SO40 3 postcode sector in the SO40 district

SO40 3 is a sector of the SO40 district: every postcode that starts SO40 3. It has 222 postcodes in use, 12 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 SO40 3 sector, and which are new since 2020

Map of every postcode in the SO40 3 sector, by new since 2020 Of the 222 postcodes in the SO40 3 sector that ONS places, 1 are new since 2020 and 221 were in use before 2020. Places named: Totton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A336 SO40 3AA: before 2020SO40 3AB: before 2020SO40 3AD: before 2020SO40 3AE: before 2020SO40 3AF: before 2020SO40 3AG: before 2020SO40 3AH: before 2020SO40 3AJ: before 2020SO40 3AL: before 2020SO40 3AN: before 2020SO40 3AP: before 2020SO40 3AQ: before 2020SO40 3AR: before 2020SO40 3AS: before 2020SO40 3AT: before 2020SO40 3AU: before 2020SO40 3AW: before 2020SO40 3AX: before 2020SO40 3AY: before 2020SO40 3AZ: before 2020SO40 3BA: before 2020SO40 3BB: before 2020SO40 3BD: before 2020SO40 3BE: before 2020SO40 3BG: before 2020SO40 3BH: before 2020SO40 3BJ: before 2020SO40 3BL: before 2020SO40 3BN: before 2020SO40 3BP: before 2020SO40 3BQ: before 2020SO40 3BR: before 2020SO40 3BS: before 2020SO40 3BT: before 2020SO40 3BU: before 2020SO40 3BW: before 2020SO40 3BX: before 2020SO40 3BY: before 2020SO40 3DB: before 2020SO40 3DE: before 2020SO40 3DF: before 2020SO40 3DG: before 2020SO40 3DH: before 2020SO40 3DJ: before 2020SO40 3DL: before 2020SO40 3DN: before 2020SO40 3DP: before 2020SO40 3DR: before 2020SO40 3DT: before 2020SO40 3DU: before 2020SO40 3DW: before 2020SO40 3FQ: before 2020SO40 3FR: before 2020SO40 3FS: before 2020SO40 3FT: before 2020SO40 3FU: before 2020SO40 3FW: before 2020SO40 3FX: before 2020SO40 3FY: before 2020SO40 3FZ: before 2020SO40 3GA: before 2020SO40 3GB: before 2020SO40 3GD: before 2020SO40 3GE: before 2020SO40 3GF: before 2020SO40 3GG: before 2020SO40 3GH: before 2020SO40 3GJ: before 2020SO40 3GL: before 2020SO40 3GN: before 2020SO40 3GP: before 2020SO40 3GQ: before 2020SO40 3GR: before 2020SO40 3GS: before 2020SO40 3GT: before 2020SO40 3GU: before 2020SO40 3GW: before 2020SO40 3GX: before 2020SO40 3GY: before 2020SO40 3GZ: before 2020SO40 3HA: before 2020SO40 3HB: before 2020SO40 3HD: before 2020SO40 3HE: before 2020SO40 3HF: before 2020SO40 3HG: before 2020SO40 3HH: before 2020SO40 3HJ: before 2020SO40 3HL: before 2020SO40 3HN: before 2020SO40 3HP: before 2020SO40 3HR: before 2020SO40 3HS: before 2020SO40 3HT: before 2020SO40 3HU: before 2020SO40 3HW: before 2020SO40 3HX: before 2020SO40 3HY: before 2020SO40 3HZ: before 2020SO40 3JA: before 2020SO40 3JB: before 2020SO40 3JD: before 2020SO40 3JE: before 2020SO40 3JF: before 2020SO40 3JG: before 2020SO40 3JH: before 