SO20 6 postcode sector in the SO20 district

SO20 6 is a sector of the SO20 district: every postcode that starts SO20 6. It has 198 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 SO20 6 sector, by flood risk

Map of every postcode in the SO20 6 sector, by flood risk Of the 198 postcodes in the SO20 6 sector that ONS places, 19 have a home or business at high risk, 8 are at medium risk at worst, 6 are at low risk at worst and 165 are not on the Environment Agency's at-risk list. 2 groups of postcodes at high or medium risk are outlined: 10 postcodes at high or medium risk; 6 postcodes at high or medium risk. Places named: Winchester, Kings Worthy. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A30A34A272 SO20 6AA: not on the flood risk listSO20 6AB: not on the flood risk listSO20 6AD: not on the flood risk listSO20 6AF: not on the flood risk listSO20 6AG: not on the flood risk listSO20 6AH: not on the flood risk listSO20 6AL: not on the flood risk listSO20 6AP: not on the flood risk listSO20 6AR: not on the flood risk listSO20 6AT: not on the flood risk listSO20 6AU: not on the flood risk listSO20 6AY: not on the flood risk listSO20 6BA: not on the flood risk listSO20 6BH: not on the flood risk listSO20 6BJ: not on the flood risk listSO20 6BL: not on the flood risk listSO20 6BN: not on the flood risk listSO20 6BP: not on the flood risk listSO20 6BQ: not on the flood risk listSO20 6BS: not on the flood risk listSO20 6BT: not on the flood risk listSO20 6BU: not on the flood risk listSO20 6BW: not on the flood risk listSO20 6BX: not on the flood risk listSO20 6BY: not on the flood risk listSO20 6BZ: not on the flood risk listSO20 6DA: not on the flood risk listSO20 6DB: not on the flood risk listSO20 6DD: not on the flood risk listSO20 6DE: not on the flood risk listSO20 6DF: not on the flood risk listSO20 6DH: not on the flood risk listSO20 6DJ: not on the flood risk listSO20 6DL: not on the flood risk listSO20 6DN: not on the flood risk listSO20 6DR: not on the flood risk listSO20 6DS: not on the flood risk listSO20 6DU: not on the flood risk listSO20 6DW: not on the flood risk listSO20 6DX: not on the flood risk listSO20 6DY: not on the flood risk listSO20 6DZ: not on the flood risk listSO20 6EB: not on the flood risk listSO20 6ED: not on the flood risk listSO20 6EG: not on the flood risk listSO20 6EJ: not on the flood risk listSO20 6EL: not on the flood risk listSO20 6EN: not on the flood risk listSO20 6EQ: not on the flood risk listSO20 6EW: not on the flood risk listSO20 6EZ: not on the flood risk listSO20 6FA: not on the flood risk listSO20 6FB: not on the flood risk listSO20 6FD: not on the flood risk listSO20 6FE: not on the flood risk listSO20 6FY: not on the flood risk listSO20 6HA: not on the flood risk listSO20 6HH: not on the flood risk listSO20 6HJ: not on the flood risk listSO20 6HL: not on the flood risk listSO20 6HN: not on the flood risk listSO20 6HP: not on the flood risk listSO20 6HS: not on the flood risk listSO20 6HW: not on the flood risk listSO20 6HZ: not on the flood risk listSO20 6JA: not on the flood risk listSO20 6JE: not on the flood risk listSO20 6JF: not on the flood risk listSO20 6JH: not on the flood risk listSO20 6JJ: not on the flood risk listSO20 6JP: not on the flood risk listSO20 6JQ: not on the flood risk listSO20 6JR: not on the flood risk listSO20 6JS: not on the flood risk listSO20 6JT: not on the flood risk listSO20 6JU: not on the flood risk listSO20 6JX: not on the flood risk listSO20 6JY: not on the flood risk listSO20 6LF: not on the flood risk listSO20 6LG: not on the flood risk listSO20 6LH: not on the flood risk listSO20 6LJ: not on the