Balbriggan is at the northern edge of Fingal and functions as a Dublin commuter town, so the sporting identity is largely Dublin's. Dublin GAA at Croke Park, the Dublin clubs in the League of Ireland, and very heavy Premier League following across the board. The town has grown quickly and has a young, busy household profile, which matters more for streaming than any of the sport does. In a house where several people are online at once through the evening, the useful test is not peak speed but whether the match still holds together while everyone else is doing their own thing. North Dublin fibre coverage is strong, so the line is rarely the limiting factor.
Balbriggan sits at the northern edge of Fingal, with strong fibre coverage across the town and out towards Skerries, Rush and Lusk. The town has grown very quickly, the housing is predominantly newer estates and the household profile is young and busy, with a substantially more internationally mixed population than most towns of its size. Both of those things matter. A young, busy house means several people streaming concurrently through the evening, so the useful test is whether the live picture survives that rather than what the line does when idle. A mixed population means demand for channels from elsewhere, which is worth checking specifically rather than assuming, because it is the gap conventional packages most reliably leave.