SY23 4AQ

Rhayader · Powys · Wales

Updated September 2026

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Location overview

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Ward: Rhayader
Local authority: Powys
Constituency: Brecon, Radnor and Cwm Tawe
Postcode district: SY23
Postcode sector: SY23 4

Nearby postcodes

Nearby postcode distances
Postcode	Distance
SY18 6RZ	4.1 km
SY18 6SA	4.6 km
SY18 6RX	5.2 km
SY18 6RY	5.3 km
SY18 6RS	5.3 km

Complete postcode fields and official codes

Postcode: SY23 4AQ
Status: Current
Introduced: 1 January 1980
Terminated: Not published
Postcode area: SY
Postcode district: SY23
Postcode sector: SY23 4
Latitude: 52.361552
Longitude: -3.663476
British National Grid easting: 286,822
British National Grid northing: 275,023

Statistical and administrative geographies

Country: Wales · W92000004
Region: W99999999
Local authority district: Powys · W06000023
Electoral ward: Rhayader · W05001166
Parish or community: W04000341
Westminster constituency: Brecon, Radnor and Cwm Tawe · W07000085
Output area: W00002598
Lower layer super output area: Powys 012E · W01000487
Middle layer super output area: Powys 012 · W02000108

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 SY23

Use the wider postcode district to compare the same evidence across more locations.

Census 2021

Population and age profile

Postcode residents: 4
Postcode households: 1
Residents per household: 4.0
SY23 4 residents: 5,417

Age bands in SY23 4

Wider postcode sector

Age 0 to 14: 14.5%
Age 15 to 24: 9.6%
Age 25 to 44: 18.3%
Age 45 to 64: 30.9%
Age 65 and over: 26.8%

This postcode contained 0.1% of the sector's usual residents on Census Day. The age profile describes the wider SY23 4 sector, not people in this individual postcode.

How to read these estimates

The standard postcode headcounts and the commissioned age table are separate ONS outputs. Small counts are disclosure-controlled, and totals can differ slightly between tables. Coverage is England and Wales only.

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: 100%
Next Generation Access: 100%
Decent broadband available from fixed wireless: 0%

Coverage is a modelled postcode-level snapshot, not a speed test or a guarantee for a named property. Check availability with providers before making a decision. Ofcom does not publish postcode-level full-fibre coverage in this release for commercial-confidentiality reasons.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

Nearby transport

Dolfach-isaf

BCT · Dolfach
3.0 miles
Dolfach-isaf

BCT · Dolfach
3.0 miles
Post Office

BCT · Llangurig
3.9 miles
Black Lion Hotel

BCT · Llangurig
4.0 miles
Black Lion Hotel

BCT · Llangurig
4.0 miles