2020SO40 3JJ: before 2020SO40 3JL: before 2020SO40 3JN: before 2020SO40 3JP: before 2020SO40 3JQ: before 2020SO40 3JR: before 2020SO40 3JS: before 2020SO40 3JT: before 2020SO40 3JU: before 2020SO40 3JW: before 2020SO40 3JX: before 2020SO40 3JY: before 2020SO40 3JZ: before 2020SO40 3LA: before 2020SO40 3LB: before 2020SO40 3LD: before 2020SO40 3LE: before 2020SO40 3LF: before 2020SO40 3LG: before 2020SO40 3LH: before 2020SO40 3LJ: before 2020SO40 3LL: before 2020SO40 3LN: before 2020SO40 3LP: before 2020SO40 3LQ: before 2020SO40 3LR: before 2020SO40 3LS: before 2020SO40 3LT: before 2020SO40 3LU: before 2020SO40 3LW: before 2020SO40 3LX: before 2020SO40 3LY: before 2020SO40 3LZ: before 2020SO40 3NA: before 2020SO40 3NB: before 2020SO40 3ND: before 2020SO40 3NE: before 2020SO40 3NF: before 2020SO40 3NG: before 2020SO40 3NH: before 2020SO40 3NJ: before 2020SO40 3NL: before 2020SO40 3NN: before 2020SO40 3NP: before 2020SO40 3NQ: before 2020SO40 3NR: before 2020SO40 3NS: before 2020SO40 3NT: before 2020SO40 3NU: before 2020SO40 3NW: before 2020SO40 3NX: before 2020SO40 3NY: before 2020SO40 3NZ: before 2020SO40 3PA: before 2020SO40 3PB: before 2020SO40 3PD: before 2020SO40 3PE: before 2020SO40 3PF: before 2020SO40 3PG: before 2020SO40 3PH: before 2020SO40 3PJ: before 2020SO40 3PL: before 2020SO40 3PN: before 2020SO40 3PP: before 2020SO40 3PQ: before 2020SO40 3PR: before 2020SO40 3PS: before 2020SO40 3PT: before 2020SO40 3PU: before 2020SO40 3PW: before 2020SO40 3PX: before 2020SO40 3PY: before 2020SO40 3PZ: before 2020SO40 3QA: before 2020SO40 3QB: before 2020SO40 3QD: before 2020SO40 3QE: before 2020SO40 3QF: before 2020SO40 3QG: before 2020SO40 3QH: before 2020SO40 3QJ: before 2020SO40 3QL: before 2020SO40 3QN: before 2020SO40 3QP: before 2020SO40 3QQ: before 2020SO40 3QR: before 2020SO40 3QS: before 2020SO40 3QT: before 2020SO40 3QU: before 2020SO40 3RB: before 2020SO40 3RE: before 2020SO40 3RL: before 2020SO40 3RZ: before 2020SO40 3SA: before 2020SO40 3SG: before 2020SO40 3SH: before 2020SO40 3SJ: before 2020SO40 3SS: before 2020SO40 3SW: before 2020SO40 3SZ: before 2020SO40 3TH: before 2020SO40 3WW: before 2020SO40 3WX: before 2020SO40 3XE: before 2020SO40 3XJ: before 2020SO40 3YS: before 2020SO40 3ZA: before 2020SO40 3ZB: before 2020SO40 3ZE: before 2020SO40 3ZN: before 2020SO40 3ZP: before 2020SO40 3ZU: before 2020SO40 3ZW: before 2020SO40 3ZX: before 2020SO40 3HQ: new since 2020 Totton Map of every postcode in the SO40 3 sector, by new since 2020 Of the 222 postcodes in the SO40 3 sector that ONS places, 1 are new since 2020 and 221 were in use before 2020. Places named: Totton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Totton
  • New since 2020: 1
  • In use before 2020: 221

