CH8 9AU

Mostyn · Flintshire · Wales

Updated September 2026

Compare this postcode

Location overview

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Ward: Mostyn
Local authority: Flintshire
Constituency: Clwyd East
Postcode district: CH8
Postcode sector: CH8 9

Nearby postcodes

Nearby postcode distances
Postcode	Distance
CH8 9AS	51 m
CH8 9AW	76 m
CH8 9AY	132 m
CH8 9AZ	215 m
CH8 9AN	557 m

Complete postcode fields and official codes

Postcode: CH8 9AU
Status: Terminated
Introduced: 1 January 1980
Terminated: 1 December 1983
Postcode area: CH
Postcode district: CH8
Postcode sector: CH8 9
Latitude: 53.307251
Longitude: -3.292107
British National Grid easting: 314,000
British National Grid northing: 379,700

Statistical and administrative geographies

Country: Wales · W92000004
Region: W99999999
Local authority district: Flintshire · W06000005
Electoral ward: Mostyn · W05001607
Parish or community: W04000198
Westminster constituency: Clwyd East · W07000094
Output area: W00001718
Lower layer super output area: Flintshire 002B · W01000320
Middle layer super output area: Flintshire 002 · W02000059

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 CH8

Schools

Within 3.1 miles of this postcode

View all nearby schools

Open schools: 6
Primary: 0
Secondary: 0

Ysgol Y Llan, Whitford V.P.

Welsh establishment
1.6 km
Ysgol Bryn Pennant C.P.

Welsh establishment
2.1 km
Ysgol Gynradd Trelogan

Welsh establishment
2.3 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records

Published events: 5
Months covered: 12
Latest month: June 2026

Most recorded categories in this period

Anti social behaviour 3
Vehicle crime 1
Violence and sexual offences 1

Census 2021

Population and age profile

Postcode residents: Not supplied
Postcode households: Not supplied
Residents per household: Not available
CH8 9 residents: 5,586

Age bands in CH8 9

Wider postcode sector

Age 0 to 14: 14.7%
Age 15 to 24: 10.4%
Age 25 to 44: 20.2%
Age 45 to 64: 31.5%
Age 65 and over: 23.2%

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.

Nearby transport

Tre-Mostyn

BCT · Tre-Mostyn
0.1 miles
Tre-Mostyn

BCT · Tre-Mostyn
0.1 miles
Plas-ucha-bach

BCT · Tre-Mostyn
0.3 miles
Plas-ucha-bach

BCT · Tre-Mostyn
0.3 miles
Bothy Cottage

BCT · Tre-Mostyn
0.9 miles

Evidence in context

Schools

6 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Y Llan, Whitford V.P. is the nearest published school at 1.0 miles.

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

Recorded crime

5 published events cover 12 months, averaging 0.417 events per published month. The largest recorded category is Anti social behaviour with 3 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.