Castle L4
NeighbourhoodNorth Belfast. 375 people in 0.1 square kilometres.
Gigabit coverage by neighbourhood
Connected Nations (Ofcom) · January 2026
In Castle L4, 98.4% of homes and businesses could get gigabit-capable broadband in January 2026.
Northern Ireland Multiple Deprivation Measure 2017 is published for the Super Output Areas (2001), whose boundaries differ from this neighbourhood’s, so it has no figure for Castle L4. See deprivation across Belfast
How Castle L4 compares
Each dot is a neighbourhood. The black line marks the middle one.
Figures for the whole of Belfast
These figures are published for the whole of Belfast, not for each neighbourhood, so they describe all of Belfast and not Castle L4 alone. See Belfast
Castle L4 in brief
Castle L4 had 376 usual residents at the census.
In Castle L4, 98.4% of homes and businesses could get gigabit-capable broadband in January 2026.
65.2% of residents in Castle L4 were aged 15 to 64 at the census.
18.1% of residents in Castle L4 were aged 65 or over at the census.