SO23 9 postcode sector in the SO23 district

SO23 9 is a sector of the SO23 district: every postcode that starts SO23 9. It has 195 postcodes in use, 19 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 SO23 9 sector, and which are new since 2020

Map of every postcode in the SO23 9 sector, by new since 2020 Of the 195 postcodes in the SO23 9 sector that ONS places, 1 are new since 2020 and 194 were in use before 2020. One postcode lies beyond the edge and is listed under the map. Places named: Winchester. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. M3 SO23 9AA: before 2020SO23 9AD: before 2020SO23 9AE: before 2020SO23 9AF: before 2020SO23 9AH: before 2020SO23 9AP: before 2020SO23 9AS: before 2020SO23 9AU: before 2020SO23 9AX: before 2020SO23 9AY: before 2020SO23 9AZ: before 2020SO23 9BA: before 2020SO23 9BD: before 2020SO23 9BE: before 2020SO23 9BG: before 2020SO23 9BH: before 2020SO23 9BL: before 2020SO23 9BN: before 2020SO23 9BQ: before 2020SO23 9BT: before 2020SO23 9BU: before 2020SO23 9BW: before 2020SO23 9BX: before 2020SO23 9DA: before 2020SO23 9DB: before 2020SO23 9DF: before 2020SO23 9DH: before 2020SO23 9DR: before 2020SO23 9DW: before 2020SO23 9DY: before 2020SO23 9DZ: before 2020SO23 9EB: before 2020SO23 9ED: before 2020SO23 9EF: before 2020SO23 9EG: before 2020SO23 9EH: before 2020SO23 9EL: before 2020SO23 9EN: before 2020SO23 9EP: before 2020SO23 9ES: before 2020SO23 9EX: before 2020SO23 9GH: before 2020SO23 9GN: before 2020SO23 9GZ: before 2020SO23 9HA: before 2020SO23 9HB: before 2020SO23 9HE: before 2020SO23 9HF: before 2020SO23 9HG: before 2020SO23 9HH: before 2020SO23 9HJ: before 2020SO23 9HL: before 2020SO23 9HN: before 2020SO23 9HP: before 2020SO23 9HQ: before 2020SO23 9HT: before 2020SO23 9HU: before 2020SO23 9HW: before 2020SO23 9HX: before 2020SO23 9JA: before 2020SO23 9JB: before 2020SO23 9JD: before 2020SO23 9JE: before 2020SO23 9JF: before 2020SO23 9JG: before 2020SO23 9JJ: before 2020SO23 9JL: before 2020SO23 9JP: before 2020SO23 9JQ: before 2020SO23 9JR: before 2020SO23 9JS: before 2020SO23 9JT: before 2020SO23 9JU: before 2020SO23 9JW: before 2020SO23 9JX: before 2020SO23 9LD: before 2020SO23 9LE: before 2020SO23 9LF: before 2020SO23 9LG: before 2020SO23 9LH: before 2020SO23 9LJ: before 2020SO23 9LL: before 2020SO23 9LN: before 2020SO23 9LP: before 2020SO23 9LQ: before 2020SO23 9LR: before 2020SO23 9LS: before 2020SO23 9LT: before 2020SO23 9LX: before 2020SO23 9LY: before 2020SO23 9NA: before 2020SO23 9NB: before 2020SO23 9ND: before 2020SO23 9NE: before 2020SO23 9NF: before 2020SO23 9NG: before 2020SO23 9NL: before 2020SO23 9NN: before 2020SO23 9NP: before 2020SO23 9NQ: before 2020SO23 9NR: before 2020SO23 9NS: before 2020SO23 9NT: before 2020SO23 9NU: before 2020SO23 9PA: before 2020SO23 9PD: before 2020SO23 9PE: before 2020SO23 9PF: before 2020SO23 9PG: before 2020SO23 9PH: before 2020SO23 9PL: before 2020SO23 9PP: before 2020SO23 9PQ: before 2020SO23 9PR: before 2020SO23 9PS: before 2020SO23 9PU: before 2020SO23 9PW: before 2020SO23 9PX: before 2020SO23 9PZ: before 2020SO23 9QA: before 2020SO23 9QB: before 2020SO23 9QD: before 2020SO23 9QE: before 2020SO23 9QF: before 2020SO23 9QG: before 2020SO23 9QH: before 2020SO23 9QP: before 2020SO23 9QQ: before 2020SO23 9QR: before 2020SO23 9QU: before 2020SO23 9QX: before 2020SO23 9QY: before 2020SO23 9QZ: before 2020SO23 9RA: before 2020SO23 9RB: before 2020SO23 9RD: before 2020SO23 9RE: before 2020SO23 9RF: before 2020SO23 9RG: before 2020SO23 9RH: before 2020SO23 9RJ: before 2020SO23 9RQ: before 2020SO23 9RS: before 2020SO23 9RT: before 2020SO23 9RU: before 2020SO23 9RX: before 2020SO23 9SA: before 2020SO23 9SB: before 2020SO23 9SD: before 2020SO23 9SE: before 2020SO23 9SF: before 2020SO23 9SG: before 2020SO23 9SH: before 2020SO23 9SJ: before 2020SO23 9SL: before 2020SO23 9SN: before 2020SO23 9SP: before 2020SO23 9SQ: before 2020SO23 9SR: before 2020SO23 9SS: before 2020SO23 9ST: before 2020SO23 9SU: before 2020SO23 9SW: before 2020SO23 9SX: before 2020SO23 9SY: before 2020SO23 9TA: before 2020SO23 9TD: before 2020SO23 9TE: before 2020SO23 9TG: before 2020SO23 9TH: before 2020SO23 9TJ: before 2020SO23 9TL: before 2020SO23 9TN: before 2020SO23 9TP: before 2020SO23 9TR: before 2020SO23 9TS: before 2020SO23 9TT: before 2020SO23 9TU: before 2020SO23 9TW: before 2020SO23 9TY: before 2020SO23 9TZ: before 2020SO23 9WW: before 2020SO23 9YQ: before 2020SO23 9AJ: before 2020SO23 9NJ: before 2020SO23 9EQ: new since 2020 Winchester Map of every postcode in the SO23 9 sector, by new since 2020 Of the 195 postcodes in the SO23 9 sector that ONS places, 1 are new since 2020 and 194 were in use before 2020. One postcode lies beyond the edge and is listed under the map. Places named: Winchester. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. M3 Winchester
  • New since 2020: 1
  • In use before 2020: 194

