LL55 4HJ

Cwm-y-glo · Gwynedd · Wales

Updated September 2026

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Location overview

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Local authority
Gwynedd
Constituency
Dwyfor Meirionnydd
Postcode district
LL55
Postcode sector
LL55 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL55 4RA 611 m
LL55 4HX 631 m
LL55 2TN 888 m
LL55 2TL 1.0 km
LL55 4SA 1.1 km
Complete postcode fields and official codes
Postcode
LL55 4HJ
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL55
Postcode sector
LL55 4
Latitude
53.130368
Longitude
-4.210744
British National Grid easting
252,187
British National Grid northing
361,527

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
W00000315
Lower layer super output area
Gwynedd 004B · W01000053
Middle layer super output area
Gwynedd 004 · W02000013

Postcode source versions

Explore LL55

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
14
Primary
0
Secondary
0
  1. Ysgol Waunfawr

    Welsh establishment

    2.0 km
  2. Ysgol Llanrug

    Welsh establishment

    2.3 km
  3. Ysgol Brynrefail

    Welsh establishment

    2.6 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
9
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Criminal damage and arson 4
  • Anti social behaviour 2
  • Violence and sexual offences 2
  • Public order 1

Census 2021

Population and age profile

Postcode residents
18

9 female, 9 male

Postcode households
5
Residents per household
3.6
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 0.3% of the sector's usual residents on Census Day. The age profile describes the wider LL55 4 sector, not people in this individual postcode.

Small counts are adjusted for privacy, so totals can differ slightly between Census tables.

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
25%

Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.

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

GP practices

3

within 5 km

  • LIVERPOOL HOUSE

    WAUNFAWR, CAERNARFON, LL55 4YY

    ODS code W94039

    2.1 km

  • PRIMARY CARE CS

    ERYLDON, CAMPBELL ROAD, CAERNARFON, LL55 1HU

    ODS code W00209

    4.1 km

  • MEDDYGFA HAFAN

    DOC FICTORIA, CAERNARFON, LL55 1TH

    ODS code W94030

    4.6 km

Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.

Source acquired on 2026-09-05. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Tan-y-ffordd

    BCT · Ceunant

    0.6 miles
  • Tan-y-ffordd

    BCT · Ceunant

    0.6 miles
  • Glanrafon Bach

    BCT · Caeathro

    0.8 miles
  • Glanrafon Bach

    BCT · Caeathro

    0.8 miles
  • Waenfawr Crossroads Upper

    BCT · Waunfawr

    1.0 miles

Evidence in context

Schools

14 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Waunfawr is the nearest published school at 1.2 miles.

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

Recorded crime

9 published events cover 12 months, averaging 0.75 events per published month. The largest recorded category is Criminal damage and arson with 4 events.

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