SO18 1 postcode sector in the SO18 district

SO18 1 is a sector of the SO18 district: every postcode that starts SO18 1. It has 193 postcodes in use, 4 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 SO18 1 sector, and which are new since 2020

Map of every postcode in the SO18 1 sector, by new since 2020 Of the 193 postcodes in the SO18 1 sector that ONS places, 193 were in use before 2020. Places named: Bitterne Park. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A335A3035A3024 SO18 1AB: before 2020SO18 1AD: before 2020SO18 1AE: before 2020SO18 1AF: before 2020SO18 1AG: before 2020SO18 1AH: before 2020SO18 1AJ: before 2020SO18 1AL: before 2020SO18 1AN: before 2020SO18 1AP: before 2020SO18 1AQ: before 2020SO18 1AR: before 2020SO18 1AS: before 2020SO18 1AT: before 2020SO18 1AU: before 2020SO18 1AW: before 2020SO18 1AX: before 2020SO18 1AY: before 2020SO18 1AZ: before 2020SO18 1BA: before 2020SO18 1BB: before 2020SO18 1BD: before 2020SO18 1BE: before 2020SO18 1BF: before 2020SO18 1BG: before 2020SO18 1BH: before 2020SO18 1BJ: before 2020SO18 1BL: before 2020SO18 1BN: before 2020SO18 1BP: before 2020SO18 1BQ: before 2020SO18 1BT: before 2020SO18 1BU: before 2020SO18 1BX: before 2020SO18 1BZ: before 2020SO18 1DH: before 2020SO18 1DL: before 2020SO18 1DN: before 2020SO18 1DP: before 2020SO18 1DR: before 2020SO18 1DS: before 2020SO18 1DU: before 2020SO18 1DW: before 2020SO18 1DX: before 2020SO18 1DY: before 2020SO18 1DZ: before 2020SO18 1EA: before 2020SO18 1EE: before 2020SO18 1EF: before 2020SO18 1EG: before 2020SO18 1EH: before 2020SO18 1EJ: before 2020SO18 1EL: before 2020SO18 1EN: before 2020SO18 1EP: before 2020SO18 1EQ: before 2020SO18 1ER: before 2020SO18 1ES: before 2020SO18 1FG: before 2020SO18 1FP: before 2020SO18 1FQ: before 2020SO18 1FS: before 2020SO18 1FT: before 2020SO18 1FU: before 2020SO18 1FW: before 2020SO18 1FX: before 2020SO18 1FY: before 2020SO18 1FZ: before 2020SO18 1GA: before 2020SO18 1GB: before 2020SO18 1GD: before 2020SO18 1GE: before 2020SO18 1GF: before 2020SO18 1GG: before 2020SO18 1GH: before 2020SO18 1GJ: before 2020SO18 1GL: before 2020SO18 1GN: before 2020SO18 1GP: before 2020SO18 1GQ: before 2020SO18 1GR: before 2020SO18 1GS: before 2020SO18 1GU: before 2020SO18 1HA: before 2020SO18 1HG: before 2020SO18 1HH: before 2020SO18 1HJ: before 2020SO18 1HL: before 2020SO18 1HN: before 2020SO18 1HP: before 2020SO18 1HT: before 2020SO18 1HZ: before 2020SO18 1JA: before 2020SO18 1JB: before 2020SO18 1JD: before 2020SO18 1JE: before 2020SO18 1JF: before 2020SO18 1JG: before 2020SO18 1JH: before 2020SO18 1JJ: before 2020SO18 1JL: before 2020SO18 1JN: before 2020SO18 1JP: before 2020SO18 1JQ: before 2020SO18 1JR: before 2020SO18 1JS: before 2020SO18 1JT: before 2020SO18 1JW: before 2020SO18 1JX: before 2020SO18 1JY: before 2020SO18 1JZ: before 2020SO18 1LA: before 2020SO18 1LB: before 2020SO18 1LD: before 2020SO18 1LE: before 2020SO18 1LF: before 2020SO18 1LG: before 2020SO18 1LH: before 2020SO18 1LJ: before 2020SO18 1LL: before 2020SO18 1LN: before 2020SO18 1LP: before 2020SO18 1LQ: before 2020SO18 1LR: before 2020SO18 1LS: before 2020SO18 1LT: before 2020SO18 1LU: before 2020SO18 1LW: before 2020SO18 1LX: before 2020SO18 1LY: before 2020SO18 1LZ: before 2020SO18 1NA: before 2020SO18 1NB: before 2020SO18 1ND: before 2020SO18 1NE: before 2020SO18 1NF: before 2020SO18 1NG: before 2020SO18 1NH: before 2020SO18 1NJ: before 2020SO18 1NL: before 2020SO18 1NN: before 2020SO18 1NP: before 2020SO18 1NQ: before 2020SO18 1NR: before 2020SO18 1NS: before 2020SO18 1NT: before 2020SO18 1NU: before 2020SO18 1NW: before 2020SO18 1NX: before 2020SO18 1NY: before 2020SO18 1NZ: before 2020SO18 1PA: before 2020SO18 1PB: before 2020SO18 1PD: before 2020SO18 1PE: before 2020SO18 1PF: before 2020SO18 1PG: before 2020SO18 1PH: before 2020SO18 1PJ: before 2020SO18 1PL: before 2020SO18 1PN: before 2020SO18 1PQ: before 2020SO18 1QA: before 2020SO18 1QB: before 2020SO18 1QD: before 2020SO18 1QN: before 2020SO18 1QP: before 2020SO18 1QQ: before 2020SO18 1QR: before 2020SO18 1QS: before 2020SO18 1QT: before 2020SO18 1QU: before 2020SO18 1QW: before 2020SO18 1QX: before 2020SO18 1QY: before 2020SO18 1RB: before 2020SO18 1RD: before 2020SO18 1TU: before 2020SO18 1TY: before 2020SO18 1UA: before 2020SO18 1UB: before 2020SO18 1UD: before 2020SO18 1UE: before 2020SO18 1UG: before 2020SO18 1UH: before 2020SO18 1UR: before 2020SO18 1ZA: before 2020SO18 1DG: before 2020 Bitterne Park Map of every postcode in the SO18 1 sector, by new since 2020 Of the 193 postcodes in the SO18 1 sector that ONS places, 193 were in use before 2020. Places named: Bitterne Park. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A335 Bitterne Park
  • New since 2020: 0
  • In use before 2020: 193

