LL57 4XG

Dewi · Gwynedd · Wales

Updated September 2026

Compare this postcode

Location overview

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Ward
Dewi
Local authority
Gwynedd
Constituency
Bangor Aberconwy
Postcode district
LL57
Postcode sector
LL57 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL57 2FD 36 m
LL57 4TR 49 m
LL57 4TL 61 m
LL57 4TW 86 m
LL57 4TN 135 m
Complete postcode fields and official codes
Postcode
LL57 4XG
Status
Terminated
Introduced
1 October 1984
Terminated
1 December 1985
Postcode area
LL
Postcode district
LL57
Postcode sector
LL57 4
Latitude
53.214842
Longitude
-4.150493
British National Grid easting
256,500
British National Grid northing
370,800

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Gwynedd · W06000002
Electoral ward
Dewi · W05001527
Parish or community
W04000046
Westminster constituency
Bangor Aberconwy · W07000083
Output area
W00000332
Lower layer super output area
Gwynedd 002A · W01000064
Middle layer super output area
Gwynedd 002 · W02000011

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 Friars

    Welsh establishment

    350 m
  2. Ysgol Cae Top

    Welsh establishment

    541 m
  3. Ysgol Tryfan

    Welsh establishment

    792 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,197
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 435
  • Shoplifting 175
  • Anti social behaviour 172
  • Public order 109
  • Criminal damage and arson 93

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
LL57 4 residents
5,821

Age bands in LL57 4

Wider postcode sector
Age 0 to 14
16.1%

958 residents

Age 15 to 24
14%

833 residents

Age 25 to 44
25.3%

1,504 residents

Age 45 to 64
26.6%

1,583 residents

Age 65 and over
17.9%

1,067 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

4

within 5 km straight-line

  • UPCC AT YSBYTY GWYNEDD

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

    ODS code W00191

    898 m

  • BODNANT SURGERY

    MENAI AVENUE, BANGOR, LL57 2HH

    ODS code W94010

    1.6 km

  • BRON DERW MEDICAL CENTRE

    GLYNNE ROAD, BANGOR, LL57 1AH

    ODS code W94034

    2.6 km

  • GLANFA

    ORME ROAD, BANGOR, LL57 1AY

    ODS code W94040

    2.7 km

Nearby transport

  • Top Coed Mawr

    BCT · Coed Mawr

    0.1 miles
  • Hafod Elfyn

    BCT · Coed Mawr

    0.1 miles
  • Hafod Elfyn

    BCT · Coed Mawr

    0.1 miles
  • Pen Coed Mawr

    BCT · Coed Mawr

    0.1 miles
  • Coed Mawr Roundabout

    BCT · Coed Mawr

    0.2 miles

Evidence in context

Schools

17 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Friars is the nearest published school at 350 m.

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

Recorded crime

1,197 published events cover 12 months, averaging 99.75 events per published month. The largest recorded category is Violence and sexual offences with 435 events.

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