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Downshire West D4

Neighbourhood

West Lisburn and Castlereagh. 255 people (mid-2024 estimate) in 0.1 square kilometres.

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Gigabit coverage by neighbourhood

Connected Nations (Ofcom) · January 2026

Under 60%98% or more

In Downshire West D4, 100.0% of homes and businesses could get gigabit-capable broadband in January 2026.

Population
249
Joint 84th least populated of 46,844
ONS Census 2021 · 2021
Gigabit broadband coverage
100.0%
UK 87.8%
Ofcom · Jan 2026
Aged 15 to 64
68.4%
Joint 9,148th highest of 46,844
ONS Census 2021 · 2021
Aged 65 and over
11.6%
Joint 9,524th 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 Downshire West D4. See deprivation across Lisburn and Castlereagh

How Downshire West D4 compares

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

Downshire West D4Middle
Population296 neighbourhoods, Lisburn and Castlereagh · 2021
Population: every neighbourhood in Lisburn and Castlereagh296 areas from 218 to 1,076. The middle area is 493. Downshire West D4 is 249.
2499th least 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%. Downshire West D4 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%. Downshire West D4 is 68.4%.
68.4%joint 53rd highest
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%. Downshire West D4 is 11.6%.
11.6%joint 70th lowest

Is Downshire West D4 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Downshire West D4 at a rate of 47.1 per 1,000 people.

That compares with 49.8 per 1,000 people across Downshire West D.

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

In August 2026 alone, 0 cases of crime and anti-social behaviour were recorded in Downshire West D4.

In the 12 months to August 2026, the most common types were violence and sexual offences (5), criminal damage and arson (4) and anti-social behaviour (1).

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 Downshire West D4 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
Downshire West D4 in brief

Downshire West D4 had 249 usual residents at the census.

In Downshire West D4, 100.0% of homes and businesses could get gigabit-capable broadband in January 2026.

68.4% of residents in Downshire West D4 were aged 15 to 64 at the census.

11.6% of residents in Downshire West D4 were aged 65 or over at the census.