flood risk listSO20 6LL: not on the flood risk listSO20 6LP: not on the flood risk listSO20 6LQ: not on the flood risk listSO20 6LR: not on the flood risk listSO20 6LS: not on the flood risk listSO20 6LU: not on the flood risk listSO20 6LZ: not on the flood risk listSO20 6NJ: not on the flood risk listSO20 6NL: not on the flood risk listSO20 6NN: not on the flood risk listSO20 6NP: not on the flood risk listSO20 6NR: not on the flood risk listSO20 6NU: not on the flood risk listSO20 6PG: not on the flood risk listSO20 6PH: not on the flood risk listSO20 6PJ: not on the flood risk listSO20 6PN: not on the flood risk listSO20 6PP: not on the flood risk listSO20 6PQ: not on the flood risk listSO20 6PR: not on the flood risk listSO20 6PS: not on the flood risk listSO20 6PT: not on the flood risk listSO20 6PY: not on the flood risk listSO20 6QG: not on the flood risk listSO20 6QH: not on the flood risk listSO20 6QJ: not on the flood risk listSO20 6QL: not on the flood risk listSO20 6QN: not on the flood risk listSO20 6QP: not on the flood risk listSO20 6QS: not on the flood risk listSO20 6QT: not on the flood risk listSO20 6QU: not on the flood risk listSO20 6QW: not on the flood risk listSO20 6QX: not on the flood risk listSO20 6QY: not on the flood risk listSO20 6QZ: not on the flood risk listSO20 6RA: not on the flood risk listSO20 6RB: not on the flood risk listSO20 6RD: not on the flood risk listSO20 6RE: not on the flood risk listSO20 6RF: not on the flood risk listSO20 6RG: not on the flood risk listSO20 6RH: not on the flood risk listSO20 6RJ: not on the flood risk listSO20 6RL: not on the flood risk listSO20 6RN: not on the flood risk listSO20 6RQ: not on the flood risk listSO20 6SA: not on the flood risk listSO20 6WP: not on the flood risk listSO20 6BD: low flood risk at worstSO20 6BE: low flood risk at worstSO20 6PA: low flood risk at worstSO20 6AZ: medium flood risk at worstSO20 6BB: medium flood risk at worstSO20 6EF: medium flood risk at worstSO20 6PF: medium flood risk at worstSO20 6PU: medium flood risk at worstSO20 6PW: medium flood risk at worstSO20 6PZ: medium flood risk at worstSO20 6AX: high flood riskSO20 6DG: high flood riskSO20 6DP: high flood riskSO20 6EH: high flood riskSO20 6ES: high flood riskSO20 6ET: high flood riskSO20 6EU: high flood riskSO20 6EX: high flood riskSO20 6EY: high flood riskSO20 6HE: high flood riskSO20 6JB: high flood riskSO20 6JG: high flood riskSO20 6NA: high flood riskSO20 6PL: high flood riskSO20 6NG: high flood riskSO20 6NZ: high flood riskSO20 6QR: high flood risk WinchesterKings Worthy 10 postcodes at high or medium risk, outlined: this goes to SO20 6HF, the one with most homes and businesses at high risk10 postcodes at high or medium risk6 postcodes at high or medium risk, outlined: this goes to SO20 6NZ, the one with most homes and businesses at high risk6 postcodes at high or medium risk Map of every postcode in the SO20 6 sector, by flood risk Of the 198 postcodes in the SO20 6 sector that ONS places, 19 have a home or business at high risk, 8 are at medium risk at worst, 6 are at low risk at worst and 165 are not on the Environment Agency's at-risk list. 2 groups of postcodes at high or medium risk are outlined: 10 postcodes at high or medium risk; 6 postcodes at high or medium risk. Places named: Winchester, Kings Worthy. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 5 km. A34 WinchesterKings Worthy
  • A home or business at high risk: 19
  • At medium risk at worst: 8
  • At low risk at worst: 6
  • At very low risk only: 0
  • Not on the at-risk list: 165
  • Outline: where 5 or more postcodes at high or medium risk lie together

