LL55 1AY

Canol Tref Caernarfon · Gwynedd · Wales

Updated September 2026

Compare this postcode

Location overview

Drag to pan. Use + or - to zoom. Open larger map
Post town
Caernarfon
Local authority
Gwynedd
Constituency
Dwyfor Meirionnydd
Postcode district
LL55
Postcode sector
LL55 1

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL55 1AR 85 m
LL55 1TD 125 m
LL55 1TB 132 m
LL55 1BW 140 m
LL55 1SY 145 m
Complete postcode fields and official codes
Postcode
LL55 1AY
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL55
Postcode sector
LL55 1
Latitude
53.142508
Longitude
-4.272704
British National Grid easting
248,085
British National Grid northing
363,007

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Gwynedd · W06000002
Parish or community
W04000056
Westminster constituency
Dwyfor Meirionnydd · W07000096
Output area
W00000476
Lower layer super output area
Gwynedd 006B · W01000093
Middle layer super output area
Gwynedd 006 · W02000015

Postcode source versions

Explore LL55

1 recorded sale at this postcode
Address Date Price
The Celtic Royal Hotel, Bangor Street, Caernarfon, LL55 1AY 20 December 2024 £3,200,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
8
Primary
0
Secondary
0
  1. Ysgol Santes Helen

    Welsh establishment

    186 m
  2. Ysgol Pendalar

    Welsh establishment

    563 m
  3. Ysgol Syr Hugh Owen

    Welsh establishment

    709 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,522
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 586
  • Anti social behaviour 234
  • Shoplifting 198
  • Criminal damage and arson 135
  • Public order 104

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
LL55 1 residents
5,346

Age bands in LL55 1

Wider postcode sector
Age 0 to 14
16.5%

894 residents

Age 15 to 24
10%

543 residents

Age 25 to 44
23.7%

1,282 residents

Age 45 to 64
25.8%

1,400 residents

Age 65 and over
24%

1,298 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.

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

3

within 5 km

  • MEDDYGFA HAFAN

    DOC FICTORIA, CAERNARFON, LL55 1TH

    ODS code W94030

    275 m

  • PRIMARY CARE CS

    ERYLDON, CAMPBELL ROAD, CAERNARFON, LL55 1HU

    ODS code W00209

    598 m

  • THE HEALTH CENTRE

    DWYRAN, LLANFAIRPWLLGWYNGYLL, LL61 6YD

    ODS code W94015

    4.2 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

  • Asda C

    BCT · Caernarfon

    0.0 miles
  • Asda B

    BCT · Caernarfon

    0.0 miles
  • Asda A

    BCT · Caernarfon

    0.0 miles
  • Turf Square

    BCT · Caernarfon

    0.1 miles
  • Victoria Dock

    BCT · Caernarfon

    0.1 miles

Evidence in context

Property market

The five-year median is £3,200,000 from 1 recorded sale in LL55 1AY. 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

8 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Santes Helen is the nearest published school at 186 m.

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

Recorded crime

1,522 published events cover 12 months, averaging 126.833 events per published month. The largest recorded category is Violence and sexual offences with 586 events.

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