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Collin J1

Neighbourhood

South west Belfast. 911 people (mid-2024 estimate) in 0.3 square kilometres.

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Gigabit coverage by neighbourhood

Connected Nations (Ofcom) · January 2026

Under 60%98% or more

In Collin J1, 95.5% of homes and businesses could get gigabit-capable broadband in January 2026.

Population
737
Joint 7,527th least populated of 46,844
ONS Census 2021 · 2021
Gigabit broadband coverage
95.5%
UK 87.8%
Ofcom · Jan 2026
Aged 15 to 64
72.3%
Joint 4,434th highest of 46,844
ONS Census 2021 · 2021
Aged 65 and over
8.1%
Joint 4,165th 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 Collin J1. See deprivation across Belfast

How Collin J1 compares

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

Collin J1Middle
Population735 neighbourhoods, Belfast · 2021
Population: every neighbourhood in Belfast735 areas from 154 to 2,149. The middle area is 450. Collin J1 is 737.
73728th most 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%. Collin J1 is 95.5%.
95.5%joint 151st 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%. Collin J1 is 72.3%.
72.3%joint 145th 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%. Collin J1 is 8.1%.
8.1%joint 127th lowest

Is Collin J1 safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Collin J1 at a rate of 94.4 per 1,000 people.

That compares with 106.7 per 1,000 people across Collin J.

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

In August 2026 alone, 5 cases of crime and anti-social behaviour were recorded in Collin J1.

In the 12 months to August 2026, the most common types were violence and sexual offences (35), anti-social behaviour (31) and criminal damage and arson (11).

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 Collin J1 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
Collin J1 in brief

Collin J1 had 737 usual residents at the census.

In Collin J1, 95.5% of homes and businesses could get gigabit-capable broadband in January 2026.

72.3% of residents in Collin J1 were aged 15 to 64 at the census.

8.1% of residents in Collin J1 were aged 65 or over at the census.