Schools
2 open schools are in scope, including 1 primary and 0 secondary schools. Leighton C.P. School is the nearest published school at 2.4 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
SY21 8HZ
Trelystan and Trewern · Powys · Wales
Updated September 2026
Compare this postcodeLocation overview
Drag to pan. Use + or - to zoom. Open larger map
- Post town
- Welshpool
- Local authority
- Powys
- Constituency
- Montgomeryshire and Glyndwr
- Postcode district
- SY21
- Postcode sector
- SY21 8
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- SY21 8HZ
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- SY
- Postcode district
- SY21
- Postcode sector
- SY21 8
- Latitude
- 52.631489
- Longitude
- -3.072628
- British National Grid easting
- 327,500
- British National Grid northing
- 304,287
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Powys · W06000023
- Electoral ward
- Trelystan and Trewern · W05001171
- Parish or community
- W04000273
- Westminster constituency
- Montgomeryshire and Glyndwr · W07000102
- Output area
- W00002350
- Lower layer super output area
- Powys 005B · W01000441
- Middle layer super output area
- Powys 005 · W02000101
Postcode source versions
- Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
- Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
- Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence
Explore SY21
Property
7 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Fir House, Trelystan, Welshpool, SY21 8HZ | 27 March 2020 | £340,000 |
| Fir House, Trelystan, Welshpool, SY21 8HZ | 9 October 2015 | £297,950 |
| The Pines, Trelystan, Welshpool, SY21 8HZ | 20 February 2008 | £380,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 2
- Primary
- 1
- Secondary
- 0
- 3.8 km
Leighton C.P. School
Welsh establishment
- 4.6 km
Long Mountain CofE Primary School
Voluntary controlled school
Census 2021
Population and age profile
- Postcode residents
- 16
- Postcode households
- 8
- Residents per household
- 2.0
- SY21 8 residents
- 4,734
7 female, 9 male
Age bands in SY21 8
Wider postcode sector- Age 0 to 14
- 13.4%
- Age 15 to 24
- 10.4%
- Age 25 to 44
- 18.7%
- Age 45 to 64
- 30%
- Age 65 and over
- 27.5%
637 residents
491 residents
887 residents
1,424 residents
1,303 residents
This postcode contained 0.3% 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
- 50%
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
- 2.4 miles
Stone House Court
BCT · Forden
- 2.4 miles
Stone House Court
BCT · Forden
- 2.4 miles
Leighton School
BCT · Leighton
- 2.4 miles
Leighton School
BCT · Leighton
- 2.5 miles
The Cock Hotel
BCT · Forden