Schools
8 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Hiraddug is the nearest published school at 1.4 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
LL18 5SN
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 5SN
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- LL
- Postcode district
- LL18
- Postcode sector
- LL18 5
- Latitude
- 53.279644
- Longitude
- -3.402669
- British National Grid easting
- 306,573
- British National Grid northing
- 376,768
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
5 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Bryncoed, Rhuallt Road, Cwm Dyserth, Rhyl, LL18 5SN | 28 October 2019 | £370,000 |
| Bryn Mawr, Rhuallt Road, Cwm Dyserth, Rhyl, LL18 5SN | 30 August 2019 | £300,000 |
| Bryncoed, Rhuallt Road, Cwm Dyserth, Rhyl, LL18 5SN | 13 April 2015 | £255,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 8
- Primary
- 0
- Secondary
- 0
- 2.2 km
Ysgol Hiraddug
Welsh establishment
- 3.5 km
Fairholme Prep. School
Welsh establishment
- 3.6 km
Ysgol Uwchradd Glan Clwyd
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 7
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 4
- Other theft 2
- Anti social behaviour 1
Census 2021
Population and age profile
- Postcode residents
- 24
- Postcode households
- 10
- Residents per household
- 2.4
- LL18 5 residents
- 9,491
13 female, 11 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 0.3% 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+
- 90%
- Ultrafast, 100 Mbit/s+
- 90%
- Ultrafast, 300 Mbit/s+
- 90%
- Gigabit-capable
- 90%
- Unable to receive decent fixed or FWA broadband
- 0%
- Next Generation Access
- 90%
- 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
1
within 5 km
PEN Y BONT SURGERY
THE ROE, ST. ASAPH, LL17 0LU
ODS code W91023
4.0 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
- 0.4 miles
Blue Lion
BCT · Cwm
- 0.4 miles
Council Houses
BCT · Cwm
- 0.4 miles
Blue Lion
BCT · Cwm
- 0.4 miles
Cwm Crossroads
BCT · Cwm
- 0.4 miles
Cwm Crossroads
BCT · Cwm
Evidence in context
Recorded crime
7 published events cover 12 months, averaging 0.583 events per published month. The largest recorded category is Violence and sexual offences with 4 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.