SO30 4 postcode sector in the SO30 district

SO30 4 is a sector of the SO30 district: every postcode that starts SO30 4. It has 146 postcodes in use, one of them a large-user postcode. 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 SO30 4 sector, by flood risk

Map of every postcode in the SO30 4 sector, by flood risk Of the 146 postcodes in the SO30 4 sector that ONS places, 1 have a home or business at high risk, 2 are at medium risk at worst, 3 are at low risk at worst and 140 are not on the Environment Agency's at-risk list. Places named: Hedge End. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. M27A334A27 SO30 4AA: not on the flood risk listSO30 4AB: not on the flood risk listSO30 4AD: not on the flood risk listSO30 4AE: not on the flood risk listSO30 4AF: not on the flood risk listSO30 4AG: not on the flood risk listSO30 4AH: not on the flood risk listSO30 4AJ: not on the flood risk listSO30 4AL: not on the flood risk listSO30 4AN: not on the flood risk listSO30 4AP: not on the flood risk listSO30 4AQ: not on the flood risk listSO30 4AR: not on the flood risk listSO30 4AS: not on the flood risk listSO30 4AT: not on the flood risk listSO30 4AU: not on the flood risk listSO30 4AW: not on the flood risk listSO30 4AX: not on the flood risk listSO30 4AY: not on the flood risk listSO30 4AZ: not on the flood risk listSO30 4BA: not on the flood risk listSO30 4BB: not on the flood risk listSO30 4BD: not on the flood risk listSO30 4BE: not on the flood risk listSO30 4BG: not on the flood risk listSO30 4BH: not on the flood risk listSO30 4BN: not on the flood risk listSO30 4BR: not on the flood risk listSO30 4BZ: not on the flood risk listSO30 4DD: not on the flood risk listSO30 4DE: not on the flood risk listSO30 4DF: not on the flood risk listSO30 4DG: not on the flood risk listSO30 4DH: not on the flood risk listSO30 4DJ: not on the flood risk listSO30 4DL: not on the flood risk listSO30 4DN: not on the flood risk listSO30 4DP: not on the flood risk listSO30 4DQ: not on the flood risk listSO30 4DT: not on the flood risk listSO30 4DU: not on the flood risk listSO30 4DW: not on the flood risk listSO30 4DX: not on the flood risk listSO30 4DY: not on the flood risk listSO30 4DZ: not on the flood risk listSO30 4EA: not on the flood risk listSO30 4EB: not on the flood risk listSO30 4ED: not on the flood risk listSO30 4EE: not on the flood risk listSO30 4EF: not on the flood risk listSO30 4EG: not on the flood risk listSO30 4EH: not on the flood risk listSO30 4EL: not on the flood risk listSO30 4EN: not on the flood risk listSO30 4EP: not on the flood risk listSO30 4EQ: not on the flood risk listSO30 4ER: not on the flood risk listSO30 4ES: not on the flood risk listSO30 4ET: not on the flood risk listSO30 4EU: not on the flood risk listSO30 4EW: not on the flood risk listSO30 4EX: not on the flood risk listSO30 4EY: not on the flood risk listSO30 4EZ: not on the flood risk listSO30 4FA: not on the flood risk listSO30 4FD: not on the flood risk listSO30 4FG: not on the flood risk listSO30 4FH: not on the flood risk listSO30 4FN: not on the flood risk listSO30 4FP: not on the flood risk listSO30 4FQ: not on the flood risk listSO30 4FR: not on the flood risk listSO30 4FS: not on the flood risk listSO30 4FT: not on the flood risk listSO30 4FW: not on the flood risk listSO30 4FY: not on the flood risk listSO30 4FZ: not on the flood risk listSO30 4GA: not on the flood risk listSO30 4GB: not on the flood risk listSO30 4GD: not on the flood risk listSO30 4HA: not on the flood risk listSO30 4HB: not on the flood risk listSO30 4HD: not on the flood risk listSO30 4HE: not on the flood risk listSO30 4HF: not on the flood risk listSO30 4HW: not on the flood risk listSO30 4JZ: not on the flood risk listSO30 4LA: not on the flood risk listSO30 4NH: not on the flood risk listSO30 4NN: not on the flood risk listSO30 4NQ: not on the flood risk listSO30 4NR: not on the flood risk listSO30 4NT: not on the flood risk listSO30 4NU: not on the flood risk listSO30 4PA: not on the flood risk listSO30 4PG: not on the flood risk listSO30 4QF: not on the flood risk listSO30 4QL: not on the flood risk listSO30 4QQ: not on the flood risk listSO30 4QR: not on the flood risk listSO30 4QU: not on the flood risk listSO30 4QX: not on the flood risk listSO30 4QY: not on the flood risk listSO30 4QZ: not on the flood risk listSO30 4RA: not on the flood risk listSO30 4RB: not on the flood risk listSO30 4RN: not on the flood risk listSO30 4RP: not on the flood risk listSO30 4RR: not on the flood risk listSO30 4RS: not on the flood risk listSO30 4RT: not on the flood risk listSO30 4SA: not on the flood risk listSO30 4SB: not on the flood risk listSO30 4SD: not on the flood risk listSO30 4SE: not on the flood risk listSO30 4SF: not on the flood risk listSO30 4SL: not on the flood risk listSO30 4SN: not on the flood risk listSO30 4SP: not on the flood risk listSO30 4SQ: not on the flood risk listSO30 4SR: not on the flood risk listSO30 4SS: not on the flood risk listSO30 4ST: not on the flood risk listSO30 4SU: not on the flood risk listSO30 4SW: not on the flood risk listSO30 4SX: not on the flood risk listSO30 4SY: not on the flood risk listSO30 4SZ: not on the flood risk listSO30 4TA: not on the flood risk listSO30 4TN: not on the flood risk listSO30 4TP: not on the flood risk listSO30 4TQ: not on the flood risk listSO30 4TR: not on the flood risk listSO30 4TS: not on the flood risk listSO30 4TU: not on the flood risk listSO30 4UA: not on the flood risk listSO30 4UE: not on the flood risk listSO30 4UF: not on the flood risk listSO30 4UN: not on the flood risk listSO30 4EJ: low flood risk at worstSO30 4NP: low flood risk at worstSO30 4SH: low flood risk at worstSO30 4SG: medium flood risk at worstSO30 4WQ: medium flood risk at worstSO30 4NJ: high flood risk Hedge End Map of every postcode in the SO30 4 sector, by flood risk Of the 146 postcodes in the SO30 4 sector that ONS places, 1 have a home or business at high risk, 2 are at medium risk at worst, 3 are at low risk at worst and 140 are not on the Environment Agency's at-risk list. Places named: Hedge End. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. M27A334A27 Hedge End
  • A home or business at high risk: 1
  • At medium risk at worst: 2
  • At low risk at worst: 3
  • At very low risk only: 0
  • Not on the at-risk list: 140

