Associated Newspapers is to launch a free afternoon paper called London Lite next month.
It will be available throughout London each weekday from noon, with a circulation of 350,000-400,000.
It will be handed out in Zone 1 through merchandisers and vendors.
Standard Lite, the free lunchtime edition of the Evening Standard, will be discontinued.
The Evening Standard will continue to be sold with changes to edition times.
The Standard will also relaunch its This Is London website.
London Lite will be a rival to News International freesheet The London Paper.