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Castle L

Middle area

North Belfast. 2,070 people (mid-2024 estimate) in 0.3 square kilometres.

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Radon Affected Area by middle area

Worked out by Open Index · 2022

Under 1%90% or more

About 0% of people in Castle L live in a 1 km square that the radon atlas marks as a radon Affected Area.

Population
2,040
333rd least populated of 9,448
ONS Census 2021 · 2021
People in radon Affected Area squares
0%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
97.4%
UK 87.8%
Ofcom · Jan 2026
Claimant rate
4.7%
UK 3.9%
ONS via Nomis · Aug 2026

Recorded crime in Castle L

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Castle L at a rate of 151.2 per 1,000 people.

That compares with 128.5 per 1,000 people across Belfast.

Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.

Recorded by police, 12 months to August 2026
Kind of crimeRecorded
Violence and sexual offences103
Anti-social behaviour95
Shoplifting28
Other crime27
Criminal damage and arson21
Drug offences17
Burglary10
Vehicle crime8
Robbery4
Theft from the person0

Source: police.uk, 12 months to August 2026

How Castle L compares

Each dot is a middle area. The black line marks the middle one.

Castle LMiddle
Population175 middle areas, Belfast · 2021
Population: every middle area in Belfast175 areas from 1,096 to 3,639. The middle area is 1,929. Castle L is 2,040.
2,04072nd most populated
People in radon Affected Area squares175 middle areas, Belfast · 2022
People in radon Affected Area squares: every middle area in Belfast175 areas from 0.0% to 100.0%. The middle area is 0.0%. Castle L is 0.0%.
0%joint fewest people in radon Affected Areas
Gigabit broadband coverage175 middle areas, Belfast · Jan 2026
Gigabit broadband coverage: every middle area in Belfast175 areas from 70.4% to 100.0%. The middle area is 98.0%. Castle L is 97.4%.
97.4%joint 76th lowest
Claimant rate175 middle areas, Belfast · Aug 2026
Claimant rate: every middle area in Belfast175 areas from 0.3% to 9.1%. The middle area is 3.9%. Castle L is 4.7%.
4.7%62nd highest

Is Castle L safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Castle L at a rate of 151.2 per 1,000 people.

That compares with 128.5 per 1,000 people across Belfast.

Across Northern Ireland as a whole, the recorded crime rate was 70.2 per 1,000 people.

In August 2026 alone, 33 cases of crime and anti-social behaviour were recorded in Castle L.

In the 12 months to August 2026, the most common types were violence and sexual offences (103), anti-social behaviour (95) and shoplifting (28).

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 middle area, so they describe all of Belfast and not Castle L alone. See Belfast

Average house price
£184,768
Up 7.7% in a year
HM Land Registry · Jul 2026
Population estimate
351,927
Down 0.1% in a year
ONS population estimates · 2025
Female life expectancy
80.5years
UK 83.0 years
ONS life expectancy · 2022 to 2024
Full-fibre broadband coverage
92.3%
UK 81.0%
Ofcom · Jan 2026
Castle L in brief

Castle L had 2,040 usual residents at the census.

About 0% of people in Castle L live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Castle L, 97.4% of homes and businesses could get gigabit-capable broadband in January 2026.

In Castle L, 4.7% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.