Schools
1 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Bro Elwern is the nearest published school at 2.8 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
LL21 9SQ
Efenechdyd · Denbighshire · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Ward
- Efenechdyd
- Local authority
- Denbighshire
- Constituency
- Bangor Aberconwy
- Postcode district
- LL21
- Postcode sector
- LL21 9
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- LL21 9SQ
- Status
- Terminated
- Introduced
- 1 April 1986
- Terminated
- 1 December 1990
- Postcode area
- LL
- Postcode district
- LL21
- Postcode sector
- LL21 9
- Latitude
- 53.048350
- Longitude
- -3.372365
- British National Grid easting
- 308,100
- British National Grid northing
- 351,000
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Denbighshire · W06000004
- Electoral ward
- Efenechdyd · W05001338
- Parish or community
- W04000152
- Westminster constituency
- Bangor Aberconwy · W07000083
- Output area
- W00001076
- Lower layer super output area
- Denbighshire 015B · W01000202
- 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
Schools
Within 3.1 miles of this postcode
- Open schools
- 1
- Primary
- 0
- Secondary
- 0
- 4.5 km
Ysgol Bro Elwern
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 24
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 12
- Other theft 4
- Other crime 2
- Anti social behaviour 2
- Burglary 1
Census 2021
Population and age profile
- Postcode residents
- Not supplied
- Postcode households
- Not supplied
- Residents per household
- Not available
- LL21 9 residents
- 3,536
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
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
- 0.5 miles
Is Awel
BCT · Pandyr-Capel
- 0.5 miles
Is Awel
BCT · Pandyr-Capel
- 0.7 miles
Bryn Saith Marchog
BCT · Bryn Saith-Marchog
- 0.7 miles
Bryn Saith Marchog
BCT · Bryn Saith-Marchog
- 0.7 miles
St Mary's Church
BCT · Derwen
Evidence in context
Recorded crime
24 published events cover 12 months, averaging 2 events per published month. The largest recorded category is Violence and sexual offences with 12 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.