# Killultagh C4

North west Lisburn and Castlereagh. 461 people (mid-2024 estimate) in 8.2 square kilometres.

Killultagh C4 had 465 usual residents at the census (NISRA Census 2021).

Neighbourhood. Code N20002298. In: [Northern Ireland](https://openindex.co.uk/northern-ireland) › [Lisburn and Castlereagh](https://openindex.co.uk/lisburn-and-castlereagh)

## Key figures

- **Population: 465** (2021). Killultagh C4 had 465 usual residents at the census (NISRA Census 2021). Joint 1,897th least populated of 46,844. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/lisburn-and-castlereagh/neighbourhood/n20002298#f-population
- **Gigabit broadband coverage: 97.8%** (January 2026). In Killultagh C4, 97.8% of homes and businesses could get gigabit-capable broadband in January 2026 (Ofcom). UK 87.8%. Source: Connected Nations (Ofcom), January 2026. Published 13 May 2026. https://openindex.co.uk/lisburn-and-castlereagh/neighbourhood/n20002298#f-gigabit-coverage
- **Aged 15 to 64: 64.8%** (2021). 64.8% of residents in Killultagh C4 were aged 15 to 64 at the census (NISRA Census 2021). Joint 18,208th highest of 46,844. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/lisburn-and-castlereagh/neighbourhood/n20002298#f-age-15-to-64
- **Aged 65 and over: 20.4%** (2021). 20.4% of residents in Killultagh C4 were aged 65 or over at the census (NISRA Census 2021). Joint 19,720th highest of 46,844. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/lisburn-and-castlereagh/neighbourhood/n20002298#f-age-65-and-over

## On the map

- [Gigabit coverage by neighbourhood](https://openindex.co.uk/map/gigabit-broadband#place=N20002298) (Connected Nations (Ofcom) · January 2026): In Killultagh C4, 97.8% of homes and businesses could get gigabit-capable broadband in January 2026.
- [Average house price by council](https://openindex.co.uk/map/house-prices#place=N20002298) (UK House Price Index · August 2026): Published for whole councils, so the map colours all of Lisburn and Castlereagh. The outline is Killultagh C4.
- [Crime and ASB by neighbourhood](https://openindex.co.uk/map/recorded-crime#place=N20002298) (Police recorded crime and outcomes (data.police.uk) · August 2026): Police recorded 0 crimes and anti-social behaviour incidents in Killultagh C4 in August 2026.
- [Population by neighbourhood](https://openindex.co.uk/map/population#place=N20002298) (Census 2021, England and Wales): Killultagh C4 had 465 usual residents at the census.

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 Killultagh C4. [See deprivation across Lisburn and Castlereagh](https://openindex.co.uk/lisburn-and-castlereagh/deprivation)

## How Killultagh C4 compares

Each neighbourhood against every other neighbourhood the measure covers.

| Measure | Killultagh C4 | Rank | Compared with |
| --- | --- | --- | --- |
| Population | 465 | joint 119th least populated | 296 neighbourhoods, Lisburn and Castlereagh · 2021 |
| Gigabit broadband coverage | 97.8% | joint 98th lowest | 296 neighbourhoods, Lisburn and Castlereagh · Jan 2026 |
| Aged 15 to 64 | 64.8% | joint 121st highest | 296 neighbourhoods, Lisburn and Castlereagh · 2021 |
| Aged 65 and over | 20.4% | 119th highest | 296 neighbourhoods, Lisburn and Castlereagh · 2021 |

## What is the population of Killultagh C4?

Killultagh C4 had 465 usual residents at the census.
Killultagh C4 is the joint 1,897th least populated of 46,844 in the UK.

## 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 Killultagh C4 alone. [See Lisburn and Castlereagh](https://openindex.co.uk/lisburn-and-castlereagh)

- **Average house price: £240,737** (August 2026). Lisburn and Castlereagh’s average house price was £240,737 in August 2026 (HM Land Registry). Up 9.7% in a year. Source: UK House Price Index, August 2026. Published 21 October 2026.
- **Population estimate: 152,367** (2025). Lisburn and Castlereagh’s population was an estimated 152,367 in mid-2025 (ONS population estimates). Up 0.5% in a year. Source: Mid-year population estimates, 2025. Published 1 October 2026.
- **Female life expectancy: 83.8 years** (2022 to 2024). A baby girl born in Lisburn and Castlereagh could expect to live 83.8 years, based on deaths in 2022 to 2024 (ONS life expectancy). UK 83.0 years. Source: Life expectancy for local areas of the UK, 2022 to 2024. Published 10 December 2025.
- **People in radon Affected Area squares: 32%** (2022). About 32% of people in Lisburn and Castlereagh live in a 1 km square that the radon atlas marks as a radon Affected Area. UK 44%. Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Published 1 December 2022.

## Killultagh C4 in brief

Killultagh C4 had 465 usual residents at the census.
In Killultagh C4, 97.8% of homes and businesses could get gigabit-capable broadband in January 2026.
64.8% of residents in Killultagh C4 were aged 15 to 64 at the census.
20.4% of residents in Killultagh C4 were aged 65 or over at the census.

## About

- Type: Neighbourhood
- Code: N20002298
- Middle area: [Killultagh C](https://openindex.co.uk/lisburn-and-castlereagh/killultagh-c)
- Ward: [Stonyford †](https://openindex.co.uk/lisburn-and-castlereagh/ward/stonyford)
- Constituency: [South Antrim †](https://openindex.co.uk/constituency/south-antrim)
- Council: [Lisburn and Castlereagh](https://openindex.co.uk/lisburn-and-castlereagh)
- Nation: [Northern Ireland](https://openindex.co.uk/northern-ireland)
- Area: 8.16 km²
- People, mid-2024: 461

† Best fit: the ward and constituency this neighbourhood mostly lies in. Its edges do not follow theirs.

## Next door

[Killultagh C2](https://openindex.co.uk/lisburn-and-castlereagh/neighbourhood/n20002294), [Killultagh G2](https://openindex.co.uk/lisburn-and-castlereagh/neighbourhood/n20002302), [Killultagh B2](https://openindex.co.uk/lisburn-and-castlereagh/neighbourhood/n20002289), [Killultagh B3](https://openindex.co.uk/lisburn-and-castlereagh/neighbourhood/n20002296), [Killultagh F3](https://openindex.co.uk/lisburn-and-castlereagh/neighbourhood/n20002304), [Killultagh C1](https://openindex.co.uk/lisburn-and-castlereagh/neighbourhood/n20002293)

## Latest updates for Killultagh C4

- August 2026 house prices published: HM Land Registry and partners · Oct 2026.
- September 2026 rent published: ONS private rents · Oct 2026.
- Nitrogen dioxide (NO2) updated: Defra · Oct 2026.
- 2025 population published: ONS population estimates · Oct 2026.

The same figures as JSON: https://openindex.co.uk/v1/places/N20002298

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/lisburn-and-castlereagh/neighbourhood/n20002298, or to one figure with its anchor, https://openindex.co.uk/lisburn-and-castlereagh/neighbourhood/n20002298#f-population.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.11. The HTML page: https://openindex.co.uk/lisburn-and-castlereagh/neighbourhood/n20002298