LL21 0BB

Edeirnion · Denbighshire · Wales

Updated September 2026

Compare this postcode

Location overview

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Post town
Corwen
Local authority
Denbighshire
Constituency
Dwyfor Meirionnydd
Postcode district
LL21
Postcode sector
LL21 0

Nearby postcodes

Nearby postcode distances
Postcode Distance
LL21 0BA 59 m
LL21 0AL 62 m
LL21 0AH 72 m
LL21 0AY 77 m
LL21 0AN 89 m
Complete postcode fields and official codes
Postcode
LL21 0BB
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL21
Postcode sector
LL21 0
Latitude
52.980124
Longitude
-3.375714
British National Grid easting
307,730
British National Grid northing
343,415

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Denbighshire · W06000004
Electoral ward
Edeirnion · W05001337
Parish or community
W04000147
Westminster constituency
Dwyfor Meirionnydd · W07000096
Output area
W00001030
Lower layer super output area
Denbighshire 015A · W01000193
Middle layer super output area
Denbighshire 015 · W02000056

Postcode source versions

Explore LL21

8 recorded sales at this postcode
Address Date Price
4, Mount Terrace, Corwen, LL21 0BB 23 July 2025 £93,000
5, Mount Terrace, Corwen, LL21 0BB 25 March 2020 £54,000
Arfryn, 7, Mount Terrace, Corwen, LL21 0BB 15 December 2017 £108,500

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
3
Primary
0
Secondary
0
  1. Ysgol Caer Drewyn

    Welsh establishment

    1.1 km
  2. Ysgol Bro Elwern

    Welsh establishment

    3.1 km
  3. Ysgol Gynradd Carrog

    Welsh establishment

    3.6 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
114
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 68
  • Anti social behaviour 14
  • Criminal damage and arson 13
  • Public order 6
  • Other theft 5

Census 2021

Population and age profile

Postcode residents
9

4 female, 5 male

Postcode households
6
Residents per household
1.5
LL21 0 residents
2,852

Age bands in LL21 0

Wider postcode sector
Age 0 to 14
16.1%

379 residents

Age 15 to 24
8.9%

209 residents

Age 25 to 44
20.2%

477 residents

Age 45 to 64
30.5%

720 residents

Age 65 and over
24.4%

575 residents

This postcode contained 0.3% of the sector's usual residents on Census Day. The age profile describes the wider LL21 0 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+
0%
Ultrafast, 300 Mbit/s+
0%
Gigabit-capable
0%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
0%

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

  • THE HEALTH CENTRE

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

    ODS code W91047

    213 m

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

Nearby transport

  • Bridge Street

    BCT · Corwen

    0.0 miles
  • Bryn Llewelyn

    BCT · Corwen

    0.1 miles
  • Bryn Llewelyn

    BCT · Corwen

    0.1 miles
  • The Square

    BCT · Corwen

    0.1 miles
  • Station House

    BCT · Corwen

    0.1 miles

Evidence in context

Property market

The five-year median is £93,000 from 1 recorded sale in LL21 0BB. 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

3 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Caer Drewyn is the nearest published school at 0.7 miles.

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

Recorded crime

114 published events cover 12 months, averaging 9.5 events per published month. The largest recorded category is Violence and sexual offences with 68 events.

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