Property developers are selling the land that thousands of homes are built on, without the knowledge of the people who bought those houses.

This process is legal and makes property developers millions of pounds each year, but leaves the homeowners in an uncertain position.

James Longman reports for the Victoria Derbyshire programme.

Watch the full report on leasehold contracts here.

The Victoria Derbyshire programme is broadcast on weekdays between 09:00 and 11:00 on BBC Two and the BBC News channel.