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, by flood risk

Map of every postcode in the PO12 4 sector, by flood risk Of the 292 postcodes in the PO12 4 sector that ONS places, 11 have a home or business at high risk, 5 are at medium risk at worst, 5 are at low risk at worst and 271 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 8 postcodes at high or medium risk. Places named: Gosport. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. PO12 4AA: not on the flood risk listPO12 4AB: not on the flood risk listPO12 4AD: not on the flood risk listPO12 4AE: not on the flood risk listPO12 4AG: not on the flood risk listPO12 4AH: not on the flood risk listPO12 4AJ: not on the flood risk listPO12 4AL: not on the flood risk listPO12 4AN: not on the flood risk listPO12 4AP: not on the flood risk listPO12 4AQ: not on the flood risk listPO12 4AR: not on the flood risk listPO12 4AS: not on the flood risk listPO12 4AT: not on the flood risk listPO12 4AU: not on the flood risk listPO12 4AW: not on the flood risk listPO12 4AX: not on the flood risk listPO12 4AY: not on the flood risk listPO12 4AZ: not on the flood risk listPO12 4BA: not on the flood risk listPO12 4BB: not on the flood risk listPO12 4BD: not on the flood risk listPO12 4BE: not on the flood risk listPO12 4BF: not on the flood risk listPO12 4BG: not on the flood risk listPO12 4BH: not on the flood risk listPO12 4BJ: not on the flood risk listPO12 4BL: not on the flood risk listPO12 4BN: not on the flood risk listPO12 4BP: not on the flood risk listPO12 4BQ: not on the flood risk listPO12 4BT: not on the flood risk listPO12 4BU: not on the flood risk listPO12 4BW: not on the flood risk listPO12 4BX: not on the flood risk listPO12 4BY: not on the flood risk listPO12 4BZ: not on the flood risk listPO12 4DA: not on the flood risk listPO12 4DB: not on the flood risk listPO12 4DD: not on the flood risk listPO12 4DE: not on the flood risk listPO12 4DG: not on the flood risk listPO12 4DH: not on the flood risk listPO12 4DJ: not on the flood risk listPO12 4DL: not on the flood risk listPO12 4DN: not on the flood risk listPO12 4DP: not on the flood risk listPO12 4DR: not on the flood risk listPO12 4DS: not on the flood risk listPO12 4DU: not on the flood risk listPO12 4DW: not on the flood risk listPO12 4DX: not on the flood risk listPO12 4DZ: not on the flood risk listPO12 4ED: not on the flood risk listPO12 4EE: not on the flood risk listPO12 4EF: not on the flood risk listPO12 4EG: not on the flood risk listPO12 4EH: not on the flood risk listPO12 4EJ: not on the flood risk listPO12 4EL: not on the flood risk listPO12 4EN: not on the flood risk listPO12 4EP: not on the flood risk listPO12 4EQ: not on the flood risk listPO12 4ER: not on the flood risk listPO12 4ES: not on the flood risk listPO12 4ET: not on the flood risk listPO12 4EU: not on the flood risk listPO12 4EW: not on the flood risk listPO12 4EX: not on the flood risk listPO12 4EY: not on the flood risk listPO12 4EZ: not on the flood risk listPO12 4FA: not on the flood risk listPO12 4FE: not on the flood risk listPO12 4FF: not on the flood risk listPO12 4FG: not on the flood risk listPO12 4FJ: not on the flood risk listPO12 4FN: not on the flood risk listPO12 4FP: not on the flood risk listPO12 4FQ: not on the flood risk listPO12 4FR: not on the flood risk listPO12 4FT: not on the flood risk listPO12 4FU: not on the flood risk listPO12 4FW: not on the flood risk listPO12 4FZ: not on the flood risk listPO12 4GA: not on the flood risk listPO12 4GB: not on the flood risk listPO12 4GD: not on the flood risk listPO12 4GE: not on the flood risk listPO12 4GF: not on the flood risk listPO12 4GG: not on the flood risk listPO12 4GH: not on the flood risk listPO12 4GJ: not on the flood risk listPO12 4GL: not on the flood risk listPO12 4GN: not on the flood risk listPO12 4GP: not on the flood risk