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Castlereagh East A3

Neighbourhood

North east Lisburn and Castlereagh. 513 people (mid-2024 estimate) in 0.2 square kilometres.

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Gigabit coverage by neighbourhood

Connected Nations (Ofcom) · January 2026

Under 60%98% or more

In Castlereagh East A3, 100.0% of homes and businesses could get gigabit-capable broadband in January 2026.

Population
502
Joint 2,545th least populated of 46,844
ONS Census 2021 · 2021
Gigabit broadband coverage
100.0%
UK 87.8%
Ofcom · Jan 2026
Aged 15 to 64
61.3%
Joint 16,787th lowest of 46,844
ONS Census 2021 · 2021
Aged 65 and over
18.2%
Joint 22,486th 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 East A3. See deprivation across Lisburn and Castlereagh

How Castlereagh East A3 compares

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

Castlereagh East A3Middle
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 East A3 is 502.
502joint 140th most 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 East A3 is 100.0%.
100.0%joint highest
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 East A3 is 61.3%.
61.3%joint 102nd lowest
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 East A3 is 18.2%.
18.2%joint 146th lowest

Is Castlereagh East A3 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Castlereagh East A3 at a rate of 78.0 per 1,000 people.

That compares with 34.5 per 1,000 people across Castlereagh East A.

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

In August 2026 alone, 1 case of crime and anti-social behaviour was recorded in Castlereagh East A3.

In the 12 months to August 2026, the most common types were violence and sexual offences (16), anti-social behaviour (14) and criminal damage and arson (5).

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 East A3 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 East A3 in brief

Castlereagh East A3 had 502 usual residents at the census.

In Castlereagh East A3, 100.0% of homes and businesses could get gigabit-capable broadband in January 2026.

61.3% of residents in Castlereagh East A3 were aged 15 to 64 at the census.

18.2% of residents in Castlereagh East A3 were aged 65 or over at the census.