PO20 0 postcode sector in the PO20 district

PO20 0 is a sector of the PO20 district: every postcode that starts PO20 0. It has 275 postcodes in use, 5 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 PO20 0 sector, by flood risk

Map of every postcode in the PO20 0 sector, by flood risk Of the 275 postcodes in the PO20 0 sector that ONS places, 55 have a home or business at high risk, 19 are at medium risk at worst, 38 are at low risk at worst, 4 are at very low risk only and 159 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 74 postcodes at high or medium risk. Places named: Selsey. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. PO20 0AA: not on the flood risk listPO20 0AB: not on the flood risk listPO20 0AD: not on the flood risk listPO20 0AE: not on the flood risk listPO20 0AG: not on the flood risk listPO20 0AH: not on the flood risk listPO20 0AJ: not on the flood risk listPO20 0AL: not on the flood risk listPO20 0AN: not on the flood risk listPO20 0AP: not on the flood risk listPO20 0AQ: not on the flood risk listPO20 0AR: not on the flood risk listPO20 0AS: not on the flood risk listPO20 0AT: not on the flood risk listPO20 0AU: not on the flood risk listPO20 0AW: not on the flood risk listPO20 0AX: not on the flood risk listPO20 0BA: not on the flood risk listPO20 0BB: not on the flood risk listPO20 0BD: not on the flood risk listPO20 0BE: not on the flood risk listPO20 0BF: not on the flood risk listPO20 0BG: not on the flood risk listPO20 0BH: not on the flood risk listPO20 0BJ: not on the flood risk listPO20 0BL: not on the flood risk listPO20 0BN: not on the flood risk listPO20 0BP: not on the flood risk listPO20 0BQ: not on the flood risk listPO20 0BS: not on the flood risk listPO20 0BT: not on the flood risk listPO20 0BW: not on the flood risk listPO20 0DD: not on the flood risk listPO20 0DE: not on the flood risk listPO20 0DG: not on the flood risk listPO20 0ED: not on the flood risk listPO20 0EE: not on the flood risk listPO20 0EF: not on the flood risk listPO20 0FA: not on the flood risk listPO20 0FB: not on the flood risk listPO20 0FD: not on the flood risk listPO20 0FE: not on the flood risk listPO20 0FF: not on the flood risk listPO20 0FG: not on the flood risk listPO20 0FH: not on the flood risk listPO20 0FJ: not on the flood risk listPO20 0FL: not on the flood risk listPO20 0FN: not on the flood risk listPO20 0FP: not on the flood risk listPO20 0FQ: not on the flood risk listPO20 0FR: not on the flood risk listPO20 0FS: not on the flood risk listPO20 0FT: not on the flood risk listPO20 0FU: not on the flood risk listPO20 0FW: not on the flood risk listPO20 0FX: not on the flood risk listPO20 0FY: not on the flood risk listPO20 0FZ: not on the flood risk listPO20 0GA: not on the flood risk listPO20 0GB: not on the flood risk listPO20 0GD: not on the flood risk listPO20 0GF: not on the flood risk listPO20 0GG: not on the flood risk listPO20 0GH: not on the flood risk listPO20 0GJ: not on the flood risk listPO20 0GL: not on the flood risk listPO20 0GN: not on the flood risk listPO20 0GP: not on the flood risk listPO20 0GQ: not on the flood risk listPO20 0GR: not on the flood risk listPO20 0HF: not on the flood risk listPO20 0HP: not on the flood risk listPO20 0HR: not on the flood risk listPO20 0HS: not on the flood risk listPO20 0HT: not on the flood risk listPO20 0HW: not on the flood risk listPO20 0HX: not on the flood risk listPO20 0JD: not on the flood risk listPO20 0JF: not on the flood risk listPO20 0JH: not on the flood risk listPO20 0JJ: not on the flood risk listPO20 0JL: not on the flood risk listPO20 0JP: not on the flood risk listPO20 0JQ: not on the flood risk listPO20 0JS: not on the flood risk listPO20 0JT: not on the flood risk listPO20 0JU: not on the flood risk listPO20 0JX: not on the flood risk listPO20 0JY: not on the flood risk listPO20 0JZ: not on the flood risk listPO20 0LA: not on the flood risk listPO20 0LB: not on the flood risk listPO20 0LD: not on the flood risk listPO20 0LF: not on the flood risk listPO20 0LG: not on the flood risk listPO20 0LH: not on the flood risk listPO20 0LP: not on the flood risk listPO20 0LQ: not on the flood risk listPO20 0LR: not on the flood risk listPO20 0LS: not on the flood risk listPO20 0LX: not on the flood risk listPO20 0LY: not on the flood risk listPO20 0LZ: not on the flood risk listPO20 0NA: not on the flood risk listPO20 0NB: not on the flood risk listPO20 0ND: not on the flood risk listPO20 0NF: not on the flood risk listPO20 0NH: not on the flood risk listPO20 0NJ: not on the flood risk listPO20 0NL: not on the flood risk listPO20 0NP: not on the flood risk listPO20 0PS: not on the flood risk listPO20 0PT: not on the flood risk listPO20 0PX: not on the flood risk listPO20 0PZ: not on the flood risk listPO20 0QA: not on the flood risk listPO20 0QB: not on the flood risk listPO20 0QD: not on the flood risk listPO20 0QE: not on the flood risk listPO20 0QG: not on the flood risk listPO20 0QH: not on the flood risk listPO20 0QJ: not on the flood risk listPO20 0QL: not on the flood risk listPO20 0QP: not on the flood risk listPO20 0QQ: not on the flood risk listPO20 0QR: not on the flood risk listPO20 0QS: not on the flood risk listPO20 0QT: not on the flood risk listPO20 0QU: not on the flood risk listPO20 0QW: not on the flood