SY23 4LY

Ystwyth · Ceredigion · Wales

Updated September 2026

Compare this postcode

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 4LZ 446 m
SY23 4NA 1.1 km
SY23 4JT 1.1 km
SY23 4NB 1.3 km
SY23 4EB 1.7 km
Complete postcode fields and official codes
Postcode
SY23 4LY
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SY
Postcode district
SY23
Postcode sector
SY23 4
Latitude
52.377250
Longitude
-4.013690
British National Grid easting
263,025
British National Grid northing
277,375

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
W00002955
Lower layer super output area
Ceredigion 011D · W01000552
Middle layer super output area
Ceredigion 011 · W02000421

Postcode source versions

Explore SY23

20 recorded sales at this postcode
Address Date Price
Chapel House, New Cross, Aberystwyth, SY23 4LY 11 May 2023 £200,000
Gors Cottage, New Cross, Aberystwyth, SY23 4LY 24 November 2022 £335,000
Tanybryn, New Cross, Aberystwyth, SY23 4LY 16 May 2022 £390,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
5
Primary
0
Secondary
0
  1. Ysgol Llanilar

    Welsh establishment

    2.3 km
  2. Ysgol Llanfihangel-Y-Creuddyn

    Welsh establishment

    3.6 km
  3. Ysgol Penllwyn

    Welsh establishment

    3.7 km

Census 2021

Population and age profile

Postcode residents
39

19 female, 20 male

Postcode households
21
Residents per household
1.9
SY23 4 residents
5,417

Age bands in SY23 4

Wider postcode sector
Age 0 to 14
14.5%

711 residents

Age 15 to 24
9.6%

471 residents

Age 25 to 44
18.3%

898 residents

Age 45 to 64
30.9%

1,516 residents

Age 65 and over
26.8%

1,314 residents

This postcode contained 0.7% of the sector's usual residents on Census Day. The age profile describes the wider SY23 4 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+
96%
Ultrafast, 100 Mbit/s+
96%
Ultrafast, 300 Mbit/s+
96%
Gigabit-capable
96%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
96%
Decent broadband available from fixed wireless
0%

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.

GP practices

2

within 5 km

  • LLANILAR HEALTH CENTRE

    LLANILAR, ABERYSTWYTH, SY23 4PA

    ODS code W92056

    2.3 km

  • YSTWYTH MEDICAL GROUP

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

    ODS code W92025

    4.9 km

Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.

Source acquired on 2026-09-05. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • New Cross Inn

    BCT · New Cross

    0.4 miles
  • New Cross Inn

    BCT · New Cross

    0.4 miles
  • New Cross Turn

    BCT · Llanilar

    1.2 miles
  • New Cross Turn

    BCT · Llanilar

    1.2 miles
  • Capel Seion

    BCT · Capel-Seion

    1.2 miles

Evidence in context

Property market

The five-year median is £335,000 from 3 recorded sales in SY23 4LY. 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

5 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Llanilar is the nearest published school at 1.5 miles.

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