Property market
The five-year median is £225,000 from 2 recorded sales in LL21 9DF. 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.
LL21 9DF
Llanfair Dyffryn Clwyd Gwyddelwern · Denbighshire · Wales
Updated September 2026
Compare this postcodeLocation overview
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- 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 9DF
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- LL
- Postcode district
- LL21
- Postcode sector
- LL21 9
- Latitude
- 53.007998
- Longitude
- -3.379923
- British National Grid easting
- 307,507
- British National Grid northing
- 346,521
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
- W00001103
- 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
5 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Wesley Chapel House, Gwyddelwern, Corwen, LL21 9DF | 20 July 2023 | £75,000 |
| Glanaber, Gwyddelwern, Corwen, LL21 9DF | 14 September 2022 | £375,000 |
| Glanaber, Gwyddelwern, Corwen, LL21 9DF | 30 July 2009 | £180,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 4
- Primary
- 0
- Secondary
- 0
- 1 m
Ysgol Bro Elwern
Welsh establishment
- 2.0 km
Ysgol Caer Drewyn
Welsh establishment
- 4.6 km
Ysgol Betws Gwerful Goch
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 12
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 7
- Anti social behaviour 2
- Burglary 1
- Vehicle crime 1
- Criminal damage and arson 1
Census 2021
Population and age profile
- Postcode residents
- 7
- Postcode households
- 3
- Residents per household
- 2.3
- LL21 9 residents
- 3,536
5 female, 2 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 0.2% 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.
GP practices
1
within 5 km
THE HEALTH CENTRE
CORWEN FAMILY PRACTICE, GREEN LANE, CORWEN, LL21 0DN
ODS code W91047
3.0 km
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
- 0.0 miles
Ysgol Bro Elwern Primary School
BCT · Gwyddelwern
- 0.1 miles
Pen y Llan
BCT · Gwyddelwern
- 0.1 miles
St Beuno`s
BCT · Gwyddelwern
- 0.1 miles
St Bueno's
BCT · Gwyddelwern
- 1.1 miles
Wern Ddu
BCT · Gwyddelwern
Evidence in context
Schools
4 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Bro Elwern is the nearest published school at 1 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
Recorded crime
12 published events cover 12 months, averaging 1 events per published month. The largest recorded category is Violence and sexual offences with 7 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.