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Lagan Valley

Ward

Central Lisburn and Castlereagh. About 3,003 people (mid-2024 estimate) in 1.0 square kilometre.

Open in map

Radon Affected Area by ward

Worked out by Open Index · 2022

Under 1%90% or more

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

Population
3,303
1,365th least populated of 8,397
ONS Census 2021 · 2021
People in radon Affected Area squares
0%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
95.1%
UK 87.8%
Ofcom · Jan 2026
Aged 15 to 64
61.8%
Joint 3,862nd lowest of 8,397
ONS Census 2021 · 2021

How Lagan Valley compares

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

Lagan ValleyMiddle
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. Lagan Valley is 3,303.
3,30314th 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%. Lagan Valley is 0.0%.
0%joint fewest 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%. Lagan Valley is 95.1%.
95.1%10th lowest
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%. Lagan Valley is 61.8%.
61.8%11th lowest

Is Lagan Valley safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Lagan Valley at a rate of 170.8 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, 32 cases of crime and anti-social behaviour were recorded in Lagan Valley.

In the 12 months to August 2026, the most common types were anti-social behaviour (159), violence and sexual offences (154) and shoplifting (83).

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 Lagan Valley 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
Lagan Valley in brief

Lagan Valley had 3,303 usual residents at the census.

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

In Lagan Valley, 95.1% of homes and businesses could get gigabit-capable broadband in January 2026.

61.8% of residents in Lagan Valley were aged 15 to 64 at the census.