LL54 6LL

Llanllyfni · Gwynedd · Wales

Updated September 2026

Compare this postcode

Location overview

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Local authority
Gwynedd
Constituency
Dwyfor Meirionnydd
Postcode district
LL54
Postcode sector
LL54 6

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL54 6PU 390 m
LL54 6PT 395 m
LL54 6LD 428 m
LL54 6HF 537 m
LL54 6LA 540 m
Complete postcode fields and official codes
Postcode
LL54 6LL
Status
Terminated
Introduced
1 August 1993
Terminated
1 July 1997
Postcode area
LL
Postcode district
LL54
Postcode sector
LL54 6
Latitude
53.057149
Longitude
-4.266492
British National Grid easting
248,200
British National Grid northing
353,500

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Gwynedd · W06000002
Parish or community
W04000083
Westminster constituency
Dwyfor Meirionnydd · W07000096
Output area
W00000581
Lower layer super output area
Gwynedd 008D · W01000112
Middle layer super output area
Gwynedd 008 · W02000017

Postcode source versions

Explore LL54

Schools

Within 3.1 miles of this postcode

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

    Welsh establishment

    800 m
  2. Ysgol Dyffryn Nantlle

    Welsh establishment

    838 m
  3. Ysgol Bro Lleu

    Welsh establishment

    1.0 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
235
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 111
  • Criminal damage and arson 44
  • Anti social behaviour 42
  • Public order 12
  • Other theft 6

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
LL54 6 residents
4,195

Age bands in LL54 6

Wider postcode sector
Age 0 to 14
18.7%

765 residents

Age 15 to 24
10.7%

437 residents

Age 25 to 44
21.7%

890 residents

Age 45 to 64
27.5%

1,127 residents

Age 65 and over
21.4%

878 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

  • CORWEN HOUSE

    MARKET PLACE, PENYGROES, CAERNARFON, LL54 6NN

    ODS code W94609

    1.4 km

Nearby transport

  • Tan-y-ffordd

    BCT · Penygroes

    0.3 miles
  • Tan-y-ffordd

    BCT · Penygroes

    0.3 miles
  • Rhwng Llwyni

    BCT · Penygroes

    0.5 miles
  • Swyddfa'r Post Office

    BCT · Talysarn

    0.5 miles
  • Swyddfa'r Post Office

    BCT · Talysarn

    0.5 miles

Evidence in context

Schools

9 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Gynradd Talysarn is the nearest published school at 800 m.

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

Recorded crime

235 published events cover 12 months, averaging 19.583 events per published month. The largest recorded category is Violence and sexual offences with 111 events.

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