risk listPO20 0QX: not on the flood risk listPO20 0QY: not on the flood risk listPO20 0QZ: not on the flood risk listPO20 0RA: not on the flood risk listPO20 0RB: not on the flood risk listPO20 0RD: not on the flood risk listPO20 0RE: not on the flood risk listPO20 0RF: not on the flood risk listPO20 0RG: not on the flood risk listPO20 0RH: not on the flood risk listPO20 0RJ: not on the flood risk listPO20 0RL: not on the flood risk listPO20 0RP: not on the flood risk listPO20 0RQ: not on the flood risk listPO20 0RR: not on the flood risk listPO20 0RS: not on the flood risk listPO20 0RT: not on the flood risk listPO20 0RU: not on the flood risk listPO20 0RW: not on the flood risk listPO20 0RX: not on the flood risk listPO20 0RY: not on the flood risk listPO20 0RZ: not on the flood risk listPO20 0SB: not on the flood risk listPO20 0SD: not on the flood risk listPO20 0SQ: not on the flood risk listPO20 0SS: not on the flood risk listPO20 0TG: not on the flood risk listPO20 0TQ: not on the flood risk listPO20 0TR: not on the flood risk listPO20 0JN: very low flood risk onlyPO20 0JR: very low flood risk onlyPO20 0LJ: very low flood risk onlyPO20 0NQ: very low flood risk onlyPO20 0AF: low flood risk at worstPO20 0AY: low flood risk at worstPO20 0AZ: low flood risk at worstPO20 0BU: low flood risk at worstPO20 0DU: low flood risk at worstPO20 0DX: low flood risk at worstPO20 0DZ: low flood risk at worstPO20 0EA: low flood risk at worstPO20 0EL: low flood risk at worstPO20 0HE: low flood risk at worstPO20 0HG: low flood risk at worstPO20 0HH: low flood risk at worstPO20 0HQ: low flood risk at worstPO20 0HU: low flood risk at worstPO20 0HY: low flood risk at worstPO20 0HZ: low flood risk at worstPO20 0JA: low flood risk at worstPO20 0JB: low flood risk at worstPO20 0JE: low flood risk at worstPO20 0LL: low flood risk at worstPO20 0LT: low flood risk at worstPO20 0NY: low flood risk at worstPO20 0NZ: low flood risk at worstPO20 0PN: low flood risk at worstPO20 0PP: low flood risk at worstPO20 0PQ: low flood risk at worstPO20 0SA: low flood risk at worstPO20 0SE: low flood risk at worstPO20 0SF: low flood risk at worstPO20 0SG: low flood risk at worstPO20 0SH: low flood risk at worstPO20 0SJ: low flood risk at worstPO20 0SL: low flood risk at worstPO20 0TD: low flood risk at worstPO20 0TT: low flood risk at worstPO20 0TY: low flood risk at worstPO20 0TZ: low flood risk at worstPO20 0UF: low flood risk at worstPO20 0BX: medium flood risk at worstPO20 0BZ: medium flood risk at worstPO20 0DF: medium flood risk at worstPO20 0EB: medium flood risk at worstPO20 0EJ: medium flood risk at worstPO20 0LU: medium flood risk at worstPO20 0PA: medium flood risk at worstPO20 0PB: medium flood risk at worstPO20 0PH: medium flood risk at worstPO20 0PL: medium flood risk at worstPO20 0SN: medium flood risk at worstPO20 0SP: medium flood risk at worstPO20 0SW: medium flood risk at worstPO20 0TB: medium flood risk at worstPO20 0TN: medium flood risk at worstPO20 0TU: medium flood risk at worstPO20 0TW: medium flood risk at worstPO20 0UB: medium flood risk at worstPO20 0UE: medium flood risk at worstPO20 0BY: high flood riskPO20 0DA: high flood riskPO20 0DB: high flood riskPO20 0DH: high flood riskPO20 0DJ: high flood riskPO20 0DL: high flood riskPO20 0DN: high flood riskPO20 0DP: high flood riskPO20 0DQ: high flood riskPO20 0DR: high flood riskPO20 0DS: high flood riskPO20 0DT: high flood riskPO20 0DW: high flood riskPO20 0DY: high flood riskPO20 0EG: high flood riskPO20 0EH: high flood riskPO20 0EN: high flood riskPO20 0EQ: high flood riskPO20 0ER: high flood riskPO20 0ES: high flood riskPO20 0ET: high flood riskPO20 0EU: high flood riskPO20 0EW: high flood riskPO20 0EX: high flood riskPO20 0EY: high flood riskPO20 0EZ: high flood riskPO20 0HA: high flood riskPO20 0HB: high flood riskPO20 0HD: high flood riskPO20 0JG: high flood riskPO20 0NR: high flood riskPO20 0NS: high flood riskPO20 0NT: high flood riskPO20 0NU: high flood riskPO20 0NX: high flood riskPO20 0PD: high flood riskPO20 0PE: high flood riskPO20 0PF: high flood riskPO20 0PG: high flood riskPO20 0PJ: high flood riskPO20 0PR: high flood riskPO20 0PW: high flood riskPO20 0SR: high flood riskPO20 0ST: high flood riskPO20 0SU: high flood riskPO20 0SX: high flood riskPO20 0SY: high flood riskPO20 0SZ: high flood riskPO20 0TA: high flood riskPO20 0TE: high flood riskPO20 0TX: high flood riskPO20 0UA: high flood riskPO20 0UD: high flood riskPO20 0UG: high flood riskPO20 0UQ: high flood risk Selsey 74 postcodes at high or medium risk, outlined: this goes to PO20 0SY, the one with most homes and businesses at high risk74 postcodes at high or medium risk Map of every postcode in the PO20 0 sector, by flood risk Of the 275 postcodes in the PO20 0 sector that ONS places, 55 have a home or business at high risk, 19 are at medium risk at worst, 38 are at low risk at worst, 4 are at very low risk only and 159 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 74 postcodes at high or medium risk. Places named: Selsey. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Selsey
  • A home or business at high risk: 55
  • At medium risk at worst: 19
  • At low risk at worst: 38
  • At very low risk only: 4
  • Not on the at-risk list: 159
  • Outline: where 5 or more postcodes at high or medium risk lie together

