Firefighters from across County Wexford battled four separate fires overnight.
The most serious blaze was at Carley's Bridge in Enniscorthy where damage estimated at several million euro was caused at a furniture warehouse.
The cause of the fire is not yet known.
A Garda technical examination is being carried out at the site.
Three other smaller fires were extinguished at a rugby club in Enniscorthy, a house in Wexford Town, and a car park in Ballymurn.