Past challenges
Develop solutions that will help unleash the entrepreneurial spirit of London's market traders
Develop a solution that utilises data to help reduce vulnerable residents' exposure to air pollution
Develop solutions that help organisations make freight journeys smarter and greener.
Develop solutions that leverage health and travel data to increase confidence and enable a safe re-opening of London.
How can we use technology to stop the spread of terrorist and violent extremist material online and make London safer?
Develop solutions that use data to activate vacant properties on high streets and support London’s recovery from COVID.
Develop solutions that will use the water area for renewable energy production.
Develop solutions that utilise data and technology to help facilitate better pay and better work for gig economy workers
Create solutions that will help local businesses to access and occupy affordable new space.
Develop solutions that help tackle food insecurity across London’s local communities.
Develop solutions to improve bereavement support services for communities disproportionately impacted by COVID-19.
How could innovation help to make the way goods and services move around London safer, cleaner and more efficient?
Making London the most socially-integrated city in the world.
Ensuring all Londoners can manage their money well.
Ensuring dementia care works for all.
How can we use data and technology to democratise planning, and tackle the housing crisis facing Londoners?
We're calling for innovators to help us find new ways to measure civic and community strength in London.
The Mayor's £500,000 open innovation programme to support London's recovery from the pandemic.
Do you have ideas that could help solve city challenges? Find out how you can get involved with Challenge LDN Predictive Analytics for Infrastructure Planning.