listPO12 4GQ: not on the flood risk listPO12 4GR: not on the flood risk listPO12 4GS: not on the flood risk listPO12 4GT: not on the flood risk listPO12 4GU: not on the flood risk listPO12 4GW: not on the flood risk listPO12 4GX: not on the flood risk listPO12 4GY: not on the flood risk listPO12 4GZ: not on the flood risk listPO12 4HA: not on the flood risk listPO12 4HE: not on the flood risk listPO12 4HG: not on the flood risk listPO12 4HH: not on the flood risk listPO12 4HJ: not on the flood risk listPO12 4HL: not on the flood risk listPO12 4HN: not on the flood risk listPO12 4HP: not on the flood risk listPO12 4HQ: not on the flood risk listPO12 4HR: not on the flood risk listPO12 4HS: not on the flood risk listPO12 4HT: not on the flood risk listPO12 4HU: not on the flood risk listPO12 4HW: not on the flood risk listPO12 4HX: not on the flood risk listPO12 4HY: not on the flood risk listPO12 4HZ: not on the flood risk listPO12 4JA: not on the flood risk listPO12 4JB: not on the flood risk listPO12 4JD: not on the flood risk listPO12 4JE: not on the flood risk listPO12 4JF: not on the flood risk listPO12 4JG: not on the flood risk listPO12 4JH: not on the flood risk listPO12 4JJ: not on the flood risk listPO12 4JL: not on the flood risk listPO12 4JN: not on the flood risk listPO12 4JP: not on the flood risk listPO12 4JQ: not on the flood risk listPO12 4JS: not on the flood risk listPO12 4JT: not on the flood risk listPO12 4JU: not on the flood risk listPO12 4JW: not on the flood risk listPO12 4JX: not on the flood risk listPO12 4JY: not on the flood risk listPO12 4JZ: not on the flood risk listPO12 4LA: not on the flood risk listPO12 4LB: not on the flood risk listPO12 4LD: not on the flood risk listPO12 4LF: not on the flood risk listPO12 4LG: not on the flood risk listPO12 4LH: not on the flood risk listPO12 4LL: not on the flood risk listPO12 4LN: not on the flood risk listPO12 4LP: not on the flood risk listPO12 4LQ: not on the flood risk listPO12 4LR: not on the flood risk listPO12 4LS: not on the flood risk listPO12 4LT: not on the flood risk listPO12 4LU: not on the flood risk listPO12 4LW: not on the flood risk listPO12 4LY: not on the flood risk listPO12 4LZ: not on the flood risk listPO12 4NA: not on the flood risk listPO12 4NB: not on the flood risk listPO12 4ND: not on the flood risk listPO12 4NE: not on the flood risk listPO12 4NF: not on the flood risk listPO12 4NG: not on the flood risk listPO12 4NH: not on the flood risk listPO12 4NJ: not on the flood risk listPO12 4NL: not on the flood risk listPO12 4NN: not on the flood risk listPO12 4NP: not on the flood risk listPO12 4NR: not on the flood risk listPO12 4NS: not on the flood risk listPO12 4NT: not on the flood risk listPO12 4NU: not on the flood risk listPO12 4NX: not on the flood risk listPO12 4NY: not on the flood risk listPO12 4NZ: not on the flood risk listPO12 4PA: not on the flood risk listPO12 4PE: not on the flood risk listPO12 4PG: not on the flood risk listPO12 4PH: not on the flood risk listPO12 4PJ: not on the flood risk listPO12 4PL: not on the flood risk listPO12 4PN: not on the flood risk listPO12 4PP: not on the flood risk listPO12 4PQ: not on the flood risk listPO12 4PR: not on the flood risk listPO12 4PS: not on the flood risk listPO12 4PT: not on the flood risk listPO12 4PU: not on the flood risk listPO12 4PX: not on the flood risk listPO12 4PY: not on the flood risk listPO12 4PZ: not on the flood risk listPO12 4QA: not on the flood risk listPO12 4QH: not on the flood risk listPO12 4QJ: not on the flood risk listPO12 4QP: not on the flood risk listPO12 4QQ: not on the flood risk listPO12 4QR: not on the flood risk listPO12 4QS: not on the flood risk listPO12 4QT: not on the flood risk listPO12 4QU: not on the flood risk listPO12 4QW: not on the flood risk listPO12 4QX: not on the flood risk listPO12 4QY: not on the