PO12 4 postcode sector in the PO12 district
PO12 4 is a sector of the PO12 district: every postcode that starts PO12 4. It has 292 postcodes in use, 4 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.
Not sure what a sector is? UK postcode format explained.
Every postcode in the PO12 4 sector, and which are new since 2020
- New since 2020: 5
- In use before 2020: 287
Of the 292 postcodes in the PO12 4 sector that ONS places, 5 are new since 2020 and 287 were in use before 2020.
Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. New since 2020 means it came into use in January 2020 or later. No boundary is drawn.
Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; roads, rivers and built-up areas: Ordnance Survey open maps. Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre.
The 5 newest postcodes
What do homes sell for in PO12 4?
Homes in PO12 4 sold for a typical £235,000 in the 12 months to September 2026, across 203 sales, HM Land Registry's figures show. The 12 months before gave £247,000 from 245 sales: not a change larger than chance would explain, given which homes happened to sell.
- Detached £333,000 15 sales
- Semi-detached £270,000 39 sales
- Terraced £249,998 102 sales
- Flat or maisonette £140,000 47 sales
Each bar is that kind's typical price, against the most expensive kind here.
Standard sales of homes at market value at the postcodes that start PO12 4. A typical price is the median, the middle sale, given from 5 sales or more.
How we work this out: house prices by postcodeSource: HM Land Registry Price Paid Data, files dated 28 October 2026.
Postcodes in PO12 4
Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.
Source: ONS Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed.
Other sectors in PO12
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Where the facts on this page come from
- Office for National Statistics: ONS Postcode Directory
- HM Land Registry Price Paid Data
Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.
Licence: Open Government Licence v3.0.
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