LL55 3NL

Cwm-y-glo · Gwynedd · Wales

Updated September 2026

Compare this postcode

Location overview

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Local authority
Gwynedd
Constituency
Dwyfor Meirionnydd
Postcode district
LL55
Postcode sector
LL55 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL55 3PD 211 m
LL55 3DD 330 m
LL55 3PE 406 m
LL55 3PT 428 m
LL55 3PJ 448 m
Complete postcode fields and official codes
Postcode
LL55 3NL
Status
Terminated
Introduced
1 April 1986
Terminated
1 December 1990
Postcode area
LL
Postcode district
LL55
Postcode sector
LL55 3
Latitude
53.147420
Longitude
-4.150112
British National Grid easting
256,300
British National Grid northing
363,300

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Gwynedd · W06000002
Electoral ward
Cwm-y-glo · W05001523
Parish or community
W04000070
Westminster constituency
Dwyfor Meirionnydd · W07000096
Output area
W00000506
Lower layer super output area
Gwynedd 005C · W01000099
Middle layer super output area
Gwynedd 005 · W02000014

Postcode source versions

Explore LL55

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
7
Primary
0
Secondary
0
  1. Ysgol Gymuned Penisarwaun

    Welsh establishment

    996 m
  2. Ysgol Gwaun Gynfi

    Welsh establishment

    1.5 km
  3. Ysgol Llanrug

    Welsh establishment

    2.8 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
101
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 54
  • Other theft 10
  • Anti social behaviour 9
  • Burglary 8
  • Public order 7

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
LL55 3 residents
2,998

Age bands in LL55 3

Wider postcode sector
Age 0 to 14
16.2%

495 residents

Age 15 to 24
11.6%

355 residents

Age 25 to 44
22.4%

682 residents

Age 45 to 64
30%

914 residents

Age 65 and over
19.8%

602 residents

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.

GP practices

1

within 5 km straight-line

  • THE SURGERY

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

    ODS code W94017

    3.6 km

Nearby transport

  • Brynrefail Minffordd

    BCT · Brynrefail

    0.1 miles
  • Brynrefail Minffordd

    BCT · Brynrefail

    0.1 miles
  • Racca Crossroads

    BCT · Penisar Waun

    0.2 miles
  • Racca Crossroads

    BCT · Penisar Waun

    0.3 miles
  • Ger Afon

    BCT · Brynrefail

    0.3 miles

Evidence in context

Schools

7 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Gymuned Penisarwaun is the nearest published school at 996 m.

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

Recorded crime

101 published events cover 12 months, averaging 8.417 events per published month. The largest recorded category is Violence and sexual offences with 54 events.

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