SO16 3 postcode sector in the SO16 district

SO16 3 is a sector of the SO16 district: every postcode that starts SO16 3. It has 219 postcodes in use, 3 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 SO16 3 sector, by flood risk

Map of every postcode in the SO16 3 sector, by flood risk Of the 219 postcodes in the SO16 3 sector that ONS places, 219 are not on the Environment Agency's at-risk list. Places named: Bassett, Swaythling. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. M27A33A335M3 SO16 3AT: not on the flood risk listSO16 3AU: not on the flood risk listSO16 3AW: not on the flood risk listSO16 3AX: not on the flood risk listSO16 3AY: not on the flood risk listSO16 3AZ: not on the flood risk listSO16 3BA: not on the flood risk listSO16 3BB: not on the flood risk listSO16 3BD: not on the flood risk listSO16 3BE: not on the flood risk listSO16 3BG: not on the flood risk listSO16 3BH: not on the flood risk listSO16 3BJ: not on the flood risk listSO16 3BL: not on the flood risk listSO16 3BN: not on the flood risk listSO16 3BP: not on the flood risk listSO16 3BQ: not on the flood risk listSO16 3BR: not on the flood risk listSO16 3BS: not on the flood risk listSO16 3BT: not on the flood risk listSO16 3BU: not on the flood risk listSO16 3BW: not on the flood risk listSO16 3BX: not on the flood risk listSO16 3BZ: not on the flood risk listSO16 3DA: not on the flood risk listSO16 3DB: not on the flood risk listSO16 3DD: not on the flood risk listSO16 3DE: not on the flood risk listSO16 3DF: not on the flood risk listSO16 3DG: not on the flood risk listSO16 3DH: not on the flood risk listSO16 3DJ: not on the flood risk listSO16 3DL: not on the flood risk listSO16 3DN: not on the flood risk listSO16 3DP: not on the flood risk listSO16 3DQ: not on the flood risk listSO16 3DR: not on the flood risk listSO16 3DS: not on the flood risk listSO16 3DT: not on the flood risk listSO16 3DU: not on the flood risk listSO16 3DW: not on the flood risk listSO16 3DX: not on the flood risk listSO16 3DY: not on the flood risk listSO16 3DZ: not on the flood risk listSO16 3EB: not on the flood risk listSO16 3EE: not on the flood risk listSO16 3EF: not on the flood risk listSO16 3EG: not on the flood risk listSO16 3EH: not on the flood risk listSO16 3EJ: not on the flood risk listSO16 3EN: not on the flood risk listSO16 3EP: not on the flood risk listSO16 3EQ: not on the flood risk listSO16 3ET: not on the flood risk listSO16 3EU: not on the flood risk listSO16 3EW: not on the flood risk listSO16 3FG: not on the flood risk listSO16 3FH: not on the flood risk listSO16 3FU: not on the flood risk listSO16 3FX: not on the flood risk listSO16 3FY: not on the flood risk listSO16 3FZ: not on the flood risk listSO16 3GA: not on the flood risk listSO16 3GB: not on the flood risk listSO16 3GD: not on the flood risk listSO16 3GE: not on the flood risk listSO16 3GF: not on the flood risk listSO16 3GG: not on the flood risk listSO16 3GH: not on the flood risk listSO16 3GJ: not on the flood risk listSO16 3GL: not on the flood risk listSO16 3GN: not on the flood risk listSO16 3GP: not on the flood risk listSO16 3GQ: not on the flood risk listSO16 3GR: not on the flood risk listSO16 3GS: not on the flood risk listSO16 3GT: not on the flood risk listSO16 3GU: not on the flood risk listSO16 3GW: not on the flood risk listSO16 3GX: not on the flood risk listSO16 3GY: not on the flood risk listSO16 3GZ: not on the flood risk listSO16 3HA: not on the flood risk listSO16 3HD: not on the flood risk listSO16 3HF: not on the flood risk listSO16 3HH: not on the flood risk listSO16 3HJ: not on the flood risk listSO16 3HL: not on the flood risk listSO16 3HN: not on the flood risk listSO16 3HP: not on the flood risk listSO16 3HQ: not on the flood risk listSO16 3HR: not on the flood risk listSO16 3HS: not on the flood risk listSO16 3HT: not on the flood risk listSO16 3HU: not on the flood risk listSO16 3HW: not on the flood risk listSO16 3HX: not on the flood risk listSO16 3HY: not on the flood risk listSO16 3HZ: not on the flood risk listSO16 3JA: not on the flood risk listSO16 3JB: not on the flood risk listSO16 3JD: not on the flood risk listSO16 3JE: not on the flood risk listSO16 3JF: not on the flood risk listSO16 3JG: not on the flood risk listSO16 3JH: not on the flood risk listSO16 3JJ: not on the flood risk listSO16 3JL: not on the flood