SY23 4HJ

Llanrhystyd · Ceredigion · Wales

Updated September 2026

Compare this postcode

Location overview

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

Nearby postcodes

Nearby postcode distances
Postcode Distance
SY23 4HH 919 m
SY23 4HF 1.1 km
SY23 4SS 1.3 km
SY23 4JL 1.4 km
SY23 4SP 1.6 km
Complete postcode fields and official codes
Postcode
SY23 4HJ
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SY
Postcode district
SY23
Postcode sector
SY23 4
Latitude
52.297141
Longitude
-4.044754
British National Grid easting
260,659
British National Grid northing
268,525

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Ceredigion · W06000008
Parish or community
W04000383
Westminster constituency
Ceredigion Preseli · W07000093
Output area
W00002875
Lower layer super output area
Ceredigion 005C · W01000538
Middle layer super output area
Ceredigion 005 · W02000120

Postcode source versions

Explore SY23

22 recorded sales at this postcode
Address Date Price
Cefn Y Garn Uchaf, Trefenter, Aberystwyth, SY23 4HJ 23 September 2024 £395,000
The Barn, Trefenter, Aberystwyth, SY23 4HJ 15 December 2022 £280,000
Pendre, Trefenter, Aberystwyth, SY23 4HJ 4 April 2022 £390,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
1
Primary
0
Secondary
0
  1. Ysgol Llangwyryfon

    Welsh establishment

    2.2 km

Census 2021

Population and age profile

Postcode residents
61

28 female, 33 male

Postcode households
30
Residents per household
2.0
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 1.1% of the sector's usual residents on Census Day. The age profile describes the wider SY23 4 sector, not people in this individual postcode.

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+
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%

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.

Nearby transport

  • Troed-y-foel

    BCT · Trefenter

    0.2 miles
  • Troed-y-foel

    BCT · Trefenter

    0.2 miles
  • Trefenter Turn

    BCT · Trefenter

    0.2 miles
  • Trefenter Turn

    BCT · Trefenter

    0.2 miles
  • Blaennant Crossroads

    BCT · Llangwyryfon

    1.1 miles

Evidence in context

Property market

The five-year median is £390,000 from 3 recorded sales in SY23 4HJ. 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

1 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Llangwyryfon is the nearest published school at 1.4 miles.

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