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LL57 3TB

Gerlan · Gwynedd · Wales

Updated September 2026

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Location overview

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Post town
Bangor
Ward
Gerlan
Local authority
Gwynedd
Constituency
Bangor Aberconwy
Postcode district
LL57
Postcode sector
LL57 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL57 3TA 89 m
LL57 3SN 106 m
LL57 3SW 136 m
LL57 3SR 149 m
LL57 3PJ 169 m
Complete postcode fields and official codes
Postcode
LL57 3TB
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL57
Postcode sector
LL57 3
Latitude
53.180141
Longitude
-4.052018
British National Grid easting
262,964
British National Grid northing
366,747

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Gwynedd · W06000002
Electoral ward
Gerlan · W05001534
Parish or community
W04000049
Westminster constituency
Bangor Aberconwy · W07000083
Output area
W00000367
Lower layer super output area
Gwynedd 003B · W01000071
Middle layer super output area
Gwynedd 003 · W02000012

Postcode source versions

Explore LL57

Use the wider postcode district to compare the same evidence across more locations.

Property

At this postcode

View all property records
13 recorded sales at this postcode
Address Date Price
2, Glanrafon, Carneddi, Bangor, LL57 3TB 3 June 2026 £145,000
6, Glanrafon, Carneddi, Bangor, LL57 3TB 28 February 2025 £117,500
3, Glanrafon, Carneddi, Bangor, LL57 3TB 24 January 2025 £50,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
6
Primary
0
Secondary
0

  1. Ysgol Abercaseg

    Welsh establishment

    349 m

  2. Ysgol Pen-y-bryn

    Welsh establishment

    373 m

  3. Ysgol Dyffryn Ogwen Bethesda

    Welsh establishment

    903 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
347
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 163
  • Anti social behaviour 56
  • Criminal damage and arson 31
  • Public order 29
  • Other theft 19

Census 2021

Population and age profile

Postcode residents
10

4 female, 6 male

Postcode households
7
Residents per household
1.4
LL57 3 residents
5,563

Age bands in LL57 3

Wider postcode sector
Age 0 to 14
17.8%

989 residents

Age 15 to 24
11.3%

627 residents

Age 25 to 44
25%

1,390 residents

Age 45 to 64
28.2%

1,570 residents

Age 65 and over
17.8%

989 residents

This postcode contained 0.2% of the sector's usual residents on Census Day. The age profile describes the wider LL57 3 sector, not people in this individual postcode.

How to read these estimates
The standard postcode headcounts and the commissioned age table are separate ONS outputs. Small counts are disclosure-controlled, and totals can differ slightly between tables. Coverage is England and Wales only.

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%
Coverage is a modelled postcode-level snapshot, not a speed test or a guarantee for a named property. Check availability with providers before making a decision. Ofcom does not publish postcode-level full-fibre coverage in this release for commercial-confidentiality reasons.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

NHS ODS

GP practices

1

within 5 km

  • CANOLFAN FEDDYGOL YR HEN

    STATION ROAD, BETHESDA, BANGOR, LL57 3NE

    ODS code W94028

    1.1 km

Organisation records, not service availability
These are records marked active in NHS England's Organisation Data Service for England and Wales. Branch surgeries, pharmacies, dentists and hospitals are not included. They do not confirm patient registration, services, opening hours, appointments or care quality. Distances are straight-line from the postcode point.

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

Nearby transport

  • Tan Treflys

    BCT · Gerlan

    0.1 miles

  • Braichmelyn

    BCT · Gerlan

    0.1 miles

  • Adwy'r Nant

    BCT · Bethesda

    0.2 miles

  • Adwy'r Nant

    BCT · Bethesda

    0.2 miles

  • Ysgol Penybryn

    BCT · Penybryn

    0.2 miles

Evidence in context

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Property market

Recorded sales

The five-year median is £85,000 from 5 recorded sales in LL57 3TB. 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

Published establishments

6 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Abercaseg is the nearest published school at 349 m.

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

Recorded crime

Published police records

347 published events cover 12 months, averaging 28.917 events per published month. The largest recorded category is Violence and sexual offences with 163 events.

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