PO20 3AY is located in the Barnham electoral ward, within the local authority district of Arun and the English Parliamentary constituency of Arundel and South Downs. The Sub Integrated Care Board (ICB) Location is NHS Sussex ICB - 70F and the police force is Sussex. This postcode has been in use since September 2019.


| Easting | 494156 |
| Northing | 105773 |
| Latitude | 50.843821 |
| Longitude | -0.664012 |
| Country | England |
| Postcode District | PO20 |
| Ward | Barnham |
|---|---|
| Constituency | Arundel And South Downs |
28, SQUIRES GROVE, EASTERGATE, CHICHESTER, PO20 3AY 2026 3 JUL £490,000 |
2025 28 JUL £500,000 |
2025 28 MAR £435,000 |
2022 28 OCT £445,000 |
27, SQUIRES GROVE, EASTERGATE, CHICHESTER, PO20 3AY 2021 21 MAY £430,000 |
34, SQUIRES GROVE, EASTERGATE, CHICHESTER, PO20 3AY 2020 25 SEP £448,500 |
2, SQUIRES GROVE, EASTERGATE, CHICHESTER, PO20 3AY 2020 2 SEP £439,000 |
2020 24 JUL £430,000 |
29, SQUIRES GROVE, EASTERGATE, CHICHESTER, PO20 3AY 2020 25 MAR £500,000 |
2019 23 DEC £495,000 |
| Barnett Close (A29) | Westergate | 211m |
| School (A29) | Westergate | 223m |
| Collins Close (Fontwell Avenue) | Eastergate | 315m |
| The Island (B223) | Nyton | 324m |
| Collins Close (Fontwell Avenue) | Eastergate | 324m |
| Barnham Station | 2.2km |


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| Last Collection | |||
|---|---|---|---|
| Location | Mon-Fri | Sat | Distance |
| Eastergate Lane | 16:00 | 10:30 | 1,393m |
| Aldingbourne Post Office | 16:30 | 11:00 | 1,423m |
| Norton Lane Norton | 16:45 | 07:30 | 1,466m |
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 PO20 3AY:
| ITL 1 Code | Name |
|---|---|
| TLJ | South East (England) |
| ITL 2 Code | Name |
| TLJ2 | Surrey, East and West Sussex |
| ITL 3 Code | Name |
| TLJ27 | West Sussex (South West) |
| LAU 1 Code | Name |
| E07000224 | Arun |
The below table lists the Census Output Area (OA), Lower Layer Super Output Area (LSOA), and Middle Layer Super Output Area (MSOA) for PO20 3AY:
| Code | Name | |
|---|---|---|
| OA | E00160082 | |
| LSOA | E01031396 | Arun 003D |
| MSOA | E02006544 | Arun 003 |
| PO20 3UW | Barnett Close | 153m |
| PO20 3UN | Nyton Road | 207m |
| PO20 3UP | Nyton Road | 232m |
| PO20 3UH | Northfields Lane | 233m |
| PO20 3YP | Nyton Road | 283m |
| PO20 3UG | 302m | |
| PO20 3UQ | Nyton Road | 321m |
| PO20 3UR | Church Lane | 321m |
| PO20 3UJ | Nyton Road | 365m |
| PO20 3RU | Fontwell Avenue | 378m |