LL18 5SF

Tremeirchion · Denbighshire · Wales

Updated September 2026

Compare this postcode

Location overview

Drag to pan. Use + or - to zoom. Open larger map
Post town
Rhyl
Local authority
Denbighshire
Constituency
Clwyd East
Postcode district
LL18
Postcode sector
LL18 5

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL18 5SH 170 m
LL18 5SG 574 m
LL18 5SL 640 m
LL18 5SN 679 m
LL18 6HU 793 m
Complete postcode fields and official codes
Postcode
LL18 5SF
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL18
Postcode sector
LL18 5
Latitude
53.284191
Longitude
-3.395887
British National Grid easting
307,035
British National Grid northing
377,265

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Denbighshire · W06000004
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

Explore LL18

9 recorded sales at this postcode
Address Date Price
Bwlch Cottage, Cwm Dyserth, Rhyl, LL18 5SF 7 February 2025 £230,000
Petermar, Cwm Dyserth, Rhyl, LL18 5SF 22 September 2023 £345,000
Bwlch Cottage, Cwm Dyserth, Rhyl, LL18 5SF 10 February 2023 £205,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
10
Primary
0
Secondary
0
  1. Ysgol Hiraddug

    Welsh establishment

    2.0 km
  2. Trelawnyd V.A. School

    Welsh establishment

    3.1 km
  3. Ysgol Melyd

    Welsh establishment

    3.8 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
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
10

4 female, 6 male

Postcode households
6
Residents per household
1.7
LL18 5 residents
9,491

Age bands in LL18 5

Wider postcode sector
Age 0 to 14
15.7%

1,440 residents

Age 15 to 24
10.2%

941 residents

Age 25 to 44
20.9%

1,923 residents

Age 45 to 64
27.8%

2,554 residents

Age 65 and over
25.4%

2,337 residents

This postcode contained 0.1% 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+
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
85.7%

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

    4.6 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

  • Blue Lion

    BCT · Cwm

    0.3 miles
  • Blue Lion

    BCT · Cwm

    0.3 miles
  • Council Houses

    BCT · Cwm

    0.4 miles
  • Cwm Crossroads

    BCT · Cwm

    0.5 miles
  • Cwm Crossroads

    BCT · Cwm

    0.5 miles

Evidence in context

Property market

The five-year median is £230,000 from 3 recorded sales in LL18 5SF. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Denbighshire is £198,995 in June 2026, up 3.6% year on year.

Schools

10 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Hiraddug is the nearest published school at 1.2 miles.

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

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.