risk listSO16 3JN: not on the flood risk listSO16 3JP: not on the flood risk listSO16 3JQ: not on the flood risk listSO16 3JR: not on the flood risk listSO16 3JS: not on the flood risk listSO16 3JT: not on the flood risk listSO16 3JU: not on the flood risk listSO16 3JW: not on the flood risk listSO16 3JX: not on the flood risk listSO16 3JY: not on the flood risk listSO16 3JZ: not on the flood risk listSO16 3LA: not on the flood risk listSO16 3LB: not on the flood risk listSO16 3LD: not on the flood risk listSO16 3LE: not on the flood risk listSO16 3LF: not on the flood risk listSO16 3LG: not on the flood risk listSO16 3LH: not on the flood risk listSO16 3LJ: not on the flood risk listSO16 3LL: not on the flood risk listSO16 3LN: not on the flood risk listSO16 3LP: not on the flood risk listSO16 3LQ: not on the flood risk listSO16 3LR: not on the flood risk listSO16 3LS: not on the flood risk listSO16 3LT: not on the flood risk listSO16 3LU: not on the flood risk listSO16 3LW: not on the flood risk listSO16 3LX: not on the flood risk listSO16 3LY: not on the flood risk listSO16 3LZ: not on the flood risk listSO16 3NA: not on the flood risk listSO16 3NB: not on the flood risk listSO16 3ND: not on the flood risk listSO16 3NE: not on the flood risk listSO16 3NF: not on the flood risk listSO16 3NG: not on the flood risk listSO16 3NJ: not on the flood risk listSO16 3NL: not on the flood risk listSO16 3NN: not on the flood risk listSO16 3NP: not on the flood risk listSO16 3NQ: not on the flood risk listSO16 3NR: not on the flood risk listSO16 3NS: not on the flood risk listSO16 3NT: not on the flood risk listSO16 3NU: not on the flood risk listSO16 3NW: not on the flood risk listSO16 3NX: not on the flood risk listSO16 3NY: not on the flood risk listSO16 3NZ: not on the flood risk listSO16 3PA: not on the flood risk listSO16 3PB: not on the flood risk listSO16 3PD: not on the flood risk listSO16 3PE: not on the flood risk listSO16 3PF: not on the flood risk listSO16 3PG: not on the flood risk listSO16 3PH: not on the flood risk listSO16 3PJ: not on the flood risk listSO16 3PL: not on the flood risk listSO16 3PN: not on the flood risk listSO16 3PP: not on the flood risk listSO16 3PQ: not on the flood risk listSO16 3PR: not on the flood risk listSO16 3PS: not on the flood risk listSO16 3PT: not on the flood risk listSO16 3PU: not on the flood risk listSO16 3PW: not on the flood risk listSO16 3PY: not on the flood risk listSO16 3PZ: not on the flood risk listSO16 3QA: not on the flood risk listSO16 3QB: not on the flood risk listSO16 3QD: not on the flood risk listSO16 3QE: not on the flood risk listSO16 3QF: not on the flood risk listSO16 3QG: not on the flood risk listSO16 3QH: not on the flood risk listSO16 3QJ: not on the flood risk listSO16 3QN: not on the flood risk listSO16 3QP: not on the flood risk listSO16 3QQ: not on the flood risk listSO16 3QR: not on the flood risk listSO16 3QS: not on the flood risk listSO16 3QT: not on the flood risk listSO16 3QX: not on the flood risk listSO16 3RB: not on the flood risk listSO16 3RD: not on the flood risk listSO16 3RF: not on the flood risk listSO16 3TN: not on the flood risk listSO16 3TP: not on the flood risk listSO16 3TQ: not on the flood risk listSO16 3TR: not on the flood risk listSO16 3TS: not on the flood risk listSO16 3TT: not on the flood risk listSO16 3TU: not on the flood risk listSO16 3TX: not on the flood risk listSO16 3TY: not on the flood risk listSO16 3TZ: not on the flood risk listSO16 3UB: not on the flood risk listSO16 3UD: not on the flood risk listSO16 3UH: not on the flood risk listSO16 3UJ: not on the flood risk listSO16 3UL: not on the flood risk listSO16 3XS: not on the flood risk listSO16 3ZE: not on the flood risk listSO16 3ZF: not on the flood risk listSO16 3ZG: not on the flood risk list BassettSwaythling Map of every postcode in the SO16 3 sector, by flood risk Of the 219 postcodes in the SO16 3 sector that ONS places, 219 are not on the Environment Agency's at-risk list. Places named: Bassett, Swaythling. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A335A33M27 BassettSwaythling
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 219

Of the 219 postcodes in the SO16 3 sector that ONS places, 219 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. Names in italics are council wards: we hold no town or village names here.

