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LL55 4DA

Cwm-y-glo · Gwynedd · Wales

Updated September 2026

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Location overview

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Ward
Cwm-y-glo
Local authority
Gwynedd
Constituency
Dwyfor Meirionnydd
Postcode district
LL55
Postcode sector
LL55 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL55 4AU 295 m
LL55 4AR 307 m
LL55 4EB 362 m
LL55 4DB 366 m
LL55 4AP 401 m
Complete postcode fields and official codes
Postcode
LL55 4DA
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL55
Postcode sector
LL55 4
Latitude
53.145690
Longitude
-4.178004
British National Grid easting
254,429
British National Grid northing
363,164

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Gwynedd · W06000002
Electoral ward
Cwm-y-glo · W05001523
Parish or community
W04000086
Westminster constituency
Dwyfor Meirionnydd · W07000096
Output area
W00000314
Lower layer super output area
Gwynedd 004B · W01000053
Middle layer super output area
Gwynedd 004 · W02000013

Postcode source versions

Explore LL55

Use the wider postcode district to compare the same evidence across more locations.

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
8
Primary
0
Secondary
0

  1. Ysgol Llanrug

    Welsh establishment

    917 m

  2. Ysgol Brynrefail

    Welsh establishment

    1.0 km

  3. Ysgol Gymuned Penisarwaun

    Welsh establishment

    1.3 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
134
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 68
  • Anti social behaviour 23
  • Public order 10
  • Criminal damage and arson 10
  • Burglary 8

Census 2021

Population and age profile

Postcode residents
9

4 female, 5 male

Postcode households
1
Residents per household
9.0
LL55 4 residents
6,211

Age bands in LL55 4

Wider postcode sector
Age 0 to 14
16.3%

1,056 residents

Age 15 to 24
10.4%

674 residents

Age 25 to 44
23.7%

1,529 residents

Age 45 to 64
27.8%

1,796 residents

Age 65 and over
21.8%

1,410 residents

This postcode contained 0.1% of the sector's usual residents on Census Day. The age profile describes the wider LL55 4 sector, not people in this individual postcode.

How to read these estimates
The standard postcode headcounts and the commissioned age table are separate ONS outputs. Small counts are disclosure-controlled, and totals can differ slightly between tables. Coverage is England and Wales only.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

Fixed broadband coverage

Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.

Superfast, 30 Mbit/s+
100%
Ultrafast, 100 Mbit/s+
100%
Ultrafast, 300 Mbit/s+
100%
Gigabit-capable
100%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
100%
Coverage is a modelled postcode-level snapshot, not a speed test or a guarantee for a named property. Check availability with providers before making a decision. Ofcom does not publish postcode-level full-fibre coverage in this release for commercial-confidentiality reasons.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

NHS ODS

GP practices

3

within 5 km

  • LIVERPOOL HOUSE

    WAUNFAWR, CAERNARFON, LL55 4YY

    ODS code W94039

    4.3 km

  • FELINHELI&PORTHAETHWY SU

    ROWEN, Y FELINHELI, LL56 4RX

    ODS code W94027

    4.6 km

  • THE SURGERY

    LLANBERIS SURGERY, HIGH STREET, LLANBERIS, CAERNARFON, LL55 4SU

    ODS code W94017

    4.6 km

Organisation records, not service availability
These are records marked active in NHS England's Organisation Data Service for England and Wales. Branch surgeries, pharmacies, dentists and hospitals are not included. They do not confirm patient registration, services, opening hours, appointments or care quality. Distances are straight-line from the postcode point.

Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Glyntwrog

    BCT · Pont-Rhythallt

    0.1 miles

  • Glyntrwog

    BCT · Llanrug

    0.1 miles

  • Glyntwrog

    BCT · Pont-Rhythallt

    0.2 miles

  • Bro Rhythallt

    BCT · Llanrug

    0.2 miles

  • Dol Afon

    BCT · Cwm-y-glo

    0.2 miles

Evidence in context

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Schools

Published establishments

8 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Llanrug is the nearest published school at 917 m.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

Published police records

134 published events cover 12 months, averaging 11.167 events per published month. The largest recorded category is Violence and sexual offences with 68 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.