The money will be spent this year on refurbishing and enhancing key parts of the main terminal building including international arrivals.

The accelerated investment is on top of an already planned £7m programme.

A significant proportion of the money will also be targeted on the airfield to ensure a smooth and efficient operation and state-of-the-art energy efficient LED lighting will be installed in the airport’s taxiways.

Amanda McMillan, managing director of Glasgow Airport, said: “The eyes of the world will fall on Glasgow during 2014 and we fully recognise the important role we have to play in helping deliver a successful and memorable Commonwealth Games.

“We see ourselves as being the gateway to the Games and not only will this significant investment ensure we continue to provide high quality facilities for passengers, it will help create a lasting legacy for Glasgow Airport and the city.”

Detailed planning will being carried out between now and May with the main works programme starting in October.