Of the 222 postcodes in the SO40 3 sector that ONS places, 1 are new since 2020 and 221 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. 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; when each came into use: the same directory; 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 newest postcode

SO40 3HQJuly 2022

What do homes sell for in SO40 3?

Homes in SO40 3 sold for a typical £322,500 in the 12 months to August 2026, across 93 sales, up 0.2% on the 12 months before, HM Land Registry's figures show.

£322,500 typical price, the 12 months to August 2026
£322,000 12 months to August 2025
▲ up 0.2% on the 12 months before
  • Detached £378,000 28 sales
  • Semi-detached £340,000 33 sales
  • Terraced £280,000 11 sales
  • Flat or maisonette £165,000 21 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 SO40 3. 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 SO40 3

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.

SO40 3AASO40 3ABSO40 3ADSO40 3AESO40 3AFSO40 3AGSO40 3AHSO40 3AJSO40 3ALSO40 3ANSO40 3APSO40 3AQSO40 3ARSO40 3ASSO40 3ATSO40 3AUSO40 3AWSO40 3AXSO40 3AYSO40 3AZSO40 3BASO40 3BBSO40 3BDSO40 3BESO40 3BGSO40 3BHSO40 3BJSO40 3BLSO40 3BNSO40 3BPSO40 3BQSO40 3BRSO40 3BSSO40 3BTSO40 3BUSO40 3BWSO40 3BXSO40 3BYSO40 3DBSO40 3DESO40 3DFSO40 3DGSO40 3DHSO40 3DJSO40 3DLSO40 3DNSO40 3DPSO40 3DRSO40 3DTSO40 3DUSO40 3DWSO40 3FQSO40 3FRSO40 3FSSO40 3FTSO40 3FUSO40 3FWSO40 3FXSO40 3FYSO40 3FZSO40 3GASO40 3GBSO40 3GDSO40 3GESO40 3GFSO40 3GGSO40 3GHSO40 3GJSO40 3GLSO40 3GNSO40 3GPSO40 3GQSO40 3GRSO40 3GSSO40 3GTSO40 3GUSO40 3GWSO40 3GXSO40 3GYSO40 3GZSO40 3HASO40 3HBSO40 3HDSO40 3HESO40 3HFSO40 3HGSO40 3HHSO40 3HJSO40 3HLSO40 3HNSO40 3HPSO40 3HQSO40 3HRSO40 3HSSO40 3HTSO40 3HUSO40 3HWSO40 3HXSO40 3HYSO40 3HZSO40 3JASO40 3JBSO40 3JDSO40 3JESO40 3JFSO40 3JGSO40 3JHSO40 3JJSO40 3JLSO40 3JNSO40 3JPSO40 3JQSO40 3JRSO40 3JSSO40 3JTSO40 3JUSO40 3JWSO40 3JXSO40 3JYSO40 3JZSO40 3LASO40 3LBSO40 3LDSO40 3LESO40 3LFSO40 3LGSO40 3LHSO40 3LJSO40 3LLSO40 3LNSO40 3LPSO40 3LQSO40 3LRSO40 3LSSO40 3LTSO40 3LUSO40 3LWSO40 3LXSO40 3LYSO40 3LZSO40 3NASO40 3NBSO40 3NDSO40 3NESO40 3NFSO40 3NGSO40 3NHSO40 3NJSO40 3NLSO40 3NNSO40 3NPSO40 3NQSO40 3NRSO40 3NSSO40 3NTSO40 3NUSO40 3NWSO40 3NXSO40 3NYSO40 3NZSO40 3PASO40 3PBSO40 3PDSO40 3PESO40 3PFSO40 3PGSO40 3PHSO40 3PJSO40 3PLSO40 3PNSO40 3PPSO40 3PQSO40 3PRSO40 3PSSO40 3PTSO40 3PUSO40 3PWSO40 3PXSO40 3PYSO40 3PZSO40 3QASO40 3QBSO40 3QDSO40 3QESO40 3QFSO40 3QGSO40 3QHSO40 3QJSO40 3QLSO40 3QNSO40 3QPSO40 3QQSO40 3QRSO40 3QSSO40 3QTSO40 3QUSO40 3RBSO40 3RESO40 3RLSO40 3RSSO40 3RZSO40 3SASO40 3SGSO40 3SHSO40 3SJSO40 3SSSO40 3SWSO40 3SZSO40 3THSO40 3WWSO40 3WXSO40 3XESO40 3XJSO40 3YSSO40 3ZASO40 3ZBSO40 3ZESO40 3ZNSO40 3ZPSO40 3ZUSO40 3ZWSO40 3ZX

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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