SO21 2 postcode sector in the SO21 district

SO21 2 is a sector of the SO21 district: every postcode that starts SO21 2. It has 201 postcodes in use, 10 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 SO21 2 sector, by flood risk

Map of every postcode in the SO21 2 sector, by flood risk Of the 201 postcodes in the SO21 2 sector that ONS places, 4 have a home or business at high risk, 1 are at medium risk at worst, 3 are at low risk at worst, 5 are at very low risk only and 188 are not on the Environment Agency's at-risk list. Places named: Winchester, Kings Worthy, Colden Common, Twyford, Winchester. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A272A33 SO21 2AA: not on the flood risk listSO21 2AB: not on the flood risk listSO21 2AD: not on the flood risk listSO21 2AE: not on the flood risk listSO21 2AF: not on the flood risk listSO21 2AG: not on the flood risk listSO21 2AJ: not on the flood risk listSO21 2AL: not on the flood risk listSO21 2AN: not on the flood risk listSO21 2AP: not on the flood risk listSO21 2AQ: not on the flood risk listSO21 2AR: not on the flood risk listSO21 2AS: not on the flood risk listSO21 2AT: not on the flood risk listSO21 2AU: not on the flood risk listSO21 2AW: not on the flood risk listSO21 2AX: not on the flood risk listSO21 2AY: not on the flood risk listSO21 2AZ: not on the flood risk listSO21 2BA: not on the flood risk listSO21 2BB: not on the flood risk listSO21 2BD: not on the flood risk listSO21 2BG: not on the flood risk listSO21 2BJ: not on the flood risk listSO21 2BL: not on the flood risk listSO21 2BN: not on the flood risk listSO21 2BS: not on the flood risk listSO21 2BT: not on the flood risk listSO21 2BU: not on the flood risk listSO21 2BX: not on the flood risk listSO21 2BY: not on the flood risk listSO21 2BZ: not on the flood risk listSO21 2DA: not on the flood risk listSO21 2DB: not on the flood risk listSO21 2DD: not on the flood risk listSO21 2DE: not on the flood risk listSO21 2DF: not on the flood risk listSO21 2DG: not on the flood risk listSO21 2DJ: not on the flood risk listSO21 2DL: not on the flood risk listSO21 2DN: not on the flood risk listSO21 2DR: not on the flood risk listSO21 2DS: not on the flood risk listSO21 2DX: not on the flood risk listSO21 2DY: not on the flood risk listSO21 2DZ: not on the flood risk listSO21 2EA: not on the flood risk listSO21 2EB: not on the flood risk listSO21 2ED: not on the flood risk listSO21 2EH: not on the flood risk listSO21 2EJ: not on the flood risk listSO21 2EN: not on the flood risk listSO21 2EX: not on the flood risk listSO21 2FA: not on the flood risk listSO21 2FD: not on the flood risk listSO21 2FF: not on the flood risk listSO21 2FH: not on the flood risk listSO21 2FJ: not on the flood risk listSO21 2FL: not on the flood risk listSO21 2FN: not on the flood risk listSO21 2FR: not on the flood risk listSO21 2FS: not on the flood risk listSO21 2FT: not on the flood risk listSO21 2FU: not on the flood risk listSO21 2HH: not on the flood risk listSO21 2HJ: not on the flood risk listSO21 2HL: not on the flood risk listSO21 2HN: not on the flood risk listSO21 2HP: not on the flood risk listSO21 2HS: not on the flood risk listSO21 2HW: not on the flood risk listSO21 2HX: not on the flood risk listSO21 2HY: not on the flood risk listSO21 2HZ: not on the flood risk listSO21 2JA: not on the flood risk listSO21 2JE: not on the flood risk listSO21 2JG: not on the flood risk listSO21 2JH: not on the flood risk listSO21 2JJ: not on the flood risk listSO21 2JL: not on the flood risk listSO21 2JN: not on the flood risk listSO21 2JP: not on the flood risk listSO21 2JQ: not on the flood risk listSO21 2JS: not on the flood risk listSO21 2JU: not on the flood risk listSO21 2JW: not on the flood risk listSO21 2JX: not on the flood risk listSO21 2JY: not on the flood risk listSO21 2JZ: not on the flood risk listSO21 2LA: not on the flood risk listSO21 2LB: not on the flood risk