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SY23

UK postcode district

Part of Aberystwyth and Llanon

Updated September 2026

District overview

Postcode units
1,284
Current units
985
Coordinate coverage
99%
Electoral wards
17

Coverage context

Countries represented
Wales
English regions represented
W99999999
Local authority codes
2
Terminated postcode units
299

Postcode sectors in SY23

Choose a sector to browse its complete postcode-unit directory.

6 sectors
11,236 recorded sales at this postcode
Address Date Price
4, Penbrynrodyn, Llanbadarn Fawr, Aberystwyth, SY23 3SU 29 July 2026 £145,000
4, Y Gerddi, Blaenplwyf, Aberystwyth, SY23 4DR 24 July 2026 £225,000
Brynawel, Trefechan, Aberystwyth, SY23 1BE 21 July 2026 £185,000

Schools

Across this district

View schools report
Open schools
17
Primary
0
Secondary
0

Recorded crime

Across this district

View crime report
Published events
2,250
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 1,021
  • Public order 195
  • Anti social behaviour 186
  • Criminal damage and arson 186
  • Drugs 165

Census 2021

Population and age profile

SY23 usual residents
28,422
Age-profile population
28,369

Age bands in SY23

Postcode district
Age 0 to 14
12.2%
3,455 residents
Age 15 to 24
25.7%
7,294 residents
Age 25 to 44
19.8%
5,624 residents
Age 45 to 64
22.4%
6,349 residents
Age 65 and over
19.9%
5,647 residents

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

The median Ofcom availability percentage across 956 current postcode units in this district. Each postcode is weighted equally, not by premises.

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
0%

In this district, 688 postcode units had 100% superfast coverage, 491 postcode units had 100% gigabit-capable coverage, 73 postcode units had at least some premises without decent fixed or fixed-wireless access.

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, coverage at January 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

GP practices

4

in this district

  • LLANILAR HEALTH CENTRE

    LLANILAR, ABERYSTWYTH, SY23 4PA

    ODS code W92056

  • MEDDYGFA PADARN SURGERY

    PENGLAIS ROAD, ABERYSTWYTH, SY23 3DU

    ODS code W92024

  • MEDDYGFA'R LLAN

    CHURCH SURGERY, PORTLAND STREET, ABERYSTWYTH, SY23 2DX

    ODS code W92014

  • YSTWYTH MEDICAL GROUP

    PARC Y LLYN RETAIL PARK, LLANBADARN FAWR, ABERYSTWYTH, SY23 3TL

    ODS code W92025

Evidence in context

Property market

The five-year median is £225,000 from 1,932 recorded sales in SY23. 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

17 open schools are in scope, including 0 primary and 0 secondary schools.

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

Recorded crime

2,250 published events cover 12 months, averaging 188 events per published month. The largest recorded category is Violence and sexual offences with 1,021 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.