SY21 0SG

Llanfair Caereinion and Llanerfyl · Powys · Wales

Updated September 2026

Compare this postcode

Location overview

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Post town
Welshpool
Local authority
Powys
Postcode district
SY21
Postcode sector
SY21 0

Nearby postcodes

Nearby postcode distances
Postcode Distance
SY21 0HL 58 m
SY21 9EB 279 m
SY21 0SF 292 m
SY21 9EA 307 m
SY21 0RX 348 m
Complete postcode fields and official codes
Postcode
SY21 0SG
Status
Current
Introduced
1 August 1993
Terminated
Not published
Postcode area
SY
Postcode district
SY21
Postcode sector
SY21 0
Latitude
52.652593
Longitude
-3.321324
British National Grid easting
310,712
British National Grid northing
306,914

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Powys · W06000023
Parish or community
W04000299
Output area
W00002455
Lower layer super output area
Powys 006B · W01000460
Middle layer super output area
Powys 006 · W02000102

Postcode source versions

Explore SY21

1 recorded sale at this postcode
Address Date Price
Unit 1-5, Banwy Industrial Estate, Llanfair Caereinion, Welshpool, SY21 0SG 8 July 2016 £280,000

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

    588 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
37
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 16
  • Other theft 5
  • Shoplifting 3
  • Criminal damage and arson 3
  • Public order 2

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+
100%
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 straight-line

  • CAEREINION MEDICAL PRACTICE

    LLANFAIR CAEREINION, WELSHPOOL, SY21 0RT

    ODS code W96009

    390 m

Nearby transport

  • Welshpool & Llanfair Light Railway

    BCT · Llanfair Caereinion

    0.1 miles
  • Welshpool & Llanfair Light Railway Station

    BCT · Llanfair Caereinion

    0.1 miles
  • Llanfair Caereinion Station (W&LLR)

    MET · Llanfair Caereinion

    0.1 miles
  • Llanfair Caereinion Bridge

    BCT · Llanfair Caereinion

    0.3 miles
  • Bridge Street

    BCT · Llanfair Caereinion

    0.3 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 588 m.

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

Recorded crime

37 published events cover 12 months, averaging 3.083 events per published month. The largest recorded category is Violence and sexual offences with 16 events.

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