SY21 0DT

Llanfair Caereinion and Llanerfyl · Powys · Wales

Updated September 2026

Compare this postcode

Location overview

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Local authority
Powys
Postcode district
SY21
Postcode sector
SY21 0

Nearby postcodes

Nearby postcode distances
Postcode Distance
SY21 0DP 730 m
SY21 0HE 909 m
SY21 0DR 1.0 km
SY21 0DN 1.3 km
SY21 0HF 1.3 km
Complete postcode fields and official codes
Postcode
SY21 0DT
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SY
Postcode district
SY21
Postcode sector
SY21 0
Latitude
52.638309
Longitude
-3.381871
British National Grid easting
306,586
British National Grid northing
305,402

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Powys · W06000023
Parish or community
W04000299
Output area
W00002452
Lower layer super output area
Powys 006B · W01000460
Middle layer super output area
Powys 006 · W02000102

Postcode source versions

Explore SY21

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
1
Primary
0
Secondary
0
  1. Ysgol Bro Caereinion

    Welsh establishment

    3.8 km

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
SY21 0 residents
3,229

Age bands in SY21 0

Wider postcode sector
Age 0 to 14
13.9%

388 residents

Age 15 to 24
10.5%

292 residents

Age 25 to 44
16.3%

454 residents

Age 45 to 64
32.6%

906 residents

Age 65 and over
26.7%

743 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.

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.

GP practices

1

within 5 km

  • CAEREINION MEDICAL PRACTICE

    LLANFAIR CAEREINION, WELSHPOOL, SY21 0RT

    ODS code W96009

    4.1 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 2026-09-05. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Melin-y-ddol

    BCT · Melin-y-Ddol

    1.8 miles
  • Melin-y-ddol

    BCT · Melin-y-Ddol

    1.8 miles
  • Cefn Coch

    BCT · Cefn Coch

    1.9 miles
  • Cefn Coch

    BCT · Cefn Coch

    1.9 miles
  • Heol Bowys

    BCT · Llanfair Caereinion

    2.0 miles

Evidence in context

Schools

1 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Bro Caereinion is the nearest published school at 2.4 miles.

Counts describe active establishment records. They do not assess admissions, catchments or quality.