listSO21 2LD: not on the flood risk listSO21 2LE: not on the flood risk listSO21 2LG: not on the flood risk listSO21 2LJ: not on the flood risk listSO21 2LL: not on the flood risk listSO21 2LP: not on the flood risk listSO21 2LQ: not on the flood risk listSO21 2LR: not on the flood risk listSO21 2LS: not on the flood risk listSO21 2LT: not on the flood risk listSO21 2LU: not on the flood risk listSO21 2LX: not on the flood risk listSO21 2LY: not on the flood risk listSO21 2LZ: not on the flood risk listSO21 2NA: not on the flood risk listSO21 2NB: not on the flood risk listSO21 2ND: not on the flood risk listSO21 2NE: not on the flood risk listSO21 2NF: not on the flood risk listSO21 2NG: not on the flood risk listSO21 2NH: not on the flood risk listSO21 2NJ: not on the flood risk listSO21 2NN: not on the flood risk listSO21 2NQ: not on the flood risk listSO21 2NR: not on the flood risk listSO21 2NS: not on the flood risk listSO21 2NT: not on the flood risk listSO21 2NU: not on the flood risk listSO21 2NW: not on the flood risk listSO21 2NX: not on the flood risk listSO21 2NY: not on the flood risk listSO21 2NZ: not on the flood risk listSO21 2PA: not on the flood risk listSO21 2PD: not on the flood risk listSO21 2PH: not on the flood risk listSO21 2PJ: not on the flood risk listSO21 2PL: not on the flood risk listSO21 2PN: not on the flood risk listSO21 2PP: not on the flood risk listSO21 2PR: not on the flood risk listSO21 2PS: not on the flood risk listSO21 2PT: not on the flood risk listSO21 2PU: not on the flood risk listSO21 2PW: not on the flood risk listSO21 2PX: not on the flood risk listSO21 2PY: not on the flood risk listSO21 2PZ: not on the flood risk listSO21 2QA: not on the flood risk listSO21 2QB: not on the flood risk listSO21 2QD: not on the flood risk listSO21 2QE: not on the flood risk listSO21 2QF: not on the flood risk listSO21 2QG: not on the flood risk listSO21 2QH: not on the flood risk listSO21 2QP: not on the flood risk listSO21 2QT: not on the flood risk listSO21 2QU: not on the flood risk listSO21 2QW: not on the flood risk listSO21 2QX: not on the flood risk listSO21 2QY: not on the flood risk listSO21 2QZ: not on the flood risk listSO21 2RA: not on the flood risk listSO21 2RD: not on the flood risk listSO21 2RE: not on the flood risk listSO21 2RG: not on the flood risk listSO21 2RH: not on the flood risk listSO21 2RJ: not on the flood risk listSO21 2RP: not on the flood risk listSO21 2RR: not on the flood risk listSO21 2RT: not on the flood risk listSO21 2RU: not on the flood risk listSO21 2SW: not on the flood risk listSO21 2UZ: not on the flood risk listSO21 2EG: very low flood risk onlySO21 2EP: very low flood risk onlySO21 2ES: very low flood risk onlySO21 2EU: very low flood risk onlySO21 2FB: very low flood risk onlySO21 2DU: low flood risk at worstSO21 2HE: low flood risk at worstSO21 2LF: low flood risk at worstSO21 2EQ: medium flood risk at worstSO21 2BP: high flood riskSO21 2EE: high flood riskSO21 2EF: high flood riskSO21 2EL: high flood risk WinchesterKings WorthyColden CommonTwyford, Winchester Map of every postcode in the SO21 2 sector, by flood risk Of the 201 postcodes in the SO21 2 sector that ONS places, 4 have a home or business at high risk, 1 are at medium risk at worst, 3 are at low risk at worst, 5 are at very low risk only and 188 are not on the Environment Agency's at-risk list. Places named: Winchester, Kings Worthy, Colden Common. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A272 WinchesterKings WorthyColden Common
  • A home or business at high risk: 4
  • At medium risk at worst: 1
  • At low risk at worst: 3
  • At very low risk only: 5
  • Not on the at-risk list: 188

Of the 201 postcodes in the SO21 2 sector that ONS places, 4 have a home or business at high risk, 1 are at medium risk at worst, 3 are at low risk at worst, 5 are at very low risk only and 188 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.

