SY23 4BF is located in the Llanfarian electoral ward, within the unitary authority of Ceredigion and the Welsh Parliamentary constituency of Ceredigion. The Local Health Board is Hywel Dda University and the police force is Dyfed-Powys. This postcode has been in use since November 2018.


| Easting | 259151 |
| Northing | 278820 |
| Latitude | 52.389250 |
| Longitude | -4.071170 |
| Country | Wales |
| Postcode District | SY23 |
| Ward | Llanfarian |
|---|---|
| Constituency | Ceredigion |
10, MAES GOSEN, RHYDYFELIN, ABERYSTWYTH, SY23 4BF 2025 7 MAR £370,000 |
2024 15 NOV £460,000 |
9, MAES GOSEN, RHYDYFELIN, ABERYSTWYTH, SY23 4BF 2022 27 SEP £400,000 |
2021 22 APR £147,000 |
2019 14 MAY £300,000 |
2019 12 APR £136,500 |
2, MAES GOSEN, RHYDYFELIN, ABERYSTWYTH, SY23 4BF 2019 15 MAR £300,000 |
3, MAES GOSEN, RHYDYFELIN, ABERYSTWYTH, SY23 4BF 2018 17 DEC £300,000 |
| Rhydyfelin (A487) | Rhyd-y-felin | 38m |
| Rhydyfelin (A487) | Rhyd-y-felin | 146m |
| Bryn Eglur (A487) | Llanfarian | 823m |
| Marian House (A487) | Llanfarian | 898m |
| Midfield Park (A4120) | Penparcau | 1,002m |
| Aberystwyth Station | 2.9km |
| Percentage of properties with Next Generation Access | 100.0% |
| Percentage of properties with Superfast Broadband | 100.0% |
| Percentage of properties with Ultrafast Broadband | 0.0% |
| Percentage of properties with Full Fibre Broadband | 0.0% |
Superfast Broadband is between 30Mbps and 300Mbps
Ultrafast Broadband is > 300Mbps
| Percentage of properties unable to receive 2Mbps | 0.0% |
| Percentage of properties unable to receive 5Mbps | 0.0% |
| Percentage of properties unable to receive 10Mbps | 0.0% |
| Percentage of properties unable to receive 30Mbps | 0.0% |



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| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Gosen Cross Roads | 16:45 | 11:45 | 117m |
| Rhydyfelin | 16:45 | 11:45 | 227m |
| Llafarian Post Office | 16:30 | 11:45 | 1,017m |
The below table lists the International Territorial Level (ITL) codes (formerly Nomenclature of Territorial Units for Statistics (NUTS) codes) and Local Administrative Units (LAU) codes for SY23 4BF:
| ITL 1 Code | Name |
|---|---|
| TLL | Wales |
| ITL 2 Code | Name |
| TLL1 | West Wales and The Valleys |
| ITL 3 Code | Name |
| TLL14 | South West Wales |
| LAU 1 Code | Name |
| W06000008 | Ceredigion |
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for SY23 4BF:
| Code | Name | |
|---|---|---|
| OA | W00002851 | |
| LSOA | W01000534 | Ceredigion 011B |
| MSOA | W02000421 | Ceredigion 011 |
| SY23 4PR | Crugyn Dimai | 110m |
| SY23 4QB | 188m | |
| SY23 4QD | 257m | |
| SY23 4QP | Paitholwg | 265m |
| SY23 4QS | Cae Bach Y Rhiw | 266m |
| SY23 4PU | 391m | |
| SY23 4PY | 446m | |
| SY23 4PX | 504m | |
| SY23 4QA | 518m | |
| SY23 4PT | 656m |