flood risk listPO12 4QZ: not on the flood risk listPO12 4RA: not on the flood risk listPO12 4RB: not on the flood risk listPO12 4RD: not on the flood risk listPO12 4RE: not on the flood risk listPO12 4RF: not on the flood risk listPO12 4RG: not on the flood risk listPO12 4RL: not on the flood risk listPO12 4RP: not on the flood risk listPO12 4RR: not on the flood risk listPO12 4RS: not on the flood risk listPO12 4RT: not on the flood risk listPO12 4RU: not on the flood risk listPO12 4RX: not on the flood risk listPO12 4RY: not on the flood risk listPO12 4RZ: not on the flood risk listPO12 4SA: not on the flood risk listPO12 4SB: not on the flood risk listPO12 4SD: not on the flood risk listPO12 4SE: not on the flood risk listPO12 4SH: not on the flood risk listPO12 4SL: not on the flood risk listPO12 4SN: not on the flood risk listPO12 4SP: not on the flood risk listPO12 4SR: not on the flood risk listPO12 4SS: not on the flood risk listPO12 4ST: not on the flood risk listPO12 4SU: not on the flood risk listPO12 4SW: not on the flood risk listPO12 4SY: not on the flood risk listPO12 4SZ: not on the flood risk listPO12 4TA: not on the flood risk listPO12 4TB: not on the flood risk listPO12 4TD: not on the flood risk listPO12 4TG: not on the flood risk listPO12 4TH: not on the flood risk listPO12 4TJ: not on the flood risk listPO12 4TL: not on the flood risk listPO12 4TN: not on the flood risk listPO12 4TP: not on the flood risk listPO12 4TQ: not on the flood risk listPO12 4TR: not on the flood risk listPO12 4TS: not on the flood risk listPO12 4TT: not on the flood risk listPO12 4TU: not on the flood risk listPO12 4TW: not on the flood risk listPO12 4TX: not on the flood risk listPO12 4TY: not on the flood risk listPO12 4TZ: not on the flood risk listPO12 4UB: not on the flood risk listPO12 4UD: not on the flood risk listPO12 4UH: not on the flood risk listPO12 4UL: not on the flood risk listPO12 4UN: not on the flood risk listPO12 4UP: not on the flood risk listPO12 4UU: not on the flood risk listPO12 4UZ: not on the flood risk listPO12 4WE: not on the flood risk listPO12 4WG: not on the flood risk listPO12 4XB: not on the flood risk listPO12 4XD: not on the flood risk listPO12 4XH: not on the flood risk listPO12 4XL: not on the flood risk listPO12 4XN: not on the flood risk listPO12 4XP: not on the flood risk listPO12 4XR: not on the flood risk listPO12 4XW: not on the flood risk listPO12 4ZN: not on the flood risk listPO12 4FL: low flood risk at worstPO12 4QG: low flood risk at worstPO12 4SJ: low flood risk at worstPO12 4UA: low flood risk at worstPO12 4XJ: low flood risk at worstPO12 4QB: medium flood risk at worstPO12 4QD: medium flood risk at worstPO12 4QL: medium flood risk at worstPO12 4RH: medium flood risk at worstPO12 4RJ: medium flood risk at worstPO12 4DQ: high flood riskPO12 4FS: high flood riskPO12 4LE: high flood riskPO12 4LJ: high flood riskPO12 4LX: high flood riskPO12 4QE: high flood riskPO12 4QF: high flood riskPO12 4QN: high flood riskPO12 4UE: high flood riskPO12 4UG: high flood riskPO12 4WF: high flood risk Gosport 8 postcodes at high or medium risk, outlined: this goes to PO12 4QE, the one with most homes and businesses at high risk8 postcodes at high or medium risk Map of every postcode in the PO12 4 sector, by flood risk Of the 292 postcodes in the PO12 4 sector that ONS places, 11 have a home or business at high risk, 5 are at medium risk at worst, 5 are at low risk at worst and 271 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 8 postcodes at high or medium risk. Places named: Gosport. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Gosport
  • A home or business at high risk: 11
  • At medium risk at worst: 5
  • At low risk at worst: 5
  • At very low risk only: 0
  • Not on the at-risk list: 271
  • Outline: where 5 or more postcodes at high or medium risk lie together

