CH7 4BY

Alyn Valley · Denbighshire · Wales

Updated September 2026

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Location overview

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Post town: Mold
Ward: Alyn Valley
Local authority: Denbighshire
Constituency: Clwyd East
Postcode district: CH7
Postcode sector: CH7 4

Nearby postcodes

Nearby postcode distances
Postcode	Distance
CH7 4BX	64 m
CH7 4BF	81 m
CH7 4BT	112 m
CH7 4DA	262 m
CH7 4DJ	378 m

Complete postcode fields and official codes

Postcode: CH7 4BY
Status: Current
Introduced: 1 January 1980
Terminated: Not published
Postcode area: CH
Postcode district: CH7
Postcode sector: CH7 4
Latitude: 53.112468
Longitude: -3.191850
British National Grid easting: 320,319
British National Grid northing: 357,916

Statistical and administrative geographies

Country: Wales · W92000004
Region: W99999999
Local authority district: Denbighshire · W06000004
Electoral ward: Alyn Valley · W05001332
Parish or community: W04000157
Westminster constituency: Clwyd East · W07000094
Output area: W00001082
Lower layer super output area: Denbighshire 013A · W01000203
Middle layer super output area: Denbighshire 013 · W02000054

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 CH7

Use the wider postcode district to compare the same evidence across more locations.

Property

At this postcode

View all property records

8 recorded sales at this postcode

Address	Date	Price
20, Caer Odyn, Eryrys, Mold, CH7 4BY	22 August 2022	£140,000
20, Caer Odyn, Eryrys, Mold, CH7 4BY	7 June 2017	£110,000
21, Caer Odyn, Eryrys, Mold, CH7 4BY	4 November 2013	£115,000

Schools

Within 3.1 miles of this postcode

View all nearby schools

Open schools: 5
Primary: 0
Secondary: 0

Ysgol Bro Fammau

Welsh establishment
1.1 km
Nercwys CIW Voluntary Aided Primary School

Welsh establishment
4.8 km
Ysgol Parc Y Llan

Welsh establishment
5.0 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records

Published events: 11
Months covered: 12
Latest month: June 2026

Most recorded categories in this period

Violence and sexual offences 6
Anti social behaviour 3
Public order 1
Criminal damage and arson 1

Census 2021

Population and age profile

Postcode residents: 62
Postcode households: 24
Residents per household: 2.6
CH7 4 residents: 6,308

Age bands in CH7 4

Wider postcode sector

Age 0 to 14: 15.1%
Age 15 to 24: 9.3%
Age 25 to 44: 20.5%
Age 45 to 64: 31.1%
Age 65 and over: 24%

This postcode contained 1% of the sector's usual residents on Census Day. The age profile describes the wider CH7 4 sector, not people in this individual postcode.

How to read these estimates

The standard postcode headcounts and the commissioned age table are separate ONS outputs. Small counts are disclosure-controlled, and totals can differ slightly between tables. Coverage is England and Wales only.

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: 0%

Coverage is a modelled postcode-level snapshot, not a speed test or a guarantee for a named property. Check availability with providers before making a decision. Ofcom does not publish postcode-level full-fibre coverage in this release for commercial-confidentiality reasons.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

Nearby transport

Sun Inn

BCT · Erryrys
0.1 miles
The Sun Inn

BCT · Erryrys
0.1 miles
Bryn-hyfryd

BCT · Nant
0.9 miles
Bryn-hyfryd

BCT · Nant
0.9 miles
Clover Grange

BCT · Bryn-yr-ogof
1.1 miles

Evidence in context

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Property market

Recorded sales

The five-year median is £140,000 from 1 recorded sale in CH7 4BY. 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

Published establishments

5 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Bro Fammau is the nearest published school at 0.7 miles.

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

Recorded crime

Published police records

11 published events cover 12 months, averaging 0.917 events per published month. The largest recorded category is Violence and sexual offences with 6 events.

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