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Castlereagh South J5

Neighbourhood

East Lisburn and Castlereagh. 401 people (mid-2024 estimate) in 5.7 square kilometres.

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Gigabit coverage by neighbourhood

Connected Nations (Ofcom) · January 2026

Under 60%98% or more

In Castlereagh South J5, 94.3% of homes and businesses could get gigabit-capable broadband in January 2026.

Population
402
Joint 979th least populated of 46,844
ONS Census 2021 · 2021
Gigabit broadband coverage
94.3%
UK 87.8%
Ofcom · Jan 2026
Aged 15 to 64
66.2%
Joint 14,050th highest of 46,844
ONS Census 2021 · 2021
Aged 65 and over
14.7%
Joint 15,320th lowest of 46,844
ONS Census 2021 · 2021

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 Castlereagh South J5. See deprivation across Lisburn and Castlereagh

How Castlereagh South J5 compares

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

Castlereagh South J5Middle
Population296 neighbourhoods, Lisburn and Castlereagh · 2021
Population: every neighbourhood in Lisburn and Castlereagh296 areas from 218 to 1,076. The middle area is 493. Castlereagh South J5 is 402.
402joint 69th least populated
Gigabit broadband coverage296 neighbourhoods, Lisburn and Castlereagh · Jan 2026
Gigabit broadband coverage: every neighbourhood in Lisburn and Castlereagh296 areas from 62.7% to 100.0%. The middle area is 99.1%. Castlereagh South J5 is 94.3%.
94.3%joint 48th lowest
Aged 15 to 64296 neighbourhoods, Lisburn and Castlereagh · 2021
Aged 15 to 64: every neighbourhood in Lisburn and Castlereagh296 areas from 46.0% to 84.0%. The middle area is 63.5%. Castlereagh South J5 is 66.2%.
66.2%95th highest
Aged 65 and over296 neighbourhoods, Lisburn and Castlereagh · 2021
Aged 65 and over: every neighbourhood in Lisburn and Castlereagh296 areas from 0.2% to 43.7%. The middle area is 18.3%. Castlereagh South J5 is 14.7%.
14.7%98th lowest

Is Castlereagh South J5 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Castlereagh South J5 at a rate of 54.9 per 1,000 people.

That compares with 23.9 per 1,000 people across Castlereagh South J.

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

In August 2026 alone, 0 cases of crime and anti-social behaviour were recorded in Castlereagh South J5.

In the 12 months to August 2026, the most common types were violence and sexual offences (8), anti-social behaviour (7) and criminal damage and arson (4).

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 Lisburn and Castlereagh

These figures are published for the whole of Lisburn and Castlereagh, not for each neighbourhood, so they describe all of Lisburn and Castlereagh and not Castlereagh South J5 alone. See Lisburn and Castlereagh

Average house price
£240,737
Up 9.7% in a year
HM Land Registry · Aug 2026
Population estimate
152,367
Up 0.5% in a year
ONS population estimates · 2025
Female life expectancy
83.8years
UK 83.0 years
ONS life expectancy · 2022 to 2024
People in radon Affected Area squares
32%
UK 44%
Worked out by Open Index
Castlereagh South J5 in brief

Castlereagh South J5 had 402 usual residents at the census.

In Castlereagh South J5, 94.3% of homes and businesses could get gigabit-capable broadband in January 2026.

66.2% of residents in Castlereagh South J5 were aged 15 to 64 at the census.

14.7% of residents in Castlereagh South J5 were aged 65 or over at the census.