Of the 146 postcodes in the SO30 4 sector that ONS places, 1 have a home or business at high risk, 2 are at medium risk at worst, 3 are at low risk at worst and 140 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. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

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.

SO30 4NJ1 at high risk

What do homes sell for in SO30 4?

Homes in SO30 4 sold for a typical £366,250 in the 12 months to August 2026, across 64 sales, up 7.1% on the 12 months before, HM Land Registry's figures show.

£366,250 typical price, the 12 months to August 2026
£342,000 12 months to August 2025
▲ up 7.1% on the 12 months before
  • Detached £460,000 33 sales
  • Semi-detached £351,250 12 sales
  • Terraced £307,500 6 sales
  • Flat or maisonette £165,000 13 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 SO30 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 SO30 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.

SO30 4AASO30 4ABSO30 4ADSO30 4AESO30 4AFSO30 4AGSO30 4AHSO30 4AJSO30 4ALSO30 4ANSO30 4APSO30 4AQSO30 4ARSO30 4ASSO30 4ATSO30 4AUSO30 4AWSO30 4AXSO30 4AYSO30 4AZSO30 4BASO30 4BBSO30 4BDSO30 4BESO30 4BGSO30 4BHSO30 4BNSO30 4BRSO30 4BZSO30 4DDSO30 4DESO30 4DFSO30 4DGSO30 4DHSO30 4DJSO30 4DLSO30 4DNSO30 4DPSO30 4DQSO30 4DTSO30 4DUSO30 4DWSO30 4DXSO30 4DYSO30 4DZSO30 4EASO30 4EBSO30 4EDSO30 4EESO30 4EFSO30 4EGSO30 4EHSO30 4EJSO30 4ELSO30 4ENSO30 4EPSO30 4EQSO30 4ERSO30 4ESSO30 4ETSO30 4EUSO30 4EWSO30 4EXSO30 4EYSO30 4EZSO30 4FASO30 4FDSO30 4FGSO30 4FHSO30 4FNSO30 4FPSO30 4FQSO30 4FRSO30 4FSSO30 4FTSO30 4FWSO30 4FYSO30 4FZSO30 4GASO30 4GBSO30 4GDSO30 4HASO30 4HBSO30 4HDSO30 4HESO30 4HFSO30 4HWSO30 4JZSO30 4LASO30 4NHSO30 4NJSO30 4NLSO30 4NNSO30 4NPSO30 4NQSO30 4NRSO30 4NTSO30 4NUSO30 4PASO30 4PGSO30 4QFSO30 4QLSO30 4QQSO30 4QRSO30 4QUSO30 4QXSO30 4QYSO30 4QZSO30 4RASO30 4RBSO30 4RNSO30 4RPSO30 4RRSO30 4RSSO30 4RTSO30 4SASO30 4SBSO30 4SDSO30 4SESO30 4SFSO30 4SGSO30 4SHSO30 4SLSO30 4SNSO30 4SPSO30 4SQSO30 4SRSO30 4SSSO30 4STSO30 4SUSO30 4SWSO30 4SXSO30 4SYSO30 4SZSO30 4TASO30 4TNSO30 4TPSO30 4TQSO30 4TRSO30 4TSSO30 4TUSO30 4UASO30 4UESO30 4UFSO30 4UNSO30 4WQ

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.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.