Of the 193 postcodes in the SO18 1 sector that ONS places, 193 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. 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; 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

What do homes sell for in SO18 1?

Homes in SO18 1 sold for a typical £280,000 in the 12 months to August 2026, across 91 sales, up 1.3% on the 12 months before, HM Land Registry's figures show.

£280,000 typical price, the 12 months to August 2026
£276,500 12 months to August 2025
▲ up 1.3% on the 12 months before
  • Detached £380,000 19 sales
  • Semi-detached £350,000 31 sales
  • Terraced £279,250 6 sales
  • Flat or maisonette £140,000 35 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 SO18 1. 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 SO18 1

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.

SO18 1ABSO18 1ADSO18 1AESO18 1AFSO18 1AGSO18 1AHSO18 1AJSO18 1ALSO18 1ANSO18 1APSO18 1AQSO18 1ARSO18 1ASSO18 1ATSO18 1AUSO18 1AWSO18 1AXSO18 1AYSO18 1AZSO18 1BASO18 1BBSO18 1BDSO18 1BESO18 1BFSO18 1BGSO18 1BHSO18 1BJSO18 1BLSO18 1BNSO18 1BPSO18 1BQSO18 1BTSO18 1BUSO18 1BXSO18 1BZSO18 1DGSO18 1DHSO18 1DLSO18 1DNSO18 1DPSO18 1DRSO18 1DSSO18 1DUSO18 1DWSO18 1DXSO18 1DYSO18 1DZSO18 1EASO18 1EBSO18 1EDSO18 1EESO18 1EFSO18 1EGSO18 1EHSO18 1EJSO18 1ELSO18 1ENSO18 1EPSO18 1EQSO18 1ERSO18 1ESSO18 1FGSO18 1FPSO18 1FQSO18 1FSSO18 1FTSO18 1FUSO18 1FWSO18 1FXSO18 1FYSO18 1FZSO18 1GASO18 1GBSO18 1GDSO18 1GESO18 1GFSO18 1GGSO18 1GHSO18 1GJSO18 1GLSO18 1GNSO18 1GPSO18 1GQSO18 1GRSO18 1GSSO18 1GTSO18 1GUSO18 1HASO18 1HGSO18 1HHSO18 1HJSO18 1HLSO18 1HNSO18 1HPSO18 1HTSO18 1HZSO18 1JASO18 1JBSO18 1JDSO18 1JESO18 1JFSO18 1JGSO18 1JHSO18 1JJSO18 1JLSO18 1JNSO18 1JPSO18 1JQSO18 1JRSO18 1JSSO18 1JTSO18 1JWSO18 1JXSO18 1JYSO18 1JZSO18 1LASO18 1LBSO18 1LDSO18 1LESO18 1LFSO18 1LGSO18 1LHSO18 1LJSO18 1LLSO18 1LNSO18 1LPSO18 1LQSO18 1LRSO18 1LSSO18 1LTSO18 1LUSO18 1LWSO18 1LXSO18 1LYSO18 1LZSO18 1NASO18 1NBSO18 1NDSO18 1NESO18 1NFSO18 1NGSO18 1NHSO18 1NJSO18 1NLSO18 1NNSO18 1NPSO18 1NQSO18 1NRSO18 1NSSO18 1NTSO18 1NUSO18 1NWSO18 1NXSO18 1NYSO18 1NZSO18 1PASO18 1PBSO18 1PDSO18 1PESO18 1PFSO18 1PGSO18 1PHSO18 1PJSO18 1PLSO18 1PNSO18 1PQSO18 1QASO18 1QBSO18 1QDSO18 1QNSO18 1QPSO18 1QQSO18 1QRSO18 1QSSO18 1QTSO18 1QUSO18 1QWSO18 1QXSO18 1QYSO18 1RBSO18 1RDSO18 1RESO18 1TUSO18 1TYSO18 1UASO18 1UBSO18 1UDSO18 1UESO18 1UGSO18 1UHSO18 1URSO18 1WTSO18 1ZA

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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