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Dundonald

Ward

North east Lisburn and Castlereagh. About 2,772 people (mid-2024 estimate) in 2.1 square kilometres.

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Radon Affected Area by ward

Worked out by Open Index · 2022

Under 1%90% or more

About 87% of people in Dundonald live in a 1 km square that the radon atlas marks as a radon Affected Area.

Population
2,331
499th least populated of 8,397
ONS Census 2021 · 2021
People in radon Affected Area squares
87%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
97.5%
UK 87.8%
Ofcom · Jan 2026
Aged 15 to 64
66.6%
Joint 1,461st highest of 8,397
ONS Census 2021 · 2021

How Dundonald compares

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

DundonaldMiddle
Population40 wards, Lisburn and Castlereagh · 2021
Population: every ward in Lisburn and Castlereagh40 areas from 1,929 to 6,617. The middle area is 3,706. Dundonald is 2,331.
2,3313rd least populated
People in radon Affected Area squares40 wards, Lisburn and Castlereagh · 2022
People in radon Affected Area squares: every ward in Lisburn and Castlereagh40 areas from 0.0% to 100.0%. The middle area is 9.5%. Dundonald is 87.0%.
87%joint 6th most people in radon Affected Areas
Gigabit broadband coverage40 wards, Lisburn and Castlereagh · Jan 2026
Gigabit broadband coverage: every ward in Lisburn and Castlereagh40 areas from 88.1% to 99.7%. The middle area is 97.3%. Dundonald is 97.5%.
97.5%joint 17th highest
Aged 15 to 6440 wards, Lisburn and Castlereagh · 2021
Aged 15 to 64: every ward in Lisburn and Castlereagh40 areas from 56.7% to 68.5%. The middle area is 62.8%. Dundonald is 66.6%.
66.6%5th highest

Is Dundonald safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Dundonald at a rate of 94.6 per 1,000 people.

That compares with 52.4 per 1,000 people across Lisburn and Castlereagh.

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

In August 2026 alone, 21 cases of crime and anti-social behaviour were recorded in Dundonald.

In the 12 months to August 2026, the most common types were violence and sexual offences (91), anti-social behaviour (71) and other crime (26).

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 ward, so they describe all of Lisburn and Castlereagh and not Dundonald 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
Full-fibre broadband coverage
95.4%
UK 81.0%
Ofcom · Jan 2026
Dundonald in brief

Dundonald had 2,331 usual residents at the census.

About 87% of people in Dundonald live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Dundonald, 97.5% of homes and businesses could get gigabit-capable broadband in January 2026.

66.6% of residents in Dundonald were aged 15 to 64 at the census.