# Ballyarnett B4

North Derry City and Strabane. 456 people (mid-2024 estimate) in 0.1 square kilometres.

Ballyarnett B4 had 437 usual residents at the census (NISRA Census 2021).

Neighbourhood. Code N20001817. In: [Northern Ireland](https://openindex.co.uk/northern-ireland) › [Derry City and Strabane](https://openindex.co.uk/derry-city-and-strabane)

## Key figures

- **Population: 437** (2021). Ballyarnett B4 had 437 usual residents at the census (NISRA Census 2021). Joint 1,457th 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/derry-city-and-strabane/neighbourhood/n20001817#f-population
- **Gigabit broadband coverage: 100.0%** (January 2026). In Ballyarnett B4, 100.0% 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/derry-city-and-strabane/neighbourhood/n20001817#f-gigabit-coverage
- **Aged 15 to 64: 73.2%** (2021). 73.2% of residents in Ballyarnett B4 were aged 15 to 64 at the census (NISRA Census 2021). Joint 3,827th 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/derry-city-and-strabane/neighbourhood/n20001817#f-age-15-to-64
- **Aged 65 and over: 3.7%** (2021). 3.7% of residents in Ballyarnett B4 were aged 65 or over at the census (NISRA Census 2021). Joint 810th lowest 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/derry-city-and-strabane/neighbourhood/n20001817#f-age-65-and-over

## On the map

- [Gigabit coverage by neighbourhood](https://openindex.co.uk/map/gigabit-broadband#place=N20001817) (Connected Nations (Ofcom) · January 2026): In Ballyarnett B4, 100.0% 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=N20001817) (UK House Price Index · August 2026): Published for whole councils, so the map colours all of Derry City and Strabane. The outline is Ballyarnett B4.
- [Crime and ASB by neighbourhood](https://openindex.co.uk/map/recorded-crime#place=N20001817) (Police recorded crime and outcomes (data.police.uk) · August 2026): Police recorded 2 crimes and anti-social behaviour incidents in Ballyarnett B4 in August 2026.
- [Population by neighbourhood](https://openindex.co.uk/map/population#place=N20001817) (Census 2021, England and Wales): Ballyarnett B4 had 437 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 Ballyarnett B4. [See deprivation across Derry City and Strabane](https://openindex.co.uk/derry-city-and-strabane/deprivation)

## How Ballyarnett B4 compares

Each neighbourhood against every other neighbourhood the measure covers.

| Measure | Ballyarnett B4 | Rank | Compared with |
| --- | --- | --- | --- |
| Population | 437 | joint 92nd least populated | 297 neighbourhoods, Derry City and Strabane · 2021 |
| Gigabit broadband coverage | 100.0% | joint highest | 297 neighbourhoods, Derry City and Strabane · Jan 2026 |
| Aged 15 to 64 | 73.2% | joint 16th highest | 297 neighbourhoods, Derry City and Strabane · 2021 |
| Aged 65 and over | 3.7% | 15th lowest | 297 neighbourhoods, Derry City and Strabane · 2021 |

## Is Ballyarnett B4 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Ballyarnett B4 at a rate of 210.5 per 1,000 people.
That compares with 93.1 per 1,000 people across Ballyarnett B.
Across Northern Ireland as a whole, the recorded crime rate was 70.2 per 1,000 people.
In August 2026 alone, 2 cases of crime and anti-social behaviour were recorded in Ballyarnett B4.
In the 12 months to August 2026, the most common types were anti-social behaviour (44), violence and sexual offences (25) and criminal damage and arson (13).
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 Derry City and Strabane

These figures are published for the whole of Derry City and Strabane, not for each neighbourhood, so they describe all of Derry City and Strabane and not Ballyarnett B4 alone. [See Derry City and Strabane](https://openindex.co.uk/derry-city-and-strabane)

- **Average house price: £189,474** (August 2026). Derry City and Strabane’s average house price was £189,474 in August 2026 (HM Land Registry). Up 12.4% in a year. Source: UK House Price Index, August 2026. Published 21 October 2026.
- **Population estimate: 152,659** (2025). Derry City and Strabane’s population was an estimated 152,659 in mid-2025 (ONS population estimates). Up 0.2% in a year. Source: Mid-year population estimates, 2025. Published 1 October 2026.
- **Female life expectancy: 81.2 years** (2022 to 2024). A baby girl born in Derry City and Strabane could expect to live 81.2 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: 99%** (2022). About 99% of people in Derry City and Strabane 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.

## Ballyarnett B4 in brief

Ballyarnett B4 had 437 usual residents at the census.
In Ballyarnett B4, 100.0% of homes and businesses could get gigabit-capable broadband in January 2026.
73.2% of residents in Ballyarnett B4 were aged 15 to 64 at the census.
3.7% of residents in Ballyarnett B4 were aged 65 or over at the census.

## About

- Type: Neighbourhood
- Code: N20001817
- Middle area: [Ballyarnett B](https://openindex.co.uk/derry-city-and-strabane/ballyarnett-b)
- Ward: [Skeoge †](https://openindex.co.uk/derry-city-and-strabane/ward/skeoge)
- Constituency: [Foyle †](https://openindex.co.uk/constituency/foyle)
- Council: [Derry City and Strabane](https://openindex.co.uk/derry-city-and-strabane)
- Nation: [Northern Ireland](https://openindex.co.uk/northern-ireland)
- Area: 0.09 km²
- People, mid-2024: 456

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

## Next door

[Ballyarnett G1](https://openindex.co.uk/derry-city-and-strabane/neighbourhood/n20001822), [Ballyarnett B1](https://openindex.co.uk/derry-city-and-strabane/neighbourhood/n20001811), [Ballyarnett F1](https://openindex.co.uk/derry-city-and-strabane/neighbourhood/n20001819), [Ballyarnett B3](https://openindex.co.uk/derry-city-and-strabane/neighbourhood/n20001815), [Ballyarnett B2](https://openindex.co.uk/derry-city-and-strabane/neighbourhood/n20001813), [Ballyarnett E2](https://openindex.co.uk/derry-city-and-strabane/neighbourhood/n20001821)

## Latest updates for Ballyarnett B4

- 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/N20001817

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/derry-city-and-strabane/neighbourhood/n20001817, or to one figure with its anchor, https://openindex.co.uk/derry-city-and-strabane/neighbourhood/n20001817#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/derry-city-and-strabane/neighbourhood/n20001817