An Bord Pleanála has granted planning permission for a €100m office development in spite of the Kilkenny Group warning that the proposal will result in "serious consequences" and job losses for its flagship store in Dublin.

Reorganisation costs of over €510,000 at the family-owned business the Kilkenny Group last year helped cut pre-tax profits by 25%.

The Kilkenny Group, a luxury goods and retailing business, the Kilkenny Group has warned that a planned €100m office development, backed by beef baron Larry Goodman, will result in “serious consequences” and job losses for its flagship store in Dublin.

A bitter dispute between a son and his mother concerning ownership of the Kilkenny group of luxury design retail stores, employing 300 people, has come before the Commercial Court.