Schools
11 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Hiraddug is the nearest published school at 1.0 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
LL18 5SG
Tremeirchion · Denbighshire · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Rhyl
- Ward
- Tremeirchion
- Local authority
- Denbighshire
- Constituency
- Clwyd East
- Postcode district
- LL18
- Postcode sector
- LL18 5
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- LL18 5SG
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- LL
- Postcode district
- LL18
- Postcode sector
- LL18 5
- Latitude
- 53.285903
- Longitude
- -3.404014
- British National Grid easting
- 306,497
- British National Grid northing
- 377,466
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Denbighshire · W06000004
- Electoral ward
- Tremeirchion · W05001360
- Parish or community
- W04000148
- Westminster constituency
- Clwyd East · W07000094
- Output area
- W00001332
- Lower layer super output area
- Denbighshire 008D · W01000248
- Middle layer super output area
- Denbighshire 008 · W02000049
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 LL18
Property
8 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| The Fold, Cwm Dyserth, Rhyl, LL18 5SG | 16 October 2020 | £625,000 |
| Burns Cottage, Cwm Dyserth, Rhyl, LL18 5SG | 14 March 2018 | £160,000 |
| Burns Cottage, Cwm Dyserth, Rhyl, LL18 5SG | 17 September 2013 | £130,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 11
- Primary
- 0
- Secondary
- 0
- 1.5 km
Ysgol Hiraddug
Welsh establishment
- 3.3 km
Trelawnyd V.A. School
Welsh establishment
- 3.5 km
Ysgol Melyd
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 39
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 24
- Anti social behaviour 7
- Public order 4
- Other theft 3
- Burglary 1
Census 2021
Population and age profile
- Postcode residents
- 39
- Postcode households
- 17
- Residents per household
- 2.3
- LL18 5 residents
- 9,491
20 female, 19 male
Age bands in LL18 5
Wider postcode sector- Age 0 to 14
- 15.7%
- Age 15 to 24
- 10.2%
- Age 25 to 44
- 20.9%
- Age 45 to 64
- 27.8%
- Age 65 and over
- 25.4%
1,440 residents
941 residents
1,923 residents
2,554 residents
2,337 residents
This postcode contained 0.4% of the sector's usual residents on Census Day. The age profile describes the wider LL18 5 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+
- 94.4%
- Ultrafast, 100 Mbit/s+
- 94.4%
- Ultrafast, 300 Mbit/s+
- 94.4%
- Gigabit-capable
- 94.4%
- Unable to receive decent fixed or FWA broadband
- 0%
- Next Generation Access
- 94.4%
- Decent broadband available from fixed wireless
- 94.4%
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
1
within 5 km
PEN Y BONT SURGERY
THE ROE, ST. ASAPH, LL17 0LU
ODS code W91023
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
Blue Lion
BCT · Cwm
- 0.1 miles
Council Houses
BCT · Cwm
- 0.1 miles
Blue Lion
BCT · Cwm
- 0.1 miles
Cwm Crossroads
BCT · Cwm
- 0.1 miles
Cwm Crossroads
BCT · Cwm
Evidence in context
Recorded crime
39 published events cover 12 months, averaging 3.25 events per published month. The largest recorded category is Violence and sexual offences with 24 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.