Compare

Castle A3

Neighbourhood

North Belfast. 441 people in 0.5 square kilometres.

Open in map

Gigabit coverage by neighbourhood

Connected Nations (Ofcom) · January 2026

Under 60%98% or more

In Castle A3, 99.7% of homes and businesses could get gigabit-capable broadband in January 2026.

Population
450
1,661st lowest of 46,844
ONS Census 2021 · 2021
Gigabit broadband coverage
99.7%
UK 87.8%
Ofcom · Jan 2026
Aged 15 to 64
74.2%
3,270th highest of 46,844
ONS Census 2021 · 2021
Aged 65 and over
14.4%
14,759th 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 Castle A3. See deprivation across Belfast

How Castle A3 compares

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

Castle A3Middle
Population735 neighbourhoods, Belfast · 2021
Population: every neighbourhood in Belfast735 areas from 154 to 2,149. The middle area is 450. Castle A3 is 450.
450joint 367th highest
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%. Castle A3 is 99.7%.
99.7%joint 252nd highest
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%. Castle A3 is 74.2%.
74.2%joint 116th 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%. Castle A3 is 14.4%.
14.4%joint 355th lowest

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 Castle A3 alone. See Belfast

Average house price
£184,768
Up 7.7% in a year
HM Land Registry · Jul 2026
Female life expectancy
80.5years
UK 83.0 years
ONS life expectancy · 2022 to 2024
Full-fibre broadband coverage
92.3%
UK 81.0%
Ofcom · Jan 2026
Claimant rate
3.9%
UK 3.9%
ONS via Nomis · Aug 2026
Castle A3 in brief

Castle A3 had 450 usual residents at the census.

In Castle A3, 99.7% of homes and businesses could get gigabit-capable broadband in January 2026.

74.2% of residents in Castle A3 were aged 15 to 64 at the census.

14.4% of residents in Castle A3 were aged 65 or over at the census.