SO18 5 postcode sector in the SO18 district

SO18 5 is a sector of the SO18 district: every postcode that starts SO18 5. It has 195 postcodes in use, one of them a large-user postcode. 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 5 sector, by flood risk

Map of every postcode in the SO18 5 sector, by flood risk Of the 195 postcodes in the SO18 5 sector that ONS places, 195 are not on the Environment Agency's at-risk list. Places named: Harefield. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A27 SO18 5AB: not on the flood risk listSO18 5AD: not on the flood risk listSO18 5AE: not on the flood risk listSO18 5AF: not on the flood risk listSO18 5BQ: not on the flood risk listSO18 5BR: not on the flood risk listSO18 5BS: not on the flood risk listSO18 5BT: not on the flood risk listSO18 5BU: not on the flood risk listSO18 5BW: not on the flood risk listSO18 5BX: not on the flood risk listSO18 5BY: not on the flood risk listSO18 5BZ: not on the flood risk listSO18 5DA: not on the flood risk listSO18 5DB: not on the flood risk listSO18 5DD: not on the flood risk listSO18 5DE: not on the flood risk listSO18 5DF: not on the flood risk listSO18 5DG: not on the flood risk listSO18 5DH: not on the flood risk listSO18 5DJ: not on the flood risk listSO18 5DP: not on the flood risk listSO18 5DQ: not on the flood risk listSO18 5DR: not on the flood risk listSO18 5DS: not on the flood risk listSO18 5DT: not on the flood risk listSO18 5DU: not on the flood risk listSO18 5DW: not on the flood risk listSO18 5DX: not on the flood risk listSO18 5DY: not on the flood risk listSO18 5DZ: not on the flood risk listSO18 5EA: not on the flood risk listSO18 5EB: not on the flood risk listSO18 5ED: not on the flood risk listSO18 5EE: not on the flood risk listSO18 5EF: not on the flood risk listSO18 5EG: not on the flood risk listSO18 5EH: not on the flood risk listSO18 5EJ: not on the flood risk listSO18 5EL: not on the flood risk listSO18 5EN: not on the flood risk listSO18 5EP: not on the flood risk listSO18 5EQ: not on the flood risk listSO18 5ER: not on the flood risk listSO18 5EY: not on the flood risk listSO18 5EZ: not on the flood risk listSO18 5FB: not on the flood risk listSO18 5FD: not on the flood risk listSO18 5FE: not on the flood risk listSO18 5FH: not on the flood risk listSO18 5FJ: not on the flood risk listSO18 5FL: not on the flood risk listSO18 5FN: not on the flood risk listSO18 5FP: not on the flood risk listSO18 5FQ: not on the flood risk listSO18 5FR: not on the flood risk listSO18 5FS: not on the flood risk listSO18 5FT: not on the flood risk listSO18 5FU: not on the flood risk listSO18 5FW: not on the flood risk listSO18 5FX: not on the flood risk listSO18 5FY: not on the flood risk listSO18 5FZ: not on the flood risk listSO18 5GA: not on the flood risk listSO18 5GB: not on the flood risk listSO18 5GD: not on the flood risk listSO18 5GE: not on the flood risk listSO18 5GF: not on the flood risk listSO18 5GG: not on the flood risk listSO18 5GH: not on the flood risk listSO18 5GJ: not on the flood risk listSO18 5GL: not on the flood risk listSO18 5GN: not on the flood risk listSO18 5GP: not on the flood risk listSO18 5GQ: not on the flood risk listSO18 5GR: not on the flood risk listSO18 5GS: not on the flood risk listSO18 5GT: not on the flood risk listSO18 5GU: not on the flood risk listSO18 5GW: not on the flood risk listSO18 5GX: not on the flood risk listSO18 5GY: not on the flood risk listSO18 5GZ: not on the flood risk listSO18 5HA: not on the flood risk listSO18 5HB: not on the flood risk listSO18 5HD: not on the flood risk listSO18 5HE: not on the flood risk listSO18 5HF: not on the flood risk listSO18 5HG: not on the flood risk listSO18 5HH: not on the flood risk listSO18 5HJ: not on the flood risk listSO18 5HL: not on the flood risk listSO18 5HN: not on the flood risk listSO18 5HP: not on the flood risk listSO18 5HQ: not on the flood risk