The area is currently being used for TV broadcasting during the Fleadh. Beyond that, there are no confirmed plans for the area, although there is a desire to have it used as a public space.

https://www.independent.ie/regionals/wexford/wexford-district/wexford-site-is-ready-for-tg4-broadcasts-but-post-fleadh-future-is-uncertain/a328792102.html

What I could do is to tag it as brownfield after the Fleadh if the area is closed off afterwards?