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LL57 4NR

Tre-garth a Mynydd Llandygái · Gwynedd · Wales

Updated September 2026

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Location overview

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Post town
Bangor
Ward
Tre-garth a Mynydd Llandygái
Local authority
Gwynedd
Constituency
Bangor Aberconwy
Postcode district
LL57
Postcode sector
LL57 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL57 4NP 313 m
LL57 4AJ 352 m
LL57 3LT 401 m
LL57 3LU 453 m
LL57 4NN 467 m
Complete postcode fields and official codes
Postcode
LL57 4NR
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL57
Postcode sector
LL57 4
Latitude
53.183199
Longitude
-4.077877
British National Grid easting
261,246
British National Grid northing
367,137

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Gwynedd · W06000002
Electoral ward
Tre-garth a Mynydd Llandygái · W05001563
Parish or community
W04000073
Westminster constituency
Bangor Aberconwy · W07000083
Output area
W00000597
Lower layer super output area
Gwynedd 003E · W01000115
Middle layer super output area
Gwynedd 003 · W02000012

Postcode source versions

Explore LL57

Property

View all property records
1 recorded sale at this postcode
Address Date Price
Ty'n Clwt Isaf, Tregarth, Bangor, LL57 4NR 23 December 2020 £249,999

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
8
Primary
0
Secondary
0

  1. Ysgol Dyffryn Ogwen Bethesda

    Welsh establishment

    873 m

  2. Ysgol Tregarth

    Welsh establishment

    961 m

  3. Ysgol Gynradd Llanllechid

    Welsh establishment

    1.0 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
313
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 157
  • Anti social behaviour 53
  • Criminal damage and arson 27
  • Public order 20
  • Other theft 19

Census 2021

Population and age profile

Postcode residents
2

1 female, 1 male

Postcode households
1
Residents per household
2.0
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% 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+
0%
Ultrafast, 300 Mbit/s+
0%
Gigabit-capable
0%
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

1

within 5 km

  • CANOLFAN FEDDYGOL YR HEN

    STATION ROAD, BETHESDA, BANGOR, LL57 3NE

    ODS code W94028

    711 m

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

  • Dol-goch

    BCT · Bethesda

    0.2 miles

  • Dol-goch

    BCT · Bethesda

    0.2 miles

  • Meifod

    BCT · Bethesda

    0.3 miles

  • Meifod

    BCT · Bethesda

    0.3 miles

  • Brynbella Cottage

    BCT · Rachub

    0.3 miles

Evidence in context

Schools

8 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Dyffryn Ogwen Bethesda is the nearest published school at 873 m.

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

Recorded crime

313 published events cover 12 months, averaging 26.083 events per published month. The largest recorded category is Violence and sexual offences with 157 events.

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