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

What do homes sell for in SO16 3?

Homes in SO16 3 sold for a typical £305,001 in the 12 months to August 2026, across 70 sales, down 0.8% on the 12 months before, HM Land Registry's figures show.

£305,001 typical price, the 12 months to August 2026
£307,500 12 months to August 2025
▼ down 0.8% on the 12 months before
  • Detached £590,000 19 sales
  • Semi-detached £300,000 28 sales
  • Terraced £241,000 14 sales
  • Flat or maisonette £215,000 9 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 SO16 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 SO16 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.

SO16 3ATSO16 3AUSO16 3AWSO16 3AXSO16 3AYSO16 3AZSO16 3BASO16 3BBSO16 3BDSO16 3BESO16 3BGSO16 3BHSO16 3BJSO16 3BLSO16 3BNSO16 3BPSO16 3BQSO16 3BRSO16 3BSSO16 3BTSO16 3BUSO16 3BWSO16 3BXSO16 3BYSO16 3BZSO16 3DASO16 3DBSO16 3DDSO16 3DESO16 3DFSO16 3DGSO16 3DHSO16 3DJSO16 3DLSO16 3DNSO16 3DPSO16 3DQSO16 3DRSO16 3DSSO16 3DTSO16 3DUSO16 3DWSO16 3DXSO16 3DYSO16 3DZSO16 3EBSO16 3EESO16 3EFSO16 3EGSO16 3EHSO16 3EJSO16 3ELSO16 3ENSO16 3EPSO16 3EQSO16 3ETSO16 3EUSO16 3EWSO16 3FGSO16 3FHSO16 3FUSO16 3FXSO16 3FYSO16 3FZSO16 3GASO16 3GBSO16 3GDSO16 3GESO16 3GFSO16 3GGSO16 3GHSO16 3GJSO16 3GLSO16 3GNSO16 3GPSO16 3GQSO16 3GRSO16 3GSSO16 3GTSO16 3GUSO16 3GWSO16 3GXSO16 3GYSO16 3GZSO16 3HASO16 3HBSO16 3HDSO16 3HFSO16 3HHSO16 3HJSO16 3HLSO16 3HNSO16 3HPSO16 3HQSO16 3HRSO16 3HSSO16 3HTSO16 3HUSO16 3HWSO16 3HXSO16 3HYSO16 3HZSO16 3JASO16 3JBSO16 3JDSO16 3JESO16 3JFSO16 3JGSO16 3JHSO16 3JJSO16 3JLSO16 3JNSO16 3JPSO16 3JQSO16 3JRSO16 3JSSO16 3JTSO16 3JUSO16 3JWSO16 3JXSO16 3JYSO16 3JZSO16 3LASO16 3LBSO16 3LDSO16 3LESO16 3LFSO16 3LGSO16 3LHSO16 3LJSO16 3LLSO16 3LNSO16 3LPSO16 3LQSO16 3LRSO16 3LSSO16 3LTSO16 3LUSO16 3LWSO16 3LXSO16 3LYSO16 3LZSO16 3NASO16 3NBSO16 3NDSO16 3NESO16 3NFSO16 3NGSO16 3NJSO16 3NLSO16 3NNSO16 3NPSO16 3NQSO16 3NRSO16 3NSSO16 3NTSO16 3NUSO16 3NWSO16 3NXSO16 3NYSO16 3NZSO16 3PASO16 3PBSO16 3PDSO16 3PESO16 3PFSO16 3PGSO16 3PHSO16 3PJSO16 3PLSO16 3PNSO16 3PPSO16 3PQSO16 3PRSO16 3PSSO16 3PTSO16 3PUSO16 3PWSO16 3PYSO16 3PZSO16 3QASO16 3QBSO16 3QDSO16 3QESO16 3QFSO16 3QGSO16 3QHSO16 3QJSO16 3QNSO16 3QPSO16 3QQSO16 3QRSO16 3QSSO16 3QTSO16 3QXSO16 3RBSO16 3RDSO16 3RFSO16 3TNSO16 3TPSO16 3TQSO16 3TRSO16 3TSSO16 3TTSO16 3TUSO16 3TXSO16 3TYSO16 3TZSO16 3UBSO16 3UDSO16 3UFSO16 3UHSO16 3UJSO16 3ULSO16 3XSSO16 3XWSO16 3ZESO16 3ZFSO16 3ZG

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.