Of the 275 postcodes in the PO20 0 sector that ONS places, 55 have a home or business at high risk, 19 are at medium risk at worst, 38 are at low risk at worst, 4 are at very low risk only and 159 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

55 postcodes here have a home or business at high risk. These are the 12 with the most homes and businesses at that risk.

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

PO20 0SY65 at high riskPO20 0PD38 at high riskPO20 0DL31 at high riskPO20 0NX31 at high riskPO20 0ES29 at high riskPO20 0PE29 at high riskPO20 0TE28 at high riskPO20 0SU26 at high riskPO20 0SZ26 at high riskPO20 0DJ23 at high riskPO20 0PF22 at high riskPO20 0HB20 at high risk

Where the postcodes at high or medium risk lie together

  • 74 postcodes at high or medium risk, outlined on the map. PO20 0SY, is the one with most homes and businesses at high risk.

What do homes sell for in PO20 0?

Homes in PO20 0 sold for a typical £346,500 in the 12 months to August 2026, across 146 sales, up 3.4% on the 12 months before, HM Land Registry's figures show.

£346,500 typical price, the 12 months to August 2026
£335,000 12 months to August 2025
▲ up 3.4% on the 12 months before
  • Detached £397,500 72 sales
  • Semi-detached £320,000 47 sales
  • Terraced £290,000 15 sales
  • Flat or maisonette £156,900 12 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 PO20 0. 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 PO20 0

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.

