LL57 1SB

Dwyrain Bangor · Gwynedd · Wales

Updated September 2026

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Location overview

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Local authority
Gwynedd
Constituency
Bangor Aberconwy
Postcode district
LL57
Postcode sector
LL57 1

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL57 1TT 39 m
LL57 1SG 54 m
LL57 1TS 57 m
LL57 1SP 72 m
LL57 1SH 84 m
Complete postcode fields and official codes
Postcode
LL57 1SB
Status
Current
Introduced
1 April 2003
Terminated
Not published
Postcode area
LL
Postcode district
LL57
Postcode sector
LL57 1
Latitude
53.227427
Longitude
-4.115002
British National Grid easting
258,911
British National Grid northing
372,129

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Gwynedd · W06000002
Parish or community
W04000046
Westminster constituency
Bangor Aberconwy · W07000083
Output area
W00000460
Lower layer super output area
Gwynedd 001D · W01000091
Middle layer super output area
Gwynedd 001 · W02000010

Postcode source versions

Explore LL57

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
16
Primary
0
Secondary
0
  1. Ysgol Glancegin

    Welsh establishment

    226 m
  2. Ysgol Gynradd Hirael

    Welsh establishment

    649 m
  3. Bangor Independent School

    Welsh establishment

    726 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,814
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 641
  • Anti social behaviour 269
  • Shoplifting 218
  • Public order 174
  • Criminal damage and arson 145

Census 2021

Population and age profile

Postcode residents
15

11 female, 4 male

Postcode households
9
Residents per household
1.7
LL57 1 residents
5,929

Age bands in LL57 1

Wider postcode sector
Age 0 to 14
13.9%

834 residents

Age 15 to 24
36%

2,162 residents

Age 25 to 44
23.1%

1,391 residents

Age 45 to 64
16.7%

1,002 residents

Age 65 and over
10.4%

623 residents

This postcode contained 0.3% of the sector's usual residents on Census Day. The age profile describes the wider LL57 1 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+
100%
Ultrafast, 100 Mbit/s+
100%
Ultrafast, 300 Mbit/s+
50%
Gigabit-capable
50%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
0%

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

5

within 5 km

  • BRON DERW MEDICAL CENTRE

    GLYNNE ROAD, BANGOR, LL57 1AH

    ODS code W94034

    500 m

  • GLANFA

    ORME ROAD, BANGOR, LL57 1AY

    ODS code W94040

    577 m

  • BODNANT SURGERY

    MENAI AVENUE, BANGOR, LL57 2HH

    ODS code W94010

    1.6 km

  • UPCC AT YSBYTY GWYNEDD

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

    ODS code W00191

    3.6 km

  • THE HEALTH CENTRE

    BEAUMARIS LIBRARY, BEAUMARIS, LL58 8AL

    ODS code W94009

    4.4 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 2026-09-05. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Llys Arthur

    BCT · Maesgeirchen

    0.1 miles
  • Ysgol Glancegin

    BCT · Maesgeirchen

    0.1 miles
  • Llys Dyfrig

    BCT · Maesgeirchen

    0.1 miles
  • Lon Maesgeirchen

    BCT · Maesgeirchen

    0.2 miles
  • Maesgeirchen Circle East

    BCT · Maesgeirchen

    0.2 miles

Evidence in context

Schools

16 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Glancegin is the nearest published school at 226 m.

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

Recorded crime

1,814 published events cover 12 months, averaging 151.167 events per published month. The largest recorded category is Violence and sexual offences with 641 events.

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