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LL57 3YG

POSTCODE

LL57 3YG is a postcode in Arllechwedd.

Small user postcodeQuality indicator 1 (highest positional precision)Updated 2026-08-01
Coordinates
53.2143, -4.0836
OS grid SH609706 (260,964, 370,612)
WIMD 2025
6/10
#1052
Crime · Aug '26
Around average · 8.2 per 1k
MoM -6% vs Jul '26
Plus Code
9C5Q6W78+PH
Least deprived 40⁠–⁠50%
WIMD 2025
Around average · 8.2 per 1k
Crime · Aug '26
Wales
Region

Deprivation Index (IMD)

WIMD 2025 (Wales-only ranking)
Wales-only ranking. Rank 1 is the most deprived of 1,917 Welsh LSOAs. Not comparable with the English Index of Multiple Deprivation.
Decile 6 — Least deprived 40–50%
1052
Rank out of 1,917
1 - Most deprived10 - Least deprived
Income
1131
Employment
1306
Health
1550
Education
1175
Access to services
259
Housing
229
Community safety
994
Physical environment
938

gov.wales · Open Government Licence v3.0

Household income (MSOA)

Average household income for the neighbourhood (MSOA) around this postcode, financial year ending March 2023

Financial year ending March 2023 · MSOA 2021 · Gwynedd 003 (W02000012)

This is the published estimate for the MSOA that contains this postcode (about 2,000–6,000 households). It describes the neighbourhood around the postcode. England and Wales only.

Total annual household income
£45,959

£39,143–£53,963

Disposable (net) annual household income
£36,273

£31,450–£41,836

Disposable (net) annual household income before housing costs (equivalised)
£34,979

£32,325–£37,850

Disposable (net) annual household income after housing costs (equivalised)
£30,363

£26,561–£34,710

Source: Office for National Statistics. Income estimates for small areas, England and Wales, financial year ending 2023.

Income estimates for small areas, England and Wales · Open Government Licence v3.0

Property sales (Land Registry)

England & Wales
See sold prices in LL57

Police Recorded Crime near LL57 3YG

England & Wales
Crime trends · near LL57 3YG

Counts are for Arllechwedd electoral ward, not a 1-mile police.uk street search around this postcode.

data.police.uk · YoY vs same month last year · per 1,000 residents (Census 2021)Sep '24 – Aug '26
Key categories · YoY
Violent Crime
5
YoY -50%
1050
Sep '24Mar '25Sep '25Mar '26Aug '26
ASB
3
YoY —
530
Sep '24Mar '25Sep '25Mar '26Aug '26
Vehicle Crime
0
YoY —
210
Sep '24Mar '25Sep '25Mar '26Aug '26
Burglary
0
YoY —
110
Sep '24Mar '25Sep '25Mar '26Aug '26
Criminal damage
2
YoY —
320
Sep '24Mar '25Sep '25Mar '26Aug '26
Other recorded crime
6
YoY —
950
Sep '24Mar '25Sep '25Mar '26Aug '26

1 of 6 key categories improving

16
incidents · Aug '26

Demographics (LSOA 2021 context)

Ethnicity

Total residents: 1,441
White Brit.90.8%
Other White3.8%
Other ethnic group: Arab2.4%
White Irish0.8%
White & Asian0.3%
+ 9 other groups · 1.9%

Religion

Total residents: 1,439
Christian45.3%
No religion42.3%
Not answered7.4%
Muslim2.4%
Other religion1.3%
+ 3 other religions · 1.3%

Age groups

Total residents: 1,437
50–6424.3%
35–4917.2%
65–7414.0%
25–3410.6%
75–846.9%
+ 6 other age groups · 27.1%

Households

Total households: 604
One person: aged 66+15.4%
One person: other15.2%
Single family household, all members 66+12.2%
Married or civil partnership couple: Dependent children11.1%
Married or civil partnership couple: No children11.1%
+ 9 other households · 34.9%

Getting around

Straight-line distance from this postcode. Walking time is approximate.