Of the 292 postcodes in the PO12 4 sector that ONS places, 11 have a home or business at high risk, 5 are at medium risk at worst, 5 are at low risk at worst and 271 are not on the Environment Agency's at-risk list.

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. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and no boundary is drawn.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; roads, rivers and built-up areas: 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. How we use them

The postcodes at high risk

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

PO12 4WF7 at high riskPO12 4LE5 at high riskPO12 4LJ4 at high riskPO12 4QE2 at high riskPO12 4QF2 at high riskPO12 4UE2 at high riskPO12 4DQ2 at high riskPO12 4UG1 at high riskPO12 4FS1 at high riskPO12 4LX1 at high riskPO12 4QN1 at high risk

Where the postcodes at high or medium risk lie together

  • 8 postcodes at high or medium risk, outlined on the map. PO12 4QE, is the one with most homes and businesses at high risk.

What do homes sell for in PO12 4?

Homes in PO12 4 sold for a typical £235,000 in the 12 months to August 2026, across 203 sales, down 5.5% on the 12 months before, HM Land Registry's figures show.

£235,000 typical price, the 12 months to August 2026
£248,700 12 months to August 2025
▼ down 5.5% on the 12 months before
  • Detached £334,000 16 sales
  • Semi-detached £263,500 38 sales
  • Terraced £249,995 103 sales
  • Flat or maisonette £137,000 46 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 postcode

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

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.