listSO18 5HR: not on the flood risk listSO18 5HS: not on the flood risk listSO18 5HT: not on the flood risk listSO18 5HU: not on the flood risk listSO18 5HW: not on the flood risk listSO18 5HX: not on the flood risk listSO18 5HY: not on the flood risk listSO18 5HZ: not on the flood risk listSO18 5JA: not on the flood risk listSO18 5JB: not on the flood risk listSO18 5JD: not on the flood risk listSO18 5JE: not on the flood risk listSO18 5JF: not on the flood risk listSO18 5JG: not on the flood risk listSO18 5JH: not on the flood risk listSO18 5JL: not on the flood risk listSO18 5LA: not on the flood risk listSO18 5LB: not on the flood risk listSO18 5LZ: not on the flood risk listSO18 5NA: not on the flood risk listSO18 5NB: not on the flood risk listSO18 5ND: not on the flood risk listSO18 5NE: not on the flood risk listSO18 5NF: not on the flood risk listSO18 5NG: not on the flood risk listSO18 5NH: not on the flood risk listSO18 5NP: not on the flood risk listSO18 5NZ: not on the flood risk listSO18 5PA: not on the flood risk listSO18 5PB: not on the flood risk listSO18 5PD: not on the flood risk listSO18 5PE: not on the flood risk listSO18 5PF: not on the flood risk listSO18 5PG: not on the flood risk listSO18 5PQ: not on the flood risk listSO18 5PR: not on the flood risk listSO18 5PS: not on the flood risk listSO18 5PT: not on the flood risk listSO18 5PU: not on the flood risk listSO18 5PW: not on the flood risk listSO18 5PX: not on the flood risk listSO18 5PY: not on the flood risk listSO18 5PZ: not on the flood risk listSO18 5QA: not on the flood risk listSO18 5QB: not on the flood risk listSO18 5QD: not on the flood risk listSO18 5QE: not on the flood risk listSO18 5QF: not on the flood risk listSO18 5QG: not on the flood risk listSO18 5QH: not on the flood risk listSO18 5QJ: not on the flood risk listSO18 5QL: not on the flood risk listSO18 5QP: not on the flood risk listSO18 5QQ: not on the flood risk listSO18 5QR: not on the flood risk listSO18 5QS: not on the flood risk listSO18 5QT: not on the flood risk listSO18 5QU: not on the flood risk listSO18 5QW: not on the flood risk listSO18 5QX: not on the flood risk listSO18 5QY: not on the flood risk listSO18 5QZ: not on the flood risk listSO18 5RB: not on the flood risk listSO18 5RD: not on the flood risk listSO18 5RE: not on the flood risk listSO18 5RF: not on the flood risk listSO18 5RG: not on the flood risk listSO18 5RH: not on the flood risk listSO18 5RJ: not on the flood risk listSO18 5RN: not on the flood risk listSO18 5RP: not on the flood risk listSO18 5RQ: not on the flood risk listSO18 5RR: not on the flood risk listSO18 5RS: not on the flood risk listSO18 5RT: not on the flood risk listSO18 5RZ: not on the flood risk listSO18 5SA: not on the flood risk listSO18 5SE: not on the flood risk listSO18 5SF: not on the flood risk listSO18 5SH: not on the flood risk listSO18 5SJ: not on the flood risk listSO18 5SR: not on the flood risk listSO18 5SS: not on the flood risk listSO18 5SU: not on the flood risk listSO18 5SW: not on the flood risk listSO18 5SZ: not on the flood risk listSO18 5TB: not on the flood risk listSO18 5TE: not on the flood risk listSO18 5TF: not on the flood risk listSO18 5TG: not on the flood risk listSO18 5TH: not on the flood risk listSO18 5TJ: not on the flood risk listSO18 5TN: not on the flood risk listSO18 5TP: not on the flood risk listSO18 5TQ: not on the flood risk listSO18 5TR: not on the flood risk listSO18 5TS: not on the flood risk listSO18 5TT: not on the flood risk listSO18 5TU: not on the flood risk listSO18 5TW: not on the flood risk list Harefield Map of every postcode in the SO18 5 sector, by flood risk Of the 195 postcodes in the SO18 5 sector that ONS places, 195 are not on the Environment Agency's at-risk list. Places named: Harefield. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Harefield
  • 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: 195

