Property market
The five-year median is £85,000 from 1 recorded sale in SY23 4SD. 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.
SY23 4SD
Ystwyth · Ceredigion · Wales
Updated September 2026
Compare this postcodeLocation 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
Complete postcode fields and official codes
- Postcode
- SY23 4SD
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- SY
- Postcode district
- SY23
- Postcode sector
- SY23 4
- Latitude
- 52.342636
- Longitude
- -4.003998
- British National Grid easting
- 263,578
- British National Grid northing
- 273,507
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
- 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
Property
6 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Talar Goch, Rhosygarth, Llanilar, Aberystwyth, SY23 4SD | 12 October 2022 | £85,000 |
| Caeglas, Rhosygarth, Llanilar, Aberystwyth, SY23 4SD | 28 September 2007 | £249,950 |
| Caeglas, Rhosygarth, Llanilar, Aberystwyth, SY23 4SD | 6 July 2007 | £190,000 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 3
- Primary
- 0
- Secondary
- 0
- 2.0 km
Ysgol Llanilar
Welsh establishment
- 3.9 km
Ysgol Llanfihangel-Y-Creuddyn
Welsh establishment
- 4.7 km
Ysgol Llangwyryfon
Welsh establishment
Census 2021
Population and age profile
- Postcode residents
- 22
- Postcode households
- 7
- Residents per household
- 3.1
- SY23 4 residents
- 5,417
12 female, 10 male
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%
711 residents
471 residents
898 residents
1,516 residents
1,314 residents
This postcode contained 0.4% 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.
GP practices
1
within 5 km
LLANILAR HEALTH CENTRE
LLANILAR, ABERYSTWYTH, SY23 4PA
ODS code W92056
2.0 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
- 0.6 miles
Gorwel
BCT · Rhos-y-garth
- 0.6 miles
Gorwel
BCT · Rhos-y-garth
- 1.2 miles
St Hilary's Church
BCT · Llanilar
- 1.2 miles
St Hilary's Church
BCT · Llanilar
- 1.3 miles
Cwrt y Cadno
BCT · Llanilar
Evidence in context
Schools
3 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Llanilar is the nearest published school at 1.2 miles.
Counts describe active establishment records. They do not assess admissions, catchments or quality.