PO12 4AAPO12 4ABPO12 4ADPO12 4AEPO12 4AGPO12 4AHPO12 4AJPO12 4ALPO12 4ANPO12 4APPO12 4AQPO12 4ARPO12 4ASPO12 4ATPO12 4AUPO12 4AWPO12 4AXPO12 4AYPO12 4AZPO12 4BAPO12 4BBPO12 4BDPO12 4BEPO12 4BFPO12 4BGPO12 4BHPO12 4BJPO12 4BLPO12 4BNPO12 4BPPO12 4BQPO12 4BTPO12 4BUPO12 4BWPO12 4BXPO12 4BYPO12 4BZPO12 4DAPO12 4DBPO12 4DDPO12 4DEPO12 4DGPO12 4DHPO12 4DJPO12 4DLPO12 4DNPO12 4DPPO12 4DQPO12 4DRPO12 4DSPO12 4DUPO12 4DWPO12 4DXPO12 4DZPO12 4EDPO12 4EEPO12 4EFPO12 4EGPO12 4EHPO12 4EJPO12 4ELPO12 4ENPO12 4EPPO12 4EQPO12 4ERPO12 4ESPO12 4ETPO12 4EUPO12 4EWPO12 4EXPO12 4EYPO12 4EZPO12 4FAPO12 4FEPO12 4FFPO12 4FGPO12 4FJPO12 4FLPO12 4FNPO12 4FPPO12 4FQPO12 4FRPO12 4FSPO12 4FTPO12 4FUPO12 4FWPO12 4FZPO12 4GAPO12 4GBPO12 4GDPO12 4GEPO12 4GFPO12 4GGPO12 4GHPO12 4GJPO12 4GLPO12 4GNPO12 4GPPO12 4GQPO12 4GRPO12 4GSPO12 4GTPO12 4GUPO12 4GWPO12 4GXPO12 4GYPO12 4GZPO12 4HAPO12 4HEPO12 4HGPO12 4HHPO12 4HJPO12 4HLPO12 4HNPO12 4HPPO12 4HQPO12 4HRPO12 4HSPO12 4HTPO12 4HUPO12 4HWPO12 4HXPO12 4HYPO12 4HZPO12 4JAPO12 4JBPO12 4JDPO12 4JEPO12 4JFPO12 4JGPO12 4JHPO12 4JJPO12 4JLPO12 4JNPO12 4JPPO12 4JQPO12 4JSPO12 4JTPO12 4JUPO12 4JWPO12 4JXPO12 4JYPO12 4JZPO12 4LAPO12 4LBPO12 4LDPO12 4LEPO12 4LFPO12 4LGPO12 4LHPO12 4LJPO12 4LLPO12 4LNPO12 4LPPO12 4LQPO12 4LRPO12 4LSPO12 4LTPO12 4LUPO12 4LWPO12 4LXPO12 4LYPO12 4LZPO12 4NAPO12 4NBPO12 4NDPO12 4NEPO12 4NFPO12 4NGPO12 4NHPO12 4NJPO12 4NLPO12 4NNPO12 4NPPO12 4NRPO12 4NSPO12 4NTPO12 4NUPO12 4NXPO12 4NYPO12 4NZPO12 4PAPO12 4PEPO12 4PGPO12 4PHPO12 4PJPO12 4PLPO12 4PNPO12 4PPPO12 4PQPO12 4PRPO12 4PSPO12 4PTPO12 4PUPO12 4PXPO12 4PYPO12 4PZPO12 4QAPO12 4QBPO12 4QDPO12 4QEPO12 4QFPO12 4QGPO12 4QHPO12 4QJPO12 4QLPO12 4QNPO12 4QPPO12 4QQPO12 4QRPO12 4QSPO12 4QTPO12 4QUPO12 4QWPO12 4QXPO12 4QYPO12 4QZPO12 4RAPO12 4RBPO12 4RDPO12 4REPO12 4RFPO12 4RGPO12 4RHPO12 4RJPO12 4RLPO12 4RPPO12 4RRPO12 4RSPO12 4RTPO12 4RUPO12 4RXPO12 4RYPO12 4RZPO12 4SAPO12 4SBPO12 4SDPO12 4SEPO12 4SHPO12 4SJPO12 4SLPO12 4SNPO12 4SPPO12 4SRPO12 4SSPO12 4STPO12 4SUPO12 4SWPO12 4SYPO12 4SZPO12 4TAPO12 4TBPO12 4TDPO12 4TGPO12 4THPO12 4TJPO12 4TLPO12 4TNPO12 4TPPO12 4TQPO12 4TRPO12 4TSPO12 4TTPO12 4TUPO12 4TWPO12 4TXPO12 4TYPO12 4TZPO12 4UAPO12 4UBPO12 4UDPO12 4UEPO12 4UGPO12 4UHPO12 4ULPO12 4UNPO12 4UPPO12 4UUPO12 4UZPO12 4WEPO12 4WFPO12 4WGPO12 4XBPO12 4XDPO12 4XHPO12 4XJPO12 4XLPO12 4XNPO12 4XPPO12 4XRPO12 4XWPO12 4ZN

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

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