talks and workshops lined up from some of the best: YC founders, Forbes 30U30, EF, EWOR and more.
Food: Breakfast, lunch and dinner on Saturday, breakfast and lunch on Sunday, and we’ll wrap with a celebratory rooftop BBQ.
Full schedule released to registered attendees.
Who Should Apply
Founders. Builders. Operators. Creators. Anyone with the drive to build something bold and the nerve to see it through.
What to Bring
Your laptop and charger
Any extra hardware you need
About us
ElevenLabs is an AI audio research and deployment company. Our language models and products power millions of developers, creators, and businesses. From low-latency conversational AI agents to the leading AI language generator for voiceovers and audiobooks.
Bolt.new is an AI-powered development platform designed to help teams ship products at speed. Redefining the future of software, making it possible for anyone, anywhere, to bring bold ideas to life.
The London Founder House (LFH) is one of the UKs first Hacker Houses. It's a residency and community to the top 1% of tech founders in the UK. Home to founders from Y-Combinator, Forbes 30 Under 30, Sigma Squared, Entrepreneur First (EF), Founders Capital, exited founders + more. The LFH is where you’ll find those building Europe’s next unicorns.
Dawn is Europe’s leading specialist B2B software investor, with total commitments of $2bn. Dawn partners with founders building the next generation of global software leaders, supporting them to harness extraordinary teams, exceptional technology and scalable business models to create category-defining global companies.
Kantar
Kantar is one of the world’s leading data, insights, and consulting companies - trusted by global brands to understand people and predict what’s next. From market research to brand strategy, Kantar helps businesses turn data into bold decisions. With a presence in over 90 markets, they shape how the world sees consumers.
Omi
Omi is building the future of human potential - starting with your brain. Their wearable neurotech tracks and trains your cognitive state in real time, helping you enter flow faster, focus deeper, and recover smarter. It’s like a fitness tracker, but for your mind.
Want to sponsor the event? Please email: mofi@londonfounderhouse.com
Registration closes Friday 27th June at noon.
