Property market
The five-year median is £299,950 from 1 recorded sale in LL18 6DT. This is a recorded-sale statistic, not a current valuation.
The latest UK House Price Index average for Flintshire is £213,930 in June 2026, up 1.0% year on year.
LL18 6DT
Llanasa and Trelawnyd · Flintshire · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Rhyl
- Local authority
- Flintshire
- Constituency
- Clwyd East
- Postcode district
- LL18
- Postcode sector
- LL18 6
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- LL18 6DT
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- LL
- Postcode district
- LL18
- Postcode sector
- LL18 6
- Latitude
- 53.308523
- Longitude
- -3.366663
- British National Grid easting
- 309,035
- British National Grid northing
- 379,934
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Flintshire · W06000005
- Electoral ward
- Llanasa and Trelawnyd · W05001601
- Parish or community
- W04000209
- Westminster constituency
- Clwyd East · W07000094
- Output area
- W00001817
- Lower layer super output area
- Flintshire 001C · W01000338
- Middle layer super output area
- Flintshire 001 · W02000058
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
20 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Llys Beryl, High Street, Trelawnyd, Rhyl, LL18 6DT | 24 April 2025 | £299,950 |
| Ty Cerrig, High Street, Trelawnyd, Rhyl, LL18 6DT | 16 April 2021 | £295,000 |
| Tan Y Craig, High Street, Trelawnyd, Rhyl, LL18 6DT | 22 January 2021 | £285,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 10
- Primary
- 0
- Secondary
- 0
- 241 m
Trelawnyd V.A. School
Welsh establishment
- 2.7 km
Ysgol Gynradd Trelogan
Welsh establishment
- 3.3 km
Ysgol Hiraddug
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 32
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 19
- Other theft 4
- Anti social behaviour 3
- Criminal damage and arson 3
- Burglary 1
Census 2021
Population and age profile
- Postcode residents
- 29
- Postcode households
- 13
- Residents per household
- 2.2
- LL18 6 residents
- 3,762
14 female, 15 male
Age bands in LL18 6
Wider postcode sector- Age 0 to 14
- 14.6%
- Age 15 to 24
- 9.7%
- Age 25 to 44
- 19%
- Age 45 to 64
- 30.8%
- Age 65 and over
- 25.9%
520 residents
344 residents
677 residents
1,098 residents
922 residents
This postcode contained 0.8% of the sector's usual residents on Census Day. The age profile describes the wider LL18 6 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+
- 93.3%
- Ultrafast, 100 Mbit/s+
- 93.3%
- Ultrafast, 300 Mbit/s+
- 93.3%
- Gigabit-capable
- 93.3%
- Unable to receive decent fixed or FWA broadband
- 0%
- Next Generation Access
- 93.3%
- Decent broadband available from fixed wireless
- 33.3%
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 straight-line
PARK HOUSE SURGERY
26 NANT HALL ROAD, PRESTATYN, LL19 9LN
ODS code W91028
3.7 km
HEALTHY PRESTATYN
RHUDDLAN IACH TY NANT, NANT HALL ROAD, PRESTATYN, LL19 9LG
ODS code W91009
3.8 km
UPCC AT HEALTHY PRESTATYN
TY NANT, NANT HALL ROAD, PRESTATYN, LL19 9LG
ODS code W00190
3.8 km
Nearby transport
- 0.1 miles
Trelawnyd War Memorial
BCT · Trelawnyd
- 0.1 miles
Trelawnyd War Memorial
BCT · Trelawnyd
- 0.2 miles
Trelawnyd Primary School
BCT · Trelawnyd
- 0.2 miles
Trelawnyd Primary School
BCT · Trelawnyd
- 1.2 miles
Gwaenysgor Square
BCT · Gwaenysgor
Evidence in context
Schools
10 open schools are in scope, including 0 primary and 0 secondary schools. Trelawnyd V.A. School is the nearest published school at 241 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
32 published events cover 12 months, averaging 2.667 events per published month. The largest recorded category is Violence and sexual offences with 19 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.