LL40 1TW

Arthog a Llangelynnin · Gwynedd · Wales

Updated September 2026

Compare this postcode

Location overview

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Local authority
Gwynedd
Constituency
Dwyfor Meirionnydd
Postcode district
LL40
Postcode sector
LL40 1

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL40 1TR 1.7 km
LL40 1TP 1.7 km
LL39 1LJ 2.0 km
LL40 1TB 2.0 km
LL39 1YP 2.2 km
Complete postcode fields and official codes
Postcode
LL40 1TW
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL40
Postcode sector
LL40 1
Latitude
52.710566
Longitude
-3.967273
British National Grid easting
267,195
British National Grid northing
314,359

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Gwynedd · W06000002
Parish or community
W04000044
Westminster constituency
Dwyfor Meirionnydd · W07000096
Output area
W00000430
Lower layer super output area
Gwynedd 017C · W01000085
Middle layer super output area
Gwynedd 017 · W02000026

Postcode source versions

Explore LL40

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
0
Primary
0
Secondary
0

Recorded crime

Within 1 mile of this postcode

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

Most recorded categories in this period

  • Anti social behaviour 1

Census 2021

Population and age profile

Postcode residents
4

2 female, 2 male

Postcode households
1
Residents per household
4.0
LL40 1 residents
2,057

Age bands in LL40 1

Wider postcode sector
Age 0 to 14
14.2%

296 residents

Age 15 to 24
10.2%

212 residents

Age 25 to 44
22.2%

461 residents

Age 45 to 64
29.4%

612 residents

Age 65 and over
24%

499 residents

This postcode contained 0.2% of the sector's usual residents on Census Day. The age profile describes the wider LL40 1 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.

Nearby transport

  • Garthangharad Hospital

    BCT · Arthog

    1.3 miles
  • Garthangharad Hospital

    BCT · Arthog

    1.3 miles
  • Graigwen

    BCT · Arthog

    1.3 miles
  • Graigwen

    BCT · Arthog

    1.4 miles
  • Capel Salem

    BCT · Arthog

    1.6 miles

Evidence in context

Schools

0 open schools are in scope, including 0 primary and 0 secondary schools.

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

Recorded crime

1 published events cover 12 months, averaging 0.083 events per published month. The largest recorded category is Anti social behaviour with 1 events.

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