LL57 3WB

Arllechwedd · Gwynedd · Wales

Updated September 2026

Compare this postcode

Location overview

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Local authority
Gwynedd
Constituency
Bangor Aberconwy
Postcode district
LL57
Postcode sector
LL57 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL57 3UY 94 m
LL57 3YA 113 m
LL57 3YJ 143 m
LL57 3UZ 160 m
LL57 3UU 187 m
Complete postcode fields and official codes
Postcode
LL57 3WB
Status
Terminated
Introduced
1 January 1995
Terminated
1 June 1996
Postcode area
LL
Postcode district
LL57
Postcode sector
LL57 3
Latitude
53.212263
Longitude
-4.093452
British National Grid easting
260,300
British National Grid northing
370,400

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Gwynedd · W06000002
Parish or community
W04000082
Westminster constituency
Bangor Aberconwy · W07000083
Output area
W00000257
Lower layer super output area
Gwynedd 003A · W01000050
Middle layer super output area
Gwynedd 003 · W02000012

Postcode source versions

Explore LL57

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
17
Primary
0
Secondary
0
  1. Ysgol Llandygai

    Welsh establishment

    635 m
  2. Ysgol Glancegin

    Welsh establishment

    2.2 km
  3. Ysgol Tregarth

    Welsh establishment

    2.5 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
82
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 25
  • Public order 17
  • Anti social behaviour 15
  • Drugs 5
  • Other theft 5

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
LL57 3 residents
5,563

Age bands in LL57 3

Wider postcode sector
Age 0 to 14
17.8%

989 residents

Age 15 to 24
11.3%

627 residents

Age 25 to 44
25%

1,390 residents

Age 45 to 64
28.2%

1,570 residents

Age 65 and over
17.8%

989 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

5

within 5 km straight-line

  • BRON DERW MEDICAL CENTRE

    GLYNNE ROAD, BANGOR, LL57 1AH

    ODS code W94034

    2.7 km

  • GLANFA

    ORME ROAD, BANGOR, LL57 1AY

    ODS code W94040

    2.8 km

  • BODNANT SURGERY

    MENAI AVENUE, BANGOR, LL57 2HH

    ODS code W94010

    3.5 km

  • CANOLFAN FEDDYGOL YR HEN

    STATION ROAD, BETHESDA, BANGOR, LL57 3NE

    ODS code W94028

    3.9 km

  • UPCC AT YSBYTY GWYNEDD

    UPCC AT YSBYTY GWYNEDO, PENRHOSGARNEDD, BANGOR, LL57 2PW

    ODS code W00191

    4.4 km

Nearby transport

  • Talybont

    BCT · Tal-y-bont

    0.2 miles
  • Talybont

    BCT · Tal-y-bont

    0.2 miles
  • Castell Penrhyn

    BCT · Tal-y-bont

    0.3 miles
  • Castell Penrhyn

    BCT · Tal-y-bont

    0.3 miles
  • Llandygai Vicarage

    BCT · Llandygai

    0.4 miles

Evidence in context

Schools

17 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Llandygai is the nearest published school at 635 m.

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

Recorded crime

82 published events cover 12 months, averaging 6.833 events per published month. The largest recorded category is Violence and sexual offences with 25 events.

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