LL57 4TF

Dewi · Gwynedd · Wales

Updated September 2026

Compare this postcode

Location overview

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

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL57 4TE 73 m
LL57 4FS 96 m
LL57 4TN 112 m
LL57 4TB 147 m
LL57 4TH 162 m
Complete postcode fields and official codes
Postcode
LL57 4TF
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL57
Postcode sector
LL57 4
Latitude
53.213885
Longitude
-4.147270
British National Grid easting
256,712
British National Grid northing
370,687

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

23 recorded sales at this postcode
Address Date Price
19, Toronnen, Bangor, LL57 4TF 21 November 2025 £206,000
20, Toronnen, Bangor, LL57 4TF 8 December 2023 £145,000
38, Toronnen, Bangor, LL57 4TF 8 June 2023 £135,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
18
Primary
0
Secondary
0
  1. Ysgol Friars

    Welsh establishment

    550 m
  2. Ysgol Cae Top

    Welsh establishment

    732 m
  3. Ysgol Tryfan

    Welsh establishment

    829 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,236
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 427
  • Shoplifting 226
  • Anti social behaviour 167
  • Public order 106
  • Criminal damage and arson 92

Census 2021

Population and age profile

Postcode residents
94

50 female, 44 male

Postcode households
39
Residents per household
2.4
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 1.6% 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+
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

4

within 5 km

  • UPCC AT YSBYTY GWYNEDD

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

    ODS code W00191

    998 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

    2.5 km

  • GLANFA

    ORME ROAD, BANGOR, LL57 1AY

    ODS code W94040

    2.6 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

  • Trehwfa

    BCT · Coed Mawr

    0.1 miles
  • Coed Mawr Roundabout

    BCT · Coed Mawr

    0.1 miles
  • Bryn Llwyd

    BCT · Coed Mawr

    0.2 miles
  • Bryn Llwyd

    BCT · Bryn Llwyd

    0.2 miles
  • Top Coed Mawr

    BCT · Coed Mawr

    0.2 miles

Evidence in context

Property market

The five-year median is £145,000 from 3 recorded sales in LL57 4TF. 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

18 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Friars is the nearest published school at 550 m.

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

Recorded crime

1,236 published events cover 12 months, averaging 103 events per published month. The largest recorded category is Violence and sexual offences with 427 events.

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