A person may appeal against the decision of the Planning Authority if
(a) they have lodged an objection to the Planning Authority on a planning application or
(b) they have been granted leave to appeal by An Bord Pleanála.
Every appeal must be made in writing and sent by post to The Secretary, An Bord Pleanála, 64 Marlborough Street, Dublin 1.
The appeal must be lodged within 4 weeks of the date of the decision and must be accompanied by the appropriate fee. Legal proceedings challenging the validity of a decision must be made by way of judicial review within two months of the date on which a decision is given.
You can find more information on making on appeal on here.
Leave to Appeal
A person with an interest in land (e.g. a landowner/occupier)adjoining the application site may apply to the Board for leave to appeal the decision of the planning authority without having made submissions or observations to the planning authority.