Of the 195 postcodes in the SO23 9 sector that ONS places, 1 are new since 2020 and 194 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

SO23 9EQFebruary 2021

Further out, not drawn

This postcode lies well apart from the rest, so the map is drawn without it to show the rest closer; it is in every count.

SO23 9RZ

What do homes sell for in SO23 9?

Homes in SO23 9 sold for a typical £659,900 in the 12 months to August 2026, across 55 sales, up 6.4% on the 12 months before, HM Land Registry's figures show.

£659,900 typical price, the 12 months to August 2026
£620,000 12 months to August 2025
▲ up 6.4% on the 12 months before
  • Detached £1,210,000 11 sales
  • Semi-detached £920,000 9 sales
  • Terraced £677,500 20 sales
  • Flat or maisonette £311,500 15 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 SO23 9. 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 SO23 9

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.

SO23 9AASO23 9ADSO23 9AESO23 9AFSO23 9AHSO23 9AJSO23 9ALSO23 9APSO23 9ASSO23 9AUSO23 9AXSO23 9AYSO23 9AZSO23 9BASO23 9BDSO23 9BESO23 9BGSO23 9BHSO23 9BLSO23 9BNSO23 9BQSO23 9BTSO23 9BUSO23 9BWSO23 9BXSO23 9BZSO23 9DASO23 9DBSO23 9DFSO23 9DHSO23 9DRSO23 9DTSO23 9DWSO23 9DYSO23 9DZSO23 9EBSO23 9EDSO23 9EFSO23 9EGSO23 9EHSO23 9ELSO23 9ENSO23 9EPSO23 9EQSO23 9ESSO23 9EXSO23 9GHSO23 9GNSO23 9GZSO23 9HASO23 9HBSO23 9HESO23 9HFSO23 9HGSO23 9HHSO23 9HJSO23 9HLSO23 9HNSO23 9HPSO23 9HQSO23 9HRSO23 9HTSO23 9HUSO23 9HWSO23 9HXSO23 9JASO23 9JBSO23 9JDSO23 9JESO23 9JFSO23 9JGSO23 9JJSO23 9JLSO23 9JNSO23 9JPSO23 9JQSO23 9JRSO23 9JSSO23 9JTSO23 9JUSO23 9JWSO23 9JXSO23 9LDSO23 9LESO23 9LFSO23 9LGSO23 9LHSO23 9LJSO23 9LLSO23 9LNSO23 9LPSO23 9LQSO23 9LRSO23 9LSSO23 9LTSO23 9LXSO23 9LYSO23 9LZSO23 9NASO23 9NBSO23 9NDSO23 9NESO23 9NFSO23 9NGSO23 9NJSO23 9NLSO23 9NNSO23 9NPSO23 9NQSO23 9NRSO23 9NSSO23 9NTSO23 9NUSO23 9NXSO23 9PASO23 9PDSO23 9PESO23 9PFSO23 9PGSO23 9PHSO23 9PLSO23 9PPSO23 9PQSO23 9PRSO23 9PSSO23 9PUSO23 9PWSO23 9PXSO23 9PZSO23 9QASO23 9QBSO23 9QDSO23 9QESO23 9QFSO23 9QGSO23 9QHSO23 9QPSO23 9QQSO23 9QRSO23 9QUSO23 9QXSO23 9QYSO23 9QZSO23 9RASO23 9RBSO23 9RDSO23 9RESO23 9RFSO23 9RGSO23 9RHSO23 9RJSO23 9RQSO23 9RSSO23 9RTSO23 9RUSO23 9RXSO23 9RZSO23 9SASO23 9SBSO23 9SDSO23 9SESO23 9SFSO23 9SGSO23 9SHSO23 9SJSO23 9SLSO23 9SNSO23 9SPSO23 9SQSO23 9SRSO23 9SSSO23 9STSO23 9SUSO23 9SWSO23 9SXSO23 9SYSO23 9TASO23 9TDSO23 9TESO23 9TGSO23 9THSO23 9TJSO23 9TLSO23 9TNSO23 9TPSO23 9TRSO23 9TSSO23 9TTSO23 9TUSO23 9TWSO23 9TYSO23 9TZSO23 9WWSO23 9YQSO23 9ZX

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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