Schools
8 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Santes Helen is the nearest published school at 473 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
LL55 2NN
Canol Tref Caernarfon · Gwynedd · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Caernarfon
- Local authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd
- Postcode district
- LL55
- Postcode sector
- LL55 2
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- LL55 2NN
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- LL
- Postcode district
- LL55
- Postcode sector
- LL55 2
- Latitude
- 53.139184
- Longitude
- -4.274921
- British National Grid easting
- 247,925
- British National Grid northing
- 362,642
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Gwynedd · W06000002
- Electoral ward
- Canol Tref Caernarfon · W05001519
- Parish or community
- W04000056
- Westminster constituency
- Dwyfor Meirionnydd · W07000096
- Output area
- W00000564
- Lower layer super output area
- Gwynedd 007C · W01000111
- Middle layer super output area
- Gwynedd 007 · W02000016
Postcode source versions
- Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
- Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
- Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence
Explore LL55
Property
5 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| 36, Castle Square, Caernarfon, LL55 2NN | 25 May 2018 | £249,000 |
| Dental Surgery, 35, Castle Square, Caernarfon, LL55 2NN | 1 July 2016 | £285,000 |
| 32, Castle Square, Caernarfon, LL55 2NN | 31 January 2007 | £217,375 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 8
- Primary
- 0
- Secondary
- 0
- 473 m
Ysgol Santes Helen
Welsh establishment
- 545 m
Ysgol Pendalar
Welsh establishment
- 888 m
Ysgol Yr Hendre
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 1,514
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 584
- Anti social behaviour 230
- Shoplifting 198
- Criminal damage and arson 131
- Public order 103
Census 2021
Population and age profile
- Postcode residents
- 1
- Postcode households
- 1
- Residents per household
- 1.0
- LL55 2 residents
- 7,016
0 female, 1 male
Age bands in LL55 2
Wider postcode sector- Age 0 to 14
- 19.8%
- Age 15 to 24
- 11.2%
- Age 25 to 44
- 25.4%
- Age 45 to 64
- 24.5%
- Age 65 and over
- 19.1%
1,348 residents
763 residents
1,733 residents
1,672 residents
1,302 residents
This postcode contained 0% of the sector's usual residents on Census Day. The age profile describes the wider LL55 2 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+
- 28.6%
- Ultrafast, 300 Mbit/s+
- 28.6%
- Gigabit-capable
- 28.6%
- Unable to receive decent fixed or FWA broadband
- 0%
- Next Generation Access
- 100%
- Decent broadband available from fixed wireless
- 100%
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
597 m
PRIMARY CARE CS
ERYLDON, CAMPBELL ROAD, CAERNARFON, LL55 1HU
ODS code W00209
976 m
THE HEALTH CENTRE
DWYRAN, LLANFAIRPWLLGWYNGYLL, LL61 6YD
ODS code W94015
4.3 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
- 0.1 miles
Caernarfon Bus Station Stand A
BCS · Caernarfon
- 0.1 miles
Caernarfon Bus Station Stand B
BCS · Caernarfon
- 0.1 miles
Turf Square
BCT · Caernarfon
- 0.1 miles
Caernarfon Bus Station Stand C
BCS · Caernarfon
- 0.2 miles
Eagle Hotel
BCT · Caernarfon
Evidence in context
Recorded crime
1,514 published events cover 12 months, averaging 126.167 events per published month. The largest recorded category is Violence and sexual offences with 584 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.