For their 30th birthday, London City airport has unveiled artists predictions of what the new £400m expansion will look like.

The project was given the go ahead last July and involves a terminal and runway extension, to deal with the increased volume of passengers which is projected to be more than two million per year by 2025. In 2016 the airport reached a record 4.6 million passengers.

It will also be building the UK’s first digital air traffic control tower which will start operation In 2019. The terminal and runway extension will allow for an extra 30,000 flights per year and earn an extra £750m for the UK economy.

The new terminal project will increase its size by 40,000sqm and will begin work in 2018, London City airport also opened a free viewing on Jubilee Walk in Canary Wharf to display seven new CGI images of the development. There will also be more pictures to show the changes in the airport since it first opened in 1987, this viewing will close on November 7th.

The airports chief, Declan Collier said the airport had “become an intrinsic part of London’s transport system”.

“As we celebrate this anniversary, we look to a bright future ahead and the world-class transformation which is soon to commence,” he said.