SY21 9DB

Guilsfield · Powys · Wales

Updated September 2026

Compare this postcode

Location overview

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Ward: Guilsfield
Local authority: Powys
Constituency: Montgomeryshire and Glyndwr
Postcode district: SY21
Postcode sector: SY21 9

Nearby postcodes

Nearby postcode distances
Postcode	Distance
SY21 9DF	875 m
SY21 9JG	996 m
SY21 9DD	1.2 km
SY21 9DE	1.4 km
SY21 9DA	1.7 km

Complete postcode fields and official codes

Postcode: SY21 9DB
Status: Current
Introduced: 1 January 1980
Terminated: Not published
Postcode area: SY
Postcode district: SY21
Postcode sector: SY21 9
Latitude: 52.682593
Longitude: -3.217225
British National Grid easting: 317,810
British National Grid northing: 310,127

Statistical and administrative geographies

Country: Wales · W92000004
Region: W99999999
Local authority district: Powys · W06000023
Electoral ward: Guilsfield · W05001133
Parish or community: W04000279
Westminster constituency: Montgomeryshire and Glyndwr · W07000102
Output area: W00002372
Lower layer super output area: Powys 002A · W01000444
Middle layer super output area: Powys 002 · W02000098

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

Schools

Within 3.1 miles of this postcode

View all nearby schools

Open schools: 3
Primary: 0
Secondary: 0

Amberleigh Residential Therapeutic School

Welsh establishment
3.7 km
Ysgol Meifod

Welsh establishment
4.1 km
Guilsfield C.P. School

Welsh establishment
4.3 km

Census 2021

Population and age profile

Postcode residents: 11
Postcode households: 3
Residents per household: 3.7
SY21 9 residents: 3,217

Age bands in SY21 9

Wider postcode sector

Age 0 to 14: 13.4%
Age 15 to 24: 8.8%
Age 25 to 44: 17.5%
Age 45 to 64: 29.6%
Age 65 and over: 30.7%

This postcode contained 0.3% of the sector's usual residents on Census Day. The age profile describes the wider SY21 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+: 100%
Ultrafast, 100 Mbit/s+: 100%
Ultrafast, 300 Mbit/s+: 100%
Gigabit-capable: 100%

Unable to receive decent fixed or FWA broadband: 0%
Next Generation Access: 100%
Decent broadband available from fixed wireless: 100%

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

Sylfaen Station (W&LLR)

MET · Sylfaen
2.3 miles
Cwm Lane

BCT · Golfa
2.3 miles
Cwm Lane

BCT · Golfa
2.3 miles
Lion Bridge

BCT · Meifod
2.4 miles
Cae Robert

BCT · Meifod
2.4 miles

Evidence in context

Schools

3 open schools are in scope, including 0 primary and 0 secondary schools. Amberleigh Residential Therapeutic School is the nearest published school at 2.3 miles.

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