SY23 4BG

Ystwyth · Ceredigion · Wales

Updated September 2026

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Location overview

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Post town: Aberystwyth
Ward: Ystwyth
Local authority: Ceredigion
Constituency: Ceredigion Preseli
Postcode district: SY23
Postcode sector: SY23 4

Nearby postcodes

Nearby postcode distances
Postcode	Distance
SY23 4RW	914 m
SY25 6DT	1.7 km
SY23 4BE	1.8 km
SY23 4RP	1.8 km
SY23 4BD	1.8 km

Complete postcode fields and official codes

Postcode: SY23 4BG
Status: Current
Introduced: 1 January 1980
Terminated: Not published
Postcode area: SY
Postcode district: SY23
Postcode sector: SY23 4
Latitude: 52.339349
Longitude: -3.892520
British National Grid easting: 271,162
British National Grid northing: 272,937

Statistical and administrative geographies

Country: Wales · W92000004
Region: W99999999
Local authority district: Ceredigion · W06000008
Electoral ward: Ystwyth · W05001331
Parish or community: W04000399
Westminster constituency: Ceredigion Preseli · W07000093
Output area: W00002954
Lower layer super output area: Ceredigion 011D · W01000552
Middle layer super output area: Ceredigion 011 · W02000421

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.

Property

At this postcode

View all property records

13 recorded sales at this postcode

Address	Date	Price
Penrhiw Felin, Brynafan, Llanafan, Aberystwyth, SY23 4BG	31 August 2022	£385,000
Gwynfa, Brynafan, Llanafan, Aberystwyth, SY23 4BG	31 March 2022	£289,000
Eithin Bach, Brynafan, Llanafan, Aberystwyth, SY23 4BG	26 July 2019	£250,000

Schools

Within 3.1 miles of this postcode

View all nearby schools

Open schools: 1
Primary: 0
Secondary: 0

Ysgol Mynach

Welsh establishment
4.8 km

Census 2021

Population and age profile

Postcode residents: 42
Postcode households: 17
Residents per household: 2.5
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 0.8% 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+: 84.2%
Ultrafast, 100 Mbit/s+: 84.2%
Ultrafast, 300 Mbit/s+: 84.2%
Gigabit-capable: 84.2%

Unable to receive decent fixed or FWA broadband: 5.3%
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

Pengwernedd

BCT · New Row
0.9 miles
New Row

BCT · New Row
1.1 miles
New Row

BCT · New Row
1.1 miles
Rhydygarreg

BCT · Llanafan
1.2 miles
Heol Maesglas

BCT · Ysbyty Ystwyth
1.6 miles

Evidence in context

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Property market

Recorded sales

The five-year median is £337,000 from 2 recorded sales in SY23 4BG. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Ceredigion is £237,176 in June 2026, up 1.6% year on year.

Schools

Published establishments

1 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Mynach is the nearest published school at 3.0 miles.

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