LL57 4BY

Y Faenol · Gwynedd · Wales

Updated September 2026

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Location overview

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Post town
Bangor
Local authority
Gwynedd
Constituency
Bangor Aberconwy
Postcode district
LL57
Postcode sector
LL57 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL57 4DA 208 m
LL57 4DB 490 m
LL57 2PL 614 m
LL57 2QR 667 m
LL57 2QP 717 m
Complete postcode fields and official codes
Postcode
LL57 4BY
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL57
Postcode sector
LL57 4
Latitude
53.202461
Longitude
-4.156027
British National Grid easting
256,089
British National Grid northing
369,434

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Gwynedd · W06000002
Electoral ward
Y Faenol · W05001568
Parish or community
W04000095
Westminster constituency
Bangor Aberconwy · W07000083
Output area
W00010669
Lower layer super output area
Gwynedd 002E · W01000102
Middle layer super output area
Gwynedd 002 · W02000011

Postcode source versions

Explore LL57

8 recorded sales at this postcode
Address Date Price
Brithdir Mawr, Bangor, LL57 4BY 3 November 2020 £540,000
Tyddyn Bach Isaf, Bangor, LL57 4BY 3 June 2014 £395,000
Wern Farm, Wern Uchaf, Bangor, LL57 4BY 21 January 2010 £113,750

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
19
Primary
0
Secondary
0
  1. Ysgol Y Faenol

    Welsh establishment

    1.1 km
  2. Ysgol Friars

    Welsh establishment

    1.7 km
  3. Ysgol Cae Top

    Welsh establishment

    1.9 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
461
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 165
  • Shoplifting 91
  • Anti social behaviour 56
  • Public order 48
  • Criminal damage and arson 35

Census 2021

Population and age profile

Postcode residents
26

12 female, 14 male

Postcode households
12
Residents per household
2.2
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

This postcode contained 0.4% of the sector's usual residents on Census Day. The age profile describes the wider LL57 4 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+
60%
Ultrafast, 100 Mbit/s+
60%
Ultrafast, 300 Mbit/s+
60%
Gigabit-capable
60%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
60%
Decent broadband available from fixed wireless
33.3%

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

  • UPCC AT YSBYTY GWYNEDD

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

    ODS code W00191

    775 m

  • BODNANT SURGERY

    MENAI AVENUE, BANGOR, LL57 2HH

    ODS code W94010

    3.0 km

  • BRON DERW MEDICAL CENTRE

    GLYNNE ROAD, BANGOR, LL57 1AH

    ODS code W94034

    3.9 km

  • GLANFA

    ORME ROAD, BANGOR, LL57 1AY

    ODS code W94040

    4.0 km

  • FELINHELI&PORTHAETHWY SU

    ROWEN, Y FELINHELI, LL56 4RX

    ODS code W94027

    4.8 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 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Tesco

    BCT · Coed Mawr

    0.3 miles
  • Lon Ty Golchi

    BCT · Penrhos Garnedd

    0.4 miles
  • Lon Ty Golchi

    BCT · Penrhos Garnedd

    0.4 miles
  • B&Q

    BCT · Bryn Llwyd

    0.4 miles
  • B&Q

    BCT · Coed Mawr

    0.5 miles

Evidence in context

Schools

19 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Y Faenol is the nearest published school at 0.7 miles.

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

Recorded crime

461 published events cover 12 months, averaging 38.417 events per published month. The largest recorded category is Violence and sexual offences with 165 events.

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