Dublin Airport Authority (daa) has submitted plans to Fingal County Council to upgrade the airport’s Terminal 1 (T1).

The plan includes replacing the core façade and roof of the terminal with an energy efficient structure, as well as the antiquated concrete fins with a combination of glass and solid panels.

The refurbishment will provide a fresh look to the terminal, which first opened in 1972.

In addition, daa intends to rehabilitate the top two floors of T1. Originally designed as a multi-storey car park, these sections are currently used as offices, plant rooms and for some staff parking.

Dublin Airport managing director Vincent Harrison said: “Terminal 1 has been at the heart of Dublin Airport since 1972 and has welcomed more than 450 million passengers during 48 years of use. These works are part of an overall programme to ensure that T1 can continue to successfully serve Ireland for many decades to come.

“While passenger traffic had been hit by the impact of Covid-19, as custodians of Dublin Airport on behalf of the State, daa must always take a prudent long-term view in relation to managing the facility.

“As certain elements of T1 are approaching the end of their life, it makes sense to seek planning permission now for these works, which will be carried out over the coming years.”

In recent years, major upgrades were carried out at the departure and arrival sections of T1.

Last year, the terminal handled more than 20 million passengers.

As an airport company, daa operates Dublin and Cork airports in Ireland. It also has some international airport operations.

Dublin Airport registered an 85% year-on-year fall in passenger traffic in August due to the Covid-19 crisis.