Castle U4
NeighbourhoodNorth Belfast. 512 people (mid-2024 estimate) in 0.1 square kilometres.
Gigabit coverage by neighbourhood
Connected Nations (Ofcom) · January 2026
In Castle U4, 98.1% 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 U4. See deprivation across Belfast
How Castle U4 compares
Each dot is a neighbourhood. The black line marks the middle one.
Is Castle U4 safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Castle U4 at a rate of 113.3 per 1,000 people.
That compares with 127.7 per 1,000 people across Castle U.
Across Northern Ireland as a whole, the recorded crime rate was 70.2 per 1,000 people.
In August 2026 alone, 3 cases of crime and anti-social behaviour were recorded in Castle U4.
In the 12 months to August 2026, the most common types were anti-social behaviour (15), violence and sexual offences (15) and other crime (11).
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.
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 U4 alone. See Belfast
Castle U4 in brief
Castle U4 had 467 usual residents at the census.
In Castle U4, 98.1% of homes and businesses could get gigabit-capable broadband in January 2026.
63.0% of residents in Castle U4 were aged 15 to 64 at the census.
11.2% of residents in Castle U4 were aged 65 or over at the census.