Schools
2 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Bro Elwern is the nearest published school at 1.4 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
LL21 9EB
Llanfair Dyffryn Clwyd Gwyddelwern · Denbighshire · Wales
Updated September 2026
Compare this postcodeLocation overview
Drag to pan. Use + or - to zoom. Open larger map
- Post town
- Corwen
- Local authority
- Denbighshire
- Constituency
- Clwyd East
- Postcode district
- LL21
- Postcode sector
- LL21 9
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- LL21 9EB
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- LL
- Postcode district
- LL21
- Postcode sector
- LL21 9
- Latitude
- 53.027567
- Longitude
- -3.369946
- British National Grid easting
- 308,218
- British National Grid northing
- 348,685
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Denbighshire · W06000004
- Electoral ward
- Llanfair Dyffryn Clwyd Gwyddelwern · W05001340
- Parish or community
- W04000155
- Westminster constituency
- Clwyd East · W07000094
- Output area
- W00001104
- Lower layer super output area
- Denbighshire 015C · W01000207
- Middle layer super output area
- Denbighshire 015 · W02000056
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 LL21
Property
1 recorded
sale at this postcode
| Address | Date | Price |
|---|---|---|
| Maerdy Uchaf, Gwyddelwern, Corwen, LL21 9EB | 17 February 2017 | £850,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 2
- Primary
- 0
- Secondary
- 0
- 2.3 km
Ysgol Bro Elwern
Welsh establishment
- 4.2 km
Ysgol Caer Drewyn
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 3
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 2
- Criminal damage and arson 1
Census 2021
Population and age profile
- Postcode residents
- 3
- Postcode households
- 3
- Residents per household
- 1.0
- LL21 9 residents
- 3,536
2 female, 1 male
Age bands in LL21 9
Wider postcode sector- Age 0 to 14
- 15.8%
- Age 15 to 24
- 8.5%
- Age 25 to 44
- 19.5%
- Age 45 to 64
- 29.6%
- Age 65 and over
- 26.5%
579 residents
313 residents
716 residents
1,085 residents
970 residents
This postcode contained 0.1% of the sector's usual residents on Census Day. The age profile describes the wider LL21 9 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+
- 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%
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.
Nearby transport
- 0.9 miles
Bryn Saith Marchog
BCT · Bryn Saith-Marchog
- 0.9 miles
Bryn Saith Marchog
BCT · Bryn Saith-Marchog
- 0.9 miles
Ty Ucha'r Llyn
BCT · Gwyddelwern
- 0.9 miles
Wern Ddu
BCT · Gwyddelwern
- 1.1 miles
Is Awel
BCT · Pandyr-Capel
Evidence in context
Recorded crime
3 published events cover 12 months, averaging 0.25 events per published month. The largest recorded category is Violence and sexual offences with 2 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.