Plans to build a second runway at London’s Gatwick airport have finally got the green light after a decision was delayed in February.

Heidi Alexander, transport secretary, approved the scheme with conditions on noise abatement and public transport provision.

Gatwick Airport said the project is privately financed, requiring no taxpayer money, and is shovel-ready.

The proposed plans would involve shifting the airport’s emergency northern runway sideways by 12m and upgrading it for regular short-haul use.

This change would allow for simultaneous operations on both runways while ensuring compliance with international safety standards.

Other aspects of the proposal include new buildings and extensions at both North and South Terminals.

Plans also include enhancements to airport access, improvements to surrounding highways, and additional environmental mitigation measures.

Up to 3,200 workers will be on site at peak construction.