Schools
11 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Y Gelli is the nearest published school at 950 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
LL55 1TW
Menai · Gwynedd · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Caernarfon
- Ward
- Menai
- Local authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd
- Postcode district
- LL55
- Postcode sector
- LL55 1
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- LL55 1TW
- Status
- Current
- Introduced
- 1 March 2023
- Terminated
- Not published
- Postcode area
- LL
- Postcode district
- LL55
- Postcode sector
- LL55 1
- Latitude
- 53.157320
- Longitude
- -4.257841
- British National Grid easting
- 249,131
- British National Grid northing
- 364,623
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Gwynedd · W06000002
- Electoral ward
- Menai · W05001551
- Parish or community
- W04000056
- Westminster constituency
- Dwyfor Meirionnydd · W07000096
- Output area
- W00000474
- Lower layer super output area
- Gwynedd 006B · W01000093
- Middle layer super output area
- Gwynedd 006 · W02000015
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
1 recorded
sale at this postcode
| Address | Date | Price |
|---|---|---|
| Plas Brereton, Bangor Road, Caernarfon, LL55 1TW | 15 April 2015 | £591,146 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 11
- Primary
- 0
- Secondary
- 0
- 950 m
Ysgol Y Gelli
Welsh establishment
- 1.3 km
Ysgol Syr Hugh Owen
Welsh establishment
- 1.8 km
Ysgol Gynradd Maesincla
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 146
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 64
- Anti social behaviour 23
- Criminal damage and arson 17
- Other theft 9
- Public order 9
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%
- Age 15 to 24
- 10%
- Age 25 to 44
- 23.7%
- Age 45 to 64
- 25.8%
- Age 65 and over
- 24%
894 residents
543 residents
1,282 residents
1,400 residents
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+
- 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.
GP practices
4
within 5 km
PRIMARY CARE CS
ERYLDON, CAMPBELL ROAD, CAERNARFON, LL55 1HU
ODS code W00209
1.4 km
MEDDYGFA HAFAN
DOC FICTORIA, CAERNARFON, LL55 1TH
ODS code W94030
1.8 km
FELINHELI&PORTHAETHWY SU
ROWEN, Y FELINHELI, LL56 4RX
ODS code W94027
3.7 km
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
- 0.2 miles
Tal Menai
BCT · Waterloo Port
- 0.2 miles
Tal Menai
BCT · Waterloo Port
- 0.3 miles
Ffordd Bangor
BCT · Waterloo Port
- 0.4 miles
Ffordd Bangor
BCT · Waterloo Port
- 0.5 miles
Waterloo Port
BCT · Waterloo Port
Evidence in context
Recorded crime
146 published events cover 12 months, averaging 12.167 events per published month. The largest recorded category is Violence and sexual offences with 64 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.