Compare

Castle U3

Neighbourhood

North Belfast. 546 people in 0.0 square kilometres.

Open in map

Gigabit coverage by neighbourhood

Connected Nations (Ofcom) · January 2026

Under 60%98% or more

In Castle U3, 96.2% of homes and businesses could get gigabit-capable broadband in January 2026.

Population
574
4,094th lowest of 46,844
ONS Census 2021 · 2021
Gigabit broadband coverage
96.2%
UK 87.8%
Ofcom · Jan 2026
Aged 15 to 64
71.3%
5,289th highest of 46,844
ONS Census 2021 · 2021
Aged 65 and over
8.9%
5,226th 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 U3. See deprivation across Belfast

How Castle U3 compares

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

Castle U3Middle
Population735 neighbourhoods, Belfast · 2021
Population: every neighbourhood in Belfast735 areas from 154 to 2,149. The middle area is 450. Castle U3 is 574.
574joint 146th 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 U3 is 96.2%.
96.2%joint 170th 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%. Castle U3 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%. Castle U3 is 8.9%.
8.9%joint 150th 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 U3 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 U3 in brief

Castle U3 had 574 usual residents at the census.

In Castle U3, 96.2% of homes and businesses could get gigabit-capable broadband in January 2026.

71.3% of residents in Castle U3 were aged 15 to 64 at the census.

8.9% of residents in Castle U3 were aged 65 or over at the census.