Property market
The five-year median is £635,000 from 1 recorded sale in LL21 9NB. 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 9NB
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 9NB
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- LL
- Postcode district
- LL21
- Postcode sector
- LL21 9
- Latitude
- 53.014096
- Longitude
- -3.312994
- British National Grid easting
- 312,010
- British National Grid northing
- 347,115
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Denbighshire · W06000004
- Electoral ward
- Llanfair Dyffryn Clwyd Gwyddelwern · W05001340
- Parish or community
- W04000144
- Westminster constituency
- Clwyd East · W07000094
- Output area
- W00001102
- 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
8 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Tal-Y-Bidwal Fawr, Bryneglwys, Corwen, LL21 9NB | 28 October 2021 | £635,000 |
| Tal Y Bidwal Ty Hen, Bryneglwys, Corwen, LL21 9NB | 31 March 2021 | £527,500 |
| Pwll Pridd, Bryneglwys, Corwen, LL21 9NB | 24 April 2020 | £650,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 2
- Primary
- 0
- Secondary
- 0
- 3.5 km
Ysgol Gynradd Carrog
Welsh establishment
- 4.5 km
Ysgol Bro Elwern
Welsh establishment
Census 2021
Population and age profile
- Postcode residents
- 19
- Postcode households
- 9
- Residents per household
- 2.1
- LL21 9 residents
- 3,536
8 female, 11 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 0.5% 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+
- 0%
- 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.
Nearby transport
- 1.6 miles
Bryneglwys War Memorial
BCT · Bryneglwys
- 1.8 miles
New Inn
BCT · Bryneglwys
- 2.2 miles
Ffynnon Bach
BCT · Llanelidan
- 2.2 miles
Carrog (Llangollen Railway)
MET · Carrog
- 2.2 miles
Carrog Llangollen Railway Station
BCT · Carrog
Evidence in context
Schools
2 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Gynradd Carrog is the nearest published school at 2.2 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.