SY21 0BB

Llanfair Caereinion and Llanerfyl · Powys · Wales

Updated September 2026

Compare this postcode

Location overview

Drag to pan. Use + or - to zoom. Open larger map
Post town
Welshpool
Local authority
Powys
Postcode district
SY21
Postcode sector
SY21 0

Nearby postcodes

Nearby postcode distances
Postcode Distance
SY21 0BD 69 m
SY21 0DY 86 m
SY21 0DX 88 m
SY21 0BE 168 m
SY21 0BU 178 m
Complete postcode fields and official codes
Postcode
SY21 0BB
Status
Current
Introduced
1 January 1993
Terminated
Not published
Postcode area
SY
Postcode district
SY21
Postcode sector
SY21 0
Latitude
52.645396
Longitude
-3.331336
British National Grid easting
310,020
British National Grid northing
306,126

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Powys · W06000023
Parish or community
W04000299
Output area
W00002456
Lower layer super output area
Powys 006B · W01000460
Middle layer super output area
Powys 006 · W02000102

Postcode source versions

Explore SY21

33 recorded sales at this postcode
Address Date Price
23, Maes Derwen, Llanfair Caereinion, Welshpool, SY21 0BB 10 October 2025 £159,000
20, Maes Derwen, Llanfair Caereinion, Welshpool, SY21 0BB 23 May 2025 £160,000
16, Maes Derwen, Llanfair Caereinion, Welshpool, SY21 0BB 1 September 2016 £111,000

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

    526 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
52

29 female, 23 male

Postcode households
19
Residents per household
2.7
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

This postcode contained 1.6% of the sector's usual residents on Census Day. The age profile describes the wider SY21 0 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+
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

    663 m

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

  • Maes Derwyn

    BCT · Llanfair Caereinion

    0.0 miles
  • Maes Gwyn

    BCT · Llanfair Caereinion

    0.0 miles
  • Minffordd

    BCT · Llanfair Caereinion

    0.1 miles
  • Minffordd

    BCT · Llanfair Caereinion

    0.1 miles
  • Heol Bowys

    BCT · Llanfair Caereinion

    0.2 miles

Evidence in context

Property market

The five-year median is £159,500 from 2 recorded sales in SY21 0BB. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Powys is £231,004 in June 2026, up 2.9% year on year.

Schools

1 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Bro Caereinion is the nearest published school at 526 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.