LL55 4RN

Cwm-y-glo · Gwynedd · Wales

Updated September 2026

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Location overview

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Post town
Caernarfon
Local authority
Gwynedd
Constituency
Dwyfor Meirionnydd
Postcode district
LL55
Postcode sector
LL55 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL55 4RP 125 m
LL55 4RW 125 m
LL55 4RL 179 m
LL55 4RR 293 m
LL55 4RJ 329 m
Complete postcode fields and official codes
Postcode
LL55 4RN
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL55
Postcode sector
LL55 4
Latitude
53.139143
Longitude
-4.186898
British National Grid easting
253,812
British National Grid northing
362,454

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

1 recorded sale at this postcode
Address Date Price
1, Min Y Parc, Ceunant, Caernarfon, LL55 4RN 15 March 2017 £163,500

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
9
Primary
0
Secondary
0
  1. Ysgol Llanrug

    Welsh establishment

    972 m
  2. Ysgol Brynrefail

    Welsh establishment

    1.3 km
  3. Ysgol Gymuned Penisarwaun

    Welsh establishment

    2.2 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
115
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 56
  • Anti social behaviour 23
  • Criminal damage and arson 10
  • Public order 9
  • Other theft 7

Census 2021

Population and age profile

Postcode residents
8

4 female, 4 male

Postcode households
3
Residents per household
2.7
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.

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+
83.3%
Ultrafast, 100 Mbit/s+
83.3%
Ultrafast, 300 Mbit/s+
83.3%
Gigabit-capable
83.3%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
83.3%
Decent broadband available from fixed wireless
66.7%

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

    3.4 km

  • THE SURGERY

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

    ODS code W94017

    4.7 km

  • FELINHELI&PORTHAETHWY SU

    ROWEN, Y FELINHELI, LL56 4RX

    ODS code W94027

    5.0 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 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Tan y Coed Chapel

    BCT · Cwm-y-glo

    0.1 miles
  • Tai Minffrwd

    BCT · Ceunant

    0.1 miles
  • Bryn Bras

    BCT · Llanrug

    0.3 miles
  • Gate House

    BCT · Ceunant

    0.3 miles
  • Hafodlas

    BCT · Ceunant

    0.4 miles

Evidence in context

Schools

9 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Llanrug is the nearest published school at 972 m.

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

Recorded crime

115 published events cover 12 months, averaging 9.583 events per published month. The largest recorded category is Violence and sexual offences with 56 events.

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