He bought the property for £580,000 23 years ago.
Michael O'Leary wants to make his mansion even bigger.
The Ryanair boss is applying to Westmeath County Council to extend his office and dressing room at Gigginstown House, north of Mullingar.
He purchased the Georgian property on 1,000 acres in 1998 for £580,000 and has spent millions renovating it ever since.
Mr O'Leary is making the application for a fresh extension through a holding company and a decision is due within days.
Almost €446,000 Allocated To Midlands Community Centres And Clubhouses
Ballinahown Community Hall received the highest amount in Westmeath.
Two People Killed In Offaly Following Fatal Crash
One person has been killed in the collision.
Midlands Family Takes On Ireland’s Fittest Family Challenge
The series continues this weekend.
5K Fundraiser To Support Motor Neurone Disease Association Takes Place In Westmeath
The event is taking place tomorrow.
No Slowing Down With Age As Westmeath Bowlers Shine At 14th Annual National Bowls Competition
Woman Appears In Court Over €280k Cannabis Seizure In Midlands
20kg of cannabis was discovered in the vehicle on the M7 in Portlaoise.
Status Yellow Fog Warning Issued For Leinster, Munster And Galway
The warning will come into affect tomorrow morning.
Call For More Public Toilets Across The Midlands And Beyond
Nearly 900 public toilet facilities are located throughout the country.
