SY5 9SB

Trelystan and Trewern · Powys · Wales

Updated September 2026

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Location overview

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Ward: Trelystan and Trewern
Local authority: Powys
Constituency: Montgomeryshire and Glyndwr
Postcode district: SY5
Postcode sector: SY5 9

Nearby postcodes

Nearby postcode distances
Postcode	Distance
SY5 9SA	440 m
SY5 9RN	1.1 km
SY5 9RW	1.3 km
SY21 8TF	1.4 km
SY5 9RP	1.5 km

Complete postcode fields and official codes

Postcode: SY5 9SB
Status: Current
Introduced: 1 January 1980
Terminated: Not published
Postcode area: SY
Postcode district: SY5
Postcode sector: SY5 9
Latitude: 52.671900
Longitude: -3.043359
British National Grid easting: 329,546
British National Grid northing: 308,753

Statistical and administrative geographies

Country: Wales · W92000004
Region: W99999999
Local authority district: Powys · W06000023
Electoral ward: Trelystan and Trewern · W05001171
Parish or community: W04000351
Westminster constituency: Montgomeryshire and Glyndwr · W07000102
Output area: W00002658
Lower layer super output area: Powys 005D · W01000497
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 SY5

Schools

Within 3.1 miles of this postcode

View all nearby schools

Open schools: 3
Primary: 1
Secondary: 0

Buttington Trewern C.P. School

Welsh establishment
2.8 km
The Henslow and Evolution School

Other independent special school
4.5 km
Long Mountain CofE Primary School

Voluntary controlled school
4.9 km

Census 2021

Population and age profile

Postcode residents: 8
Postcode households: 2
Residents per household: 4.0
SY5 9 residents: 5,036

Age bands in SY5 9

Wider postcode sector

Age 0 to 14: 15.4%
Age 15 to 24: 9.9%
Age 25 to 44: 19%
Age 45 to 64: 32.3%
Age 65 and over: 23.4%

This postcode contained 0.2% of the sector's usual residents on Census Day. The age profile describes the wider SY5 9 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

Little Chef

BCT · Cefn
1.8 miles
Trewern Bus Shelter

BCT · Trewern
1.9 miles
Criggion Lane

BCT · Trewern
1.9 miles
Heldre Turn

BCT · Buttington
2.2 miles
Heldre Turn

BCT · Buttington
2.2 miles

Evidence in context

Schools

3 open schools are in scope, including 1 primary and 0 secondary schools. Buttington Trewern C.P. School is the nearest published school at 1.8 miles.

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