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SY23 4NS

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 4NL 95 m
SY23 4NT 153 m
SY23 4NU 153 m
SY23 4NX 192 m
SY23 4NR 249 m
Complete postcode fields and official codes
Postcode
SY23 4NS
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SY
Postcode district
SY23
Postcode sector
SY23 4
Latitude
52.356044
Longitude
-4.031817
British National Grid easting
261,725
British National Grid northing
275,051

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Ceredigion · W06000008
Electoral ward
Ystwyth · W05001331
Parish or community
W04000386
Westminster constituency
Ceredigion Preseli · W07000093
Output area
W00002950
Lower layer super output area
Ceredigion 011D · W01000552
Middle layer super output area
Ceredigion 011 · W02000421

Postcode source versions

Explore SY23

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

Property

At this postcode

View all property records
33 recorded sales at this postcode
Address Date Price
Isfryn, Pentre Llyn, Llanilar, Aberystwyth, SY23 4NS 20 May 2025 £215,000
Maesteg, Pentre Llyn, Llanilar, Aberystwyth, SY23 4NS 26 July 2024 £191,000
Gwynfryn, Pentre Llyn, Llanilar, Aberystwyth, SY23 4NS 2 October 2023 £180,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
4
Primary
0
Secondary
0

  1. Ysgol Llanilar

    Welsh establishment

    736 m

  2. Ysgol Gymunedol Llanfarian

    Welsh establishment

    3.7 km

  3. Ysgol Llangwyryfon

    Welsh establishment

    4.8 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
32
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 20
  • Other theft 4
  • Burglary 2
  • Public order 2
  • Anti social behaviour 2

Census 2021

Population and age profile

Postcode residents
64

36 female, 28 male

Postcode households
25
Residents per household
2.6
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 1.2% 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+
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%
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.

NHS ODS

GP practices

1

within 5 km

  • LLANILAR HEALTH CENTRE

    LLANILAR, ABERYSTWYTH, SY23 4PA

    ODS code W92056

    739 m

Organisation records, not service availability
These are records marked active in NHS England's Organisation Data Service for England and Wales. Branch surgeries, pharmacies, dentists and hospitals are not included. They do not confirm patient registration, services, opening hours, appointments or care quality. Distances are straight-line from the postcode point.

Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Cwm Aur

    BCT · Pentre-llyn

    0.1 miles

  • Cwm Aur

    BCT · Llanilar

    0.1 miles

  • Cwrt y Cadno

    BCT · Llanilar

    0.3 miles

  • St Hilary's Church

    BCT · Llanilar

    0.4 miles

  • St Hilary's Church

    BCT · Llanilar

    0.4 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 £185,500 from 6 recorded sales in SY23 4NS. 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

4 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Llanilar is the nearest published school at 736 m.

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

Recorded crime

Published police records

32 published events cover 12 months, averaging 2.667 events per published month. The largest recorded category is Violence and sexual offences with 20 events.

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