PO20 0AAPO20 0ABPO20 0ADPO20 0AEPO20 0AFPO20 0AGPO20 0AHPO20 0AJPO20 0ALPO20 0ANPO20 0APPO20 0AQPO20 0ARPO20 0ASPO20 0ATPO20 0AUPO20 0AWPO20 0AXPO20 0AYPO20 0AZPO20 0BAPO20 0BBPO20 0BDPO20 0BEPO20 0BFPO20 0BGPO20 0BHPO20 0BJPO20 0BLPO20 0BNPO20 0BPPO20 0BQPO20 0BSPO20 0BTPO20 0BUPO20 0BWPO20 0BXPO20 0BYPO20 0BZPO20 0DAPO20 0DBPO20 0DDPO20 0DEPO20 0DFPO20 0DGPO20 0DHPO20 0DJPO20 0DLPO20 0DNPO20 0DPPO20 0DQPO20 0DRPO20 0DSPO20 0DTPO20 0DUPO20 0DWPO20 0DXPO20 0DYPO20 0DZPO20 0EAPO20 0EBPO20 0EDPO20 0EEPO20 0EFPO20 0EGPO20 0EHPO20 0EJPO20 0ELPO20 0ENPO20 0EQPO20 0ERPO20 0ESPO20 0ETPO20 0EUPO20 0EWPO20 0EXPO20 0EYPO20 0EZPO20 0FAPO20 0FBPO20 0FDPO20 0FEPO20 0FFPO20 0FGPO20 0FHPO20 0FJPO20 0FLPO20 0FNPO20 0FPPO20 0FQPO20 0FRPO20 0FSPO20 0FTPO20 0FUPO20 0FWPO20 0FXPO20 0FYPO20 0FZPO20 0GAPO20 0GBPO20 0GDPO20 0GFPO20 0GGPO20 0GHPO20 0GJPO20 0GLPO20 0GNPO20 0GPPO20 0GQPO20 0GRPO20 0HAPO20 0HBPO20 0HDPO20 0HEPO20 0HFPO20 0HGPO20 0HHPO20 0HPPO20 0HQPO20 0HRPO20 0HSPO20 0HTPO20 0HUPO20 0HWPO20 0HXPO20 0HYPO20 0HZPO20 0JAPO20 0JBPO20 0JDPO20 0JEPO20 0JFPO20 0JGPO20 0JHPO20 0JJPO20 0JLPO20 0JNPO20 0JPPO20 0JQPO20 0JRPO20 0JSPO20 0JTPO20 0JUPO20 0JXPO20 0JYPO20 0JZPO20 0LAPO20 0LBPO20 0LDPO20 0LFPO20 0LGPO20 0LHPO20 0LJPO20 0LLPO20 0LPPO20 0LQPO20 0LRPO20 0LSPO20 0LTPO20 0LUPO20 0LXPO20 0LYPO20 0LZPO20 0NAPO20 0NBPO20 0NDPO20 0NFPO20 0NHPO20 0NJPO20 0NLPO20 0NPPO20 0NQPO20 0NRPO20 0NSPO20 0NTPO20 0NUPO20 0NXPO20 0NYPO20 0NZPO20 0PAPO20 0PBPO20 0PDPO20 0PEPO20 0PFPO20 0PGPO20 0PHPO20 0PJPO20 0PLPO20 0PNPO20 0PPPO20 0PQPO20 0PRPO20 0PSPO20 0PTPO20 0PWPO20 0PXPO20 0PZPO20 0QAPO20 0QBPO20 0QDPO20 0QEPO20 0QGPO20 0QHPO20 0QJPO20 0QLPO20 0QPPO20 0QQPO20 0QRPO20 0QSPO20 0QTPO20 0QUPO20 0QWPO20 0QXPO20 0QYPO20 0QZPO20 0RAPO20 0RBPO20 0RDPO20 0REPO20 0RFPO20 0RGPO20 0RHPO20 0RJPO20 0RLPO20 0RPPO20 0RQPO20 0RRPO20 0RSPO20 0RTPO20 0RUPO20 0RWPO20 0RXPO20 0RYPO20 0RZPO20 0SAPO20 0SBPO20 0SDPO20 0SEPO20 0SFPO20 0SGPO20 0SHPO20 0SJPO20 0SLPO20 0SNPO20 0SPPO20 0SQPO20 0SRPO20 0SSPO20 0STPO20 0SUPO20 0SWPO20 0SXPO20 0SYPO20 0SZPO20 0TAPO20 0TBPO20 0TDPO20 0TEPO20 0TGPO20 0TNPO20 0TQPO20 0TRPO20 0TTPO20 0TUPO20 0TWPO20 0TXPO20 0TYPO20 0TZPO20 0UAPO20 0UBPO20 0UDPO20 0UEPO20 0UFPO20 0UGPO20 0UQ

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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