SO21 2EE7 at high riskSO21 2EF6 at high riskSO21 2BP2 at high riskSO21 2EL1 at high risk

What do homes sell for in SO21 2?

Homes in SO21 2 sold for a typical £762,500 in the 12 months to August 2026, across 46 sales, up 0.7% on the 12 months before, HM Land Registry's figures show.

£762,500 typical price, the 12 months to August 2026
£757,500 12 months to August 2025
▲ up 0.7% on the 12 months before
  • Detached £1,000,000 24 sales
  • Semi-detached £721,000 8 sales
  • Terraced £411,000 10 sales
  • Flat or maisonette 4 sales, too few to price

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 SO21 2. 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 SO21 2

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.

SO21 2AASO21 2ABSO21 2ADSO21 2AESO21 2AFSO21 2AGSO21 2AJSO21 2ALSO21 2ANSO21 2APSO21 2AQSO21 2ARSO21 2ASSO21 2ATSO21 2AUSO21 2AWSO21 2AXSO21 2AYSO21 2AZSO21 2BASO21 2BBSO21 2BDSO21 2BESO21 2BGSO21 2BJSO21 2BLSO21 2BNSO21 2BPSO21 2BSSO21 2BTSO21 2BUSO21 2BXSO21 2BYSO21 2BZSO21 2DASO21 2DBSO21 2DDSO21 2DESO21 2DFSO21 2DGSO21 2DJSO21 2DLSO21 2DNSO21 2DPSO21 2DQSO21 2DRSO21 2DSSO21 2DTSO21 2DUSO21 2DWSO21 2DXSO21 2DYSO21 2DZSO21 2EASO21 2EBSO21 2EDSO21 2EESO21 2EFSO21 2EGSO21 2EHSO21 2EJSO21 2ELSO21 2ENSO21 2EPSO21 2EQSO21 2ERSO21 2ESSO21 2ETSO21 2EUSO21 2EXSO21 2EYSO21 2FASO21 2FBSO21 2FDSO21 2FESO21 2FFSO21 2FHSO21 2FJSO21 2FLSO21 2FNSO21 2FPSO21 2FQSO21 2FRSO21 2FSSO21 2FTSO21 2FUSO21 2HDSO21 2HESO21 2HHSO21 2HJSO21 2HLSO21 2HNSO21 2HPSO21 2HRSO21 2HSSO21 2HTSO21 2HUSO21 2HWSO21 2HXSO21 2HYSO21 2HZSO21 2JASO21 2JBSO21 2JESO21 2JGSO21 2JHSO21 2JJSO21 2JLSO21 2JNSO21 2JPSO21 2JQSO21 2JRSO21 2JSSO21 2JTSO21 2JUSO21 2JWSO21 2JXSO21 2JYSO21 2JZSO21 2LASO21 2LBSO21 2LDSO21 2LESO21 2LFSO21 2LGSO21 2LHSO21 2LJSO21 2LLSO21 2LPSO21 2LQSO21 2LRSO21 2LSSO21 2LTSO21 2LUSO21 2LXSO21 2LYSO21 2LZSO21 2NASO21 2NBSO21 2NDSO21 2NESO21 2NFSO21 2NGSO21 2NHSO21 2NJSO21 2NLSO21 2NNSO21 2NPSO21 2NQSO21 2NRSO21 2NSSO21 2NTSO21 2NUSO21 2NWSO21 2NXSO21 2NYSO21 2NZSO21 2PASO21 2PDSO21 2PHSO21 2PJSO21 2PLSO21 2PNSO21 2PPSO21 2PRSO21 2PSSO21 2PTSO21 2PUSO21 2PWSO21 2PXSO21 2PYSO21 2PZSO21 2QASO21 2QBSO21 2QDSO21 2QESO21 2QFSO21 2QGSO21 2QHSO21 2QPSO21 2QRSO21 2QSSO21 2QTSO21 2QUSO21 2QWSO21 2QXSO21 2QYSO21 2QZSO21 2RASO21 2RBSO21 2RDSO21 2RESO21 2RGSO21 2RHSO21 2RJSO21 2RPSO21 2RRSO21 2RTSO21 2RUSO21 2SWSO21 2UZ

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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