CheckNear.me

LL21

UK postcode district

Updated September 2026

District overview

Postcode units
424
Current units
368
Coordinate coverage
100%
Electoral wards
5

Coverage context

Countries represented
Wales
English regions represented
W99999999
Local authority codes
3
Terminated postcode units
56

Postcode sectors in LL21

Choose a sector to browse its complete postcode-unit directory.

3 sectors

Property

Across this district

View property report
2,336 recorded sales at this postcode
Address Date Price
Tyn-Y- Ffordd, Betws Gwerfil Goch, Corwen, LL21 9PY 21 July 2026 £465,000
Bryn Eithin, Carrog, Corwen, LL21 9AP 26 June 2026 £325,000
2, Twm Path, Glyndyfrdwy, Corwen, LL21 9BP 22 June 2026 £215,000

Schools

Across this district

View schools report
Open schools
7
Primary
0
Secondary
0

Recorded crime

Across this district

View crime report
Published events
259
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 136
  • Anti social behaviour 33
  • Criminal damage and arson 28
  • Other theft 22
  • Public order 13

Census 2021

Population and age profile

LL21 usual residents
6,388
Age-profile population
6,023

Age bands in LL21

Postcode district
Age 0 to 14
15.9%

958 residents

Age 15 to 24
8.7%

522 residents

Age 25 to 44
19.8%

1,193 residents

Age 45 to 64
30%

1,805 residents

Age 65 and over
25.7%

1,545 residents

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

The median Ofcom availability percentage across 367 current postcode units in this district. Each postcode is weighted equally, not by premises.

Superfast, 30 Mbit/s+
100%
Ultrafast, 100 Mbit/s+
87.5%
Ultrafast, 300 Mbit/s+
87.5%
Gigabit-capable
87.5%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
0%

248 postcode units had 100% superfast coverage, 170 had 100% gigabit-capable coverage, and 34 had at least some premises without decent fixed or fixed-wireless access.

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.

NHS ODS

GP practices

2

in this district

  • THE HEALTH CENTRE

    CORWEN FAMILY PRACTICE, GREEN LANE, CORWEN, LL21 0DN

    ODS code W91047

  • UWCHALED MEDICAL PRACTICE

    MEDDYGFA, CERRIGYDRUDION, CORWEN, LL21 9UB

    ODS code W00065

Organisation records, not service availability
These are records marked active in NHS England's Organisation Data Service for England and Wales. Branch surgeries, pharmacies, dentists and hospitals are not included. They do not confirm patient registration, services, opening hours, appointments or care quality. Distances are straight-line from the postcode point.

Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

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 £215,000 from 401 recorded sales in LL21. 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

7 open schools are in scope, including 0 primary and 0 secondary schools.

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

Recorded crime

Published police records

259 published events cover 12 months, averaging 21.583 events per published month. The largest recorded category is Violence and sexual offences with 136 events.

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