Heathrow says expansion is "urgent" for UK growth, but plans are heavily criticised over environmental concerns.

The airport is seeking permission to open a new 3,500-metre runway to the north-west of its existing location

Britain's biggest airport believes the project, including terminals and infrastructure, can be built within a decade at a cost of around £49 billion.

Heathrow says expansion is "urgent" for UK growth, but plans are heavily criticised over environmental concerns.

The plan involves a 3,500-metre runway, as well as building a new terminal, upgrading current facilities.

Plans submitted as big infrastructure projects form heart of UK government’s strategy to kickstart economic growth

Expansion at Europe’s busiest airport has long been mooted, but has proved contentious. Now Sir Keir Starmer is backing the plan again

IAG warns price paid per passenger could double under airport’s plans to invest almost £50bn in expansion

Government says expanding Europe’s largest airport could create 100,000 jobs and drive growth