SY21 8JA

Trelystan and Trewern · 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 8

Nearby postcodes

Nearby postcode distances
Postcode Distance
SY21 8HY 957 m
SY21 8HS 1.5 km
SY21 8HZ 1.7 km
SY21 8JD 1.7 km
SY21 8HX 1.8 km
Complete postcode fields and official codes
Postcode
SY21 8JA
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SY
Postcode district
SY21
Postcode sector
SY21 8
Latitude
52.645559
Longitude
-3.081397
British National Grid easting
326,930
British National Grid northing
305,861

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Powys · W06000023
Parish or community
W04000273
Output area
W00002350
Lower layer super output area
Powys 005B · W01000441
Middle layer super output area
Powys 005 · W02000101

Postcode source versions

Explore SY21

4 recorded sales at this postcode
Address Date Price
Black Park, Trelystan, Welshpool, SY21 8JA 11 October 2018 £330,000
Mulsop Farm, Trelystan, Welshpool, SY21 8JA 31 March 2017 £60,000
Black Park, Trelystan, Welshpool, SY21 8JA 2 September 2009 £300,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
5
Primary
0
Secondary
0
  1. Leighton C.P. School

    Welsh establishment

    2.7 km
  2. Ysgol Gymraeg y Trallwng

    Welsh establishment

    4.3 km
  3. Welshpool High School

    Welsh establishment

    4.4 km

Census 2021

Population and age profile

Postcode residents
6

3 female, 3 male

Postcode households
1
Residents per household
6.0
SY21 8 residents
4,734

Age bands in SY21 8

Wider postcode sector
Age 0 to 14
13.4%

637 residents

Age 15 to 24
10.4%

491 residents

Age 25 to 44
18.7%

887 residents

Age 45 to 64
30%

1,424 residents

Age 65 and over
27.5%

1,303 residents

This postcode contained 0.1% of the sector's usual residents on Census Day. The age profile describes the wider SY21 8 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.

GP practices

1

within 5 km

  • WELSHPOOL MEDICAL CENTRE

    SALOP ROAD, WELSHPOOL, SY21 7ER

    ODS code W96010

    4.4 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

  • Leighton School

    BCT · Leighton

    1.7 miles
  • Leighton School

    BCT · Leighton

    1.7 miles
  • Green Dragon Inn

    BCT · Buttington

    2.2 miles
  • Green Dragon Inn

    BCT · Buttington

    2.2 miles
  • Heldre Turn

    BCT · Buttington

    2.4 miles

Evidence in context

Schools

5 open schools are in scope, including 0 primary and 0 secondary schools. Leighton C.P. School is the nearest published school at 1.7 miles.

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