Of the 198 postcodes in the SO20 6 sector that ONS places, 19 have a home or business at high risk, 8 are at medium risk at worst, 6 are at low risk at worst and 165 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 320 metres of each other. It is not a boundary, and 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

19 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.

SO20 6HF42 at high riskSO20 6EU32 at high riskSO20 6HE20 at high riskSO20 6EX18 at high riskSO20 6NZ13 at high riskSO20 6HB11 at high riskSO20 6EY7 at high riskSO20 6ES7 at high riskSO20 6ET6 at high riskSO20 6DG4 at high riskSO20 6EH2 at high riskSO20 6JG2 at high risk

Where the postcodes at high or medium risk lie together

  • 10 postcodes at high or medium risk, outlined on the map. SO20 6HF, is the one with most homes and businesses at high risk.
  • 6 postcodes at high or medium risk, outlined on the map. SO20 6NZ, is the one with most homes and businesses at high risk.

What do homes sell for in SO20 6?

Homes in SO20 6 sold for a typical £625,000 in the 12 months to August 2026, across 40 sales, up 19.6% on the 12 months before, HM Land Registry's figures show.

£625,000 typical price, the 12 months to August 2026
£522,500 12 months to August 2025
▲ up 19.6% on the 12 months before
  • Detached £820,000 19 sales
  • Semi-detached £505,000 9 sales
  • Terraced £450,000 7 sales
  • Flat or maisonette £210,000 5 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 SO20 6. 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 SO20 6

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.

SO20 6AASO20 6ABSO20 6ADSO20 6AESO20 6AFSO20 6AGSO20 6AHSO20 6AJSO20 6ALSO20 6ANSO20 6APSO20 6AQSO20 6ARSO20 6ASSO20 6ATSO20 6AUSO20 6AWSO20 6AXSO20 6AYSO20 6AZSO20 6BASO20 6BBSO20 6BDSO20 6BESO20 6BGSO20 6BHSO20 6BJSO20 6BLSO20 6BNSO20 6BPSO20 6BQSO20 6BSSO20 6BTSO20 6BUSO20 6BWSO20 6BXSO20 6BYSO20 6BZSO20 6DASO20 6DBSO20 6DDSO20 6DESO20 6DFSO20 6DGSO20 6DHSO20 6DJSO20 6DLSO20 6DNSO20 6DPSO20 6DQSO20 6DRSO20 6DSSO20 6DTSO20 6DUSO20 6DWSO20 6DXSO20 6DYSO20 6DZSO20 6EASO20 6EBSO20 6EDSO20 6EESO20 6EFSO20 6EGSO20 6EHSO20 6EJSO20 6ELSO20 6ENSO20 6EPSO20 6EQSO20 6ESSO20 6ETSO20 6EUSO20 6EWSO20 6EXSO20 6EYSO20 6EZSO20 6FASO20 6FBSO20 6FDSO20 6FESO20 6FFSO20 6FYSO20 6HASO20 6HBSO20 6HDSO20 6HESO20 6HFSO20 6HGSO20 6HHSO20 6HJSO20 6HLSO20 6HNSO20 6HPSO20 6HSSO20 6HWSO20 6HZSO20 6JASO20 6JBSO20 6JESO20 6JFSO20 6JGSO20 6JHSO20 6JJSO20 6JPSO20 6JQSO20 6JRSO20 6JSSO20 6JTSO20 6JUSO20 6JXSO20 6JYSO20 6LESO20 6LFSO20 6LGSO20 6LHSO20 6LJSO20 6LLSO20 6LNSO20 6LPSO20 6LQSO20 6LRSO20 6LSSO20 6LTSO20 6LUSO20 6LWSO20 6LYSO20 6LZSO20 6NASO20 6NBSO20 6NGSO20 6NHSO20 6NJSO20 6NLSO20 6NNSO20 6NPSO20 6NRSO20 6NSSO20 6NTSO20 6NUSO20 6NWSO20 6NXSO20 6NYSO20 6NZSO20 6PASO20 6PBSO20 6PDSO20 6PESO20 6PFSO20 6PGSO20 6PHSO20 6PJSO20 6PLSO20 6PNSO20 6PPSO20 6PQSO20 6PRSO20 6PSSO20 6PTSO20 6PUSO20 6PWSO20 6PYSO20 6PZSO20 6QASO20 6QBSO20 6QDSO20 6QFSO20 6QGSO20 6QHSO20 6QJSO20 6QLSO20 6QNSO20 6QPSO20 6QRSO20 6QSSO20 6QTSO20 6QUSO20 6QWSO20 6QXSO20 6QYSO20 6QZSO20 6RASO20 6RBSO20 6RDSO20 6RESO20 6RFSO20 6RGSO20 6RHSO20 6RJSO20 6RLSO20 6RNSO20 6RPSO20 6RQSO20 6RXSO20 6SASO20 6WPSO20 6ZLSO20 6ZX

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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