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LL55 3AX

Penisa'r-waun · Gwynedd · Wales

Updated September 2026

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Location overview

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Post town
Caernarfon
Ward
Penisa'r-waun
Local authority
Gwynedd
Constituency
Dwyfor Meirionnydd
Postcode district
LL55
Postcode sector
LL55 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL55 3AY 2 m
LL55 3BB 396 m
LL55 4BP 433 m
LL55 4BS 480 m
LL55 3PS 549 m
Complete postcode fields and official codes
Postcode
LL55 3AX
Status
Current
Introduced
1 March 2015
Terminated
Not published
Postcode area
LL
Postcode district
LL55
Postcode sector
LL55 3
Latitude
53.158712
Longitude
-4.192515
British National Grid easting
253,503
British National Grid northing
364,642

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Gwynedd · W06000002
Electoral ward
Penisa'r-waun · W05001557
Parish or community
W04000070
Westminster constituency
Dwyfor Meirionnydd · W07000096
Output area
W00000509
Lower layer super output area
Gwynedd 005C · W01000099
Middle layer super output area
Gwynedd 005 · W02000014

Postcode source versions

Explore LL55

Property

View all property records
2 recorded sales at this postcode
Address Date Price
Warrior Woods, Paintball Wales, Llanddeiniolen, Caernarfon, LL55 3AX 24 November 2017 £95,000
Warrior Woods, Llanddeiniolen, Caernarfon, LL55 3AX 16 August 2017 £114,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
10
Primary
0
Secondary
0

  1. Ysgol Brynrefail

    Welsh establishment

    901 m

  2. Ysgol Gynradd Bethel

    Welsh establishment

    1.1 km

  3. Ysgol Llanrug

    Welsh establishment

    1.3 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
128
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 66
  • Anti social behaviour 29
  • Criminal damage and arson 10
  • Other theft 7
  • Public order 7

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
LL55 3 residents
2,998

Age bands in LL55 3

Wider postcode sector
Age 0 to 14
16.2%

495 residents

Age 15 to 24
11.6%

355 residents

Age 25 to 44
22.4%

682 residents

Age 45 to 64
30%

914 residents

Age 65 and over
19.8%

602 residents

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.

GP practices

1

within 5 km

  • FELINHELI&PORTHAETHWY SU

    ROWEN, Y FELINHELI, LL56 4RX

    ODS code W94027

    2.9 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

  • Crawia

    BCT · Llanrug

    0.3 miles

  • Crawia

    BCT · Llanrug

    0.3 miles

  • Capel Cysegr

    BCT · Bethel

    0.5 miles

  • Capel Cysegr

    BCT · Bethel

    0.5 miles

  • Ysgol Brynrefail

    BCT · Llanrug

    0.6 miles

Evidence in context

Schools

10 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Brynrefail is the nearest published school at 901 m.

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

Recorded crime

128 published events cover 12 months, averaging 10.667 events per published month. The largest recorded category is Violence and sexual offences with 66 events.

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