LL21 9NP

Llanfair Dyffryn Clwyd Gwyddelwern · Denbighshire · Wales

Updated September 2026

Compare this postcode

Location 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

Nearby postcode distances
Postcode Distance
LL21 9NL 550 m
LL21 9NH 1.2 km
LL21 9NW 1.3 km
LL21 9NN 1.8 km
LL11 3BD 1.8 km
Complete postcode fields and official codes
Postcode
LL21 9NP
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
LL
Postcode district
LL21
Postcode sector
LL21 9
Latitude
53.032769
Longitude
-3.248616
British National Grid easting
316,365
British National Grid northing
349,115

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Denbighshire · W06000004
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

Explore LL21

6 recorded sales at this postcode
Address Date Price
Tynymynydd, Bryneglwys, Corwen, LL21 9NP 15 December 2025 £699,950
Deio Isaf, Bryneglwys, Corwen, LL21 9NP 5 October 2022 £350,000
Tynymynydd, Bryneglwys, Corwen, LL21 9NP 28 May 2021 £535,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
2
Primary
0
Secondary
0
  1. Ysgol Gynradd Pentrecelyn

    Welsh establishment

    4.2 km
  2. Ysgol Dyffryn Ial

    Welsh establishment

    4.6 km

Recorded crime

Within 1 mile of this postcode

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

Most recorded categories in this period

  • Anti social behaviour 5
  • Violence and sexual offences 4
  • Other theft 1
  • Public order 1
  • Criminal damage and arson 1

Census 2021

Population and age profile

Postcode residents
17

9 female, 8 male

Postcode households
8
Residents per household
2.1
LL21 9 residents
3,536

Age bands in LL21 9

Wider postcode sector
Age 0 to 14
15.8%

579 residents

Age 15 to 24
8.5%

313 residents

Age 25 to 44
19.5%

716 residents

Age 45 to 64
29.6%

1,085 residents

Age 65 and over
26.5%

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
42.9%
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

  • Pennant-isaf

    BCT · Pen-llain-wen

    1.1 miles
  • New Inn

    BCT · Bryneglwys

    1.4 miles
  • Bryneglwys War Memorial

    BCT · Bryneglwys

    1.6 miles
  • Tai Newyddion

    BCT · Pentredwr

    1.7 miles
  • Ton-y-nant Gate House

    BCT · Pen-y-stryt

    1.9 miles

Evidence in context

Property market

The five-year median is £524,975 from 2 recorded sales in LL21 9NP. 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

2 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Gynradd Pentrecelyn is the nearest published school at 2.6 miles.

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 Anti social behaviour with 5 events.

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