LL57 1LG

Canol Bangor · Gwynedd · Wales

Updated September 2026

Compare this postcode

Location overview

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

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL57 1LF 20 m
LL57 1LE 40 m
LL57 1LA 64 m
LL57 1LB 78 m
LL57 1NT 84 m
Complete postcode fields and official codes
Postcode
LL57 1LG
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL57
Postcode sector
LL57 1
Latitude
53.225474
Longitude
-4.129228
British National Grid easting
257,955
British National Grid northing
371,940

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
W00010660
Lower layer super output area
Gwynedd 001A · W01000062
Middle layer super output area
Gwynedd 001 · W02000010

Postcode source versions

Explore LL57

32 recorded sales at this postcode
Address Date Price
3, Treflan, Bangor, LL57 1LG 3 July 2023 £110,000
13, Treflan, Bangor, LL57 1LG 3 March 2021 £117,500
18, Treflan, Bangor, LL57 1LG 1 May 2020 £105,000

Schools

Within 3.1 miles of this postcode

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

    Welsh establishment

    144 m
  2. Bangor Independent School

    Welsh establishment

    308 m
  3. St Gerards School Trust

    Welsh establishment

    581 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
2,220
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 784
  • Anti social behaviour 331
  • Shoplifting 279
  • Public order 200
  • Criminal damage and arson 179

Census 2021

Population and age profile

Postcode residents
44

26 female, 18 male

Postcode households
20
Residents per household
2.2
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 0.7% 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+
100%
Gigabit-capable
100%
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 straight-line

  • BODNANT SURGERY

    MENAI AVENUE, BANGOR, LL57 2HH

    ODS code W94010

    704 m

  • BRON DERW MEDICAL CENTRE

    GLYNNE ROAD, BANGOR, LL57 1AH

    ODS code W94034

    738 m

  • GLANFA

    ORME ROAD, BANGOR, LL57 1AY

    ODS code W94040

    830 m

  • UPCC AT YSBYTY GWYNEDD

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

    ODS code W00191

    2.7 km

  • THE HEALTH CENTRE

    BEAUMARIS LIBRARY, BEAUMARIS, LL58 8AL

    ODS code W94009

    5.0 km

Nearby transport

  • Ffordd Deiniol

    BCT · Bangor

    0.1 miles
  • Ffordd Deiniol

    BCT · Bangor

    0.2 miles
  • Farrar Road

    BCT · Bangor

    0.2 miles
  • Bangor Bus Station Stand A

    BCS · Bangor

    0.2 miles
  • Bangor Bus Station Stand B

    BCS · Bangor

    0.2 miles

Evidence in context

Property market

The five-year median is £110,000 from 1 recorded sale in LL57 1LG. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Gwynedd is £206,665 in June 2026, up 5.7% year on year.

Schools

17 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Y Garnedd is the nearest published school at 144 m.

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

Recorded crime

2,220 published events cover 12 months, averaging 185 events per published month. The largest recorded category is Violence and sexual offences with 784 events.

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