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Black Mountain P4

Neighbourhood

South west Belfast. 416 people (mid-2024 estimate) in 0.2 square kilometres.

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Gigabit coverage by neighbourhood

Connected Nations (Ofcom) · January 2026

Under 60%98% or more

In Black Mountain P4, 80.1% of homes and businesses could get gigabit-capable broadband in January 2026.

Population
427
Joint 1,310th least populated of 46,844
ONS Census 2021 · 2021
Gigabit broadband coverage
80.1%
UK 87.8%
Ofcom · Jan 2026
Aged 15 to 64
71.3%
Joint 5,289th highest of 46,844
ONS Census 2021 · 2021
Aged 65 and over
4.0%
Joint 940th 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 Black Mountain P4. See deprivation across Belfast

How Black Mountain P4 compares

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

Black Mountain P4Middle
Population735 neighbourhoods, Belfast · 2021
Population: every neighbourhood in Belfast735 areas from 154 to 2,149. The middle area is 450. Black Mountain P4 is 427.
427joint 305th least populated
Gigabit broadband coverage735 neighbourhoods, Belfast · Jan 2026
Gigabit broadband coverage: every neighbourhood in Belfast735 areas from 48.0% to 100.0%. The middle area is 99.2%. Black Mountain P4 is 80.1%.
80.1%30th lowest
Aged 15 to 64735 neighbourhoods, Belfast · 2021
Aged 15 to 64: every neighbourhood in Belfast735 areas from 28.0% to 97.3%. The middle area is 65.1%. Black Mountain P4 is 71.3%.
71.3%joint 159th highest
Aged 65 and over735 neighbourhoods, Belfast · 2021
Aged 65 and over: every neighbourhood in Belfast735 areas from 0.1% to 67.8%. The middle area is 14.7%. Black Mountain P4 is 4.0%.
4.0%47th lowest

Is Black Mountain P4 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Black Mountain P4 at a rate of 67.3 per 1,000 people.

That compares with 131.7 per 1,000 people across Black Mountain P.

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

In August 2026 alone, 1 case of crime and anti-social behaviour was recorded in Black Mountain P4.

In the 12 months to August 2026, the most common types were violence and sexual offences (10), other crime (6) and anti-social behaviour (5).

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 Belfast

These figures are published for the whole of Belfast, not for each neighbourhood, so they describe all of Belfast and not Black Mountain P4 alone. See Belfast

Average house price
£184,768
Up 7.7% in a year
HM Land Registry · Aug 2026
Population estimate
351,927
Down 0.1% in a year
ONS population estimates · 2025
Female life expectancy
80.5years
UK 83.0 years
ONS life expectancy · 2022 to 2024
People in radon Affected Area squares
14%
UK 44%
Worked out by Open Index
Black Mountain P4 in brief

Black Mountain P4 had 427 usual residents at the census.

In Black Mountain P4, 80.1% of homes and businesses could get gigabit-capable broadband in January 2026.

71.3% of residents in Black Mountain P4 were aged 15 to 64 at the census.

4.0% of residents in Black Mountain P4 were aged 65 or over at the census.