Stations

  • Bangor (Gwynedd) Rail Station

    Rail · East Entrance

    3.6 km straight lineabout 45 min

  • Llanfairfechan Rail Station

    Rail · North Entrance

    8.2 km straight lineabout 103 min

  • Llanfairpwll Rail Station

    Rail

    8.4 km straight lineabout 105 min

Bus stops

  • Talybont

    Bus · before · south-east

    421 m straight lineabout 5 min

  • Eglwys St Cross

    Bus · after · west

    424 m straight lineabout 5 min

  • Talybont

    Bus · before · north-west

    434 m straight lineabout 5 min

  • Eglwys St Cross

    Bus · after · east

    441 m straight lineabout 6 min

  • Castell Penrhyn

    Bus · opp · north-west

    665 m straight lineabout 8 min

Coordinates & Location for LL57 3YG

Wales
Country
Gwynedd
Local Authority
Arllechwedd
Ward
Bangor and Holyhead
Travel to Work
TTWA
Postcode
LL57 3YG
Coordinates
53.2143, -4.0836
Grid reference
SH609706
Easting
260,964
Northing
370,612
Region
Wales
Plus Code
9C5Q6W78+PH
User Type
Small user postcode
Grid Quality
Quality indicator 1 (highest positional precision)
Built Up Area
Unknown
Travel to Work
Bangor and Holyhead
ITL Region
Gwynedd
National Park
Non-National Park

Administrative Information

Gwynedd
Local Authority
Council Area
Bangor Aberconwy W07000083
Constituency
W07000083
North Wales
Police Force
Wales
Ward
Arllechwedd
Constituency code
W07000083
EU Electoral Region
Wales
Parish
Llanllechid
International Territorial Level
Gwynedd

Health & NHS

Betsi Cadwaladr University Health Board
Health Authority
Serving (pseudo) Wales
NHS Wales
Wales
Cancer Alliance
National
Health Authority
Betsi Cadwaladr University Health Board
NHS Region
Wales
Integrated Care Board
Wales
Primary Care Org
Betsi Cadwaladr University Health Board
Sub ICB Location
Betsi Cadwaladr University
Cancer Alliance
Wales

Statistical Areas

LSOA 2021
Super Output Area
Gwynedd 003A W01000050
W01000050
MSOA 2021
Mid Super Output
Gwynedd 003 W02000012
W02000012
LSOA 2011
Super Output Area
Gwynedd 003A W01000050
W01000050
MSOA 2011
Mid Super Output
Gwynedd 003 W02000012
W02000012
Smaller rural: Further from a major town or city
Rural/Urban Classification 2021
2001 Classification
(England/Wales) Hamlet and Isolated Dwelling – less sparse: OA falls within the Hamlet and Isolated Dwelling category and the wider surrounding area is less sparsely populated 8
2011 Classification
(England/Wales) Rural hamlet and isolated dwellings F1
2021 Classification
Smaller rural: Further from a major town or city RSF1

Sun & Time Information

7:57 AM6:03 PM
7:57 AM
Sunrise
6:03 PM
Sunset
10 hours 6 minutes of daylight today
Sunrise (today)
7:57 AM
Sunset (today)
6:03 PM
Daylight duration
10 hours 6 minutes
Time zone
GMT / BST (UTC +0 / +1)

Postcode History

January 1980
First Introduced
Active from
Not terminated
Usage Ended
Terminated
~46 years
Active Duration
1980 -> Present
January 1980 — Introduced
Postcode LL57 3YG introduced by Royal Mail.
2001 — Census Classification
2001 Rural/Urban Classification: (England/Wales) Hamlet and Isolated Dwelling – less sparse: OA falls within the Hamlet and Isolated Dwelling category and the wider surrounding area is less sparsely populated 8
2011 — Reclassified
2011 Rural/Urban Classification: (England/Wales) Rural hamlet and isolated dwellings F1.
2021 — Census Update
2021 Census classification: Smaller rural: Further from a major town or city RSF1. LSOA W01000050 and MSOA W02000012 assigned.
2025 — Indices of Deprivation
WIMD 2025 rank: 1052
Present — Active
Postcode LL57 3YG is currently active and in use.
First introduced
January 1980
Usage ended
Not terminated
Active duration
~46 years
Last updated
2026-08-01
Current status
Live

School applications

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Apply for a primary place via Gwynedd
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Explore the full Gwynedd
See local data, transport links, deprivation trends and more for the broader area — all in one place.
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