Of the 195 postcodes in the SO18 5 sector that ONS places, 195 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. 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 SO18 5?

Homes in SO18 5 sold for a typical £270,000 in the 12 months to August 2026, across 101 sales, down 6.1% on the 12 months before, HM Land Registry's figures show.

£270,000 typical price, the 12 months to August 2026
£287,500 12 months to August 2025
▼ down 6.1% on the 12 months before
  • Detached £380,000 15 sales
  • Semi-detached £330,000 23 sales
  • Terraced £270,000 34 sales
  • Flat or maisonette £167,500 29 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 5. 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 5

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 5ABSO18 5ADSO18 5AESO18 5AFSO18 5BQSO18 5BRSO18 5BSSO18 5BTSO18 5BUSO18 5BWSO18 5BXSO18 5BYSO18 5BZSO18 5DASO18 5DBSO18 5DDSO18 5DESO18 5DFSO18 5DGSO18 5DHSO18 5DJSO18 5DPSO18 5DQSO18 5DRSO18 5DSSO18 5DTSO18 5DUSO18 5DWSO18 5DXSO18 5DYSO18 5DZSO18 5EASO18 5EBSO18 5EDSO18 5EESO18 5EFSO18 5EGSO18 5EHSO18 5EJSO18 5ELSO18 5ENSO18 5EPSO18 5EQSO18 5ERSO18 5EYSO18 5EZSO18 5FBSO18 5FDSO18 5FESO18 5FHSO18 5FJSO18 5FLSO18 5FNSO18 5FPSO18 5FQSO18 5FRSO18 5FSSO18 5FTSO18 5FUSO18 5FWSO18 5FXSO18 5FYSO18 5FZSO18 5GASO18 5GBSO18 5GDSO18 5GESO18 5GFSO18 5GGSO18 5GHSO18 5GJSO18 5GLSO18 5GNSO18 5GPSO18 5GQSO18 5GRSO18 5GSSO18 5GTSO18 5GUSO18 5GWSO18 5GXSO18 5GYSO18 5GZSO18 5HASO18 5HBSO18 5HDSO18 5HESO18 5HFSO18 5HGSO18 5HHSO18 5HJSO18 5HLSO18 5HNSO18 5HPSO18 5HQSO18 5HRSO18 5HSSO18 5HTSO18 5HUSO18 5HWSO18 5HXSO18 5HYSO18 5HZSO18 5JASO18 5JBSO18 5JDSO18 5JESO18 5JFSO18 5JGSO18 5JHSO18 5JLSO18 5LASO18 5LBSO18 5LZSO18 5NASO18 5NBSO18 5NDSO18 5NESO18 5NFSO18 5NGSO18 5NHSO18 5NPSO18 5NZSO18 5PASO18 5PBSO18 5PDSO18 5PESO18 5PFSO18 5PGSO18 5PQSO18 5PRSO18 5PSSO18 5PTSO18 5PUSO18 5PWSO18 5PXSO18 5PYSO18 5PZSO18 5QASO18 5QBSO18 5QDSO18 5QESO18 5QFSO18 5QGSO18 5QHSO18 5QJSO18 5QLSO18 5QPSO18 5QQSO18 5QRSO18 5QSSO18 5QTSO18 5QUSO18 5QWSO18 5QXSO18 5QYSO18 5QZSO18 5RBSO18 5RDSO18 5RESO18 5RFSO18 5RGSO18 5RHSO18 5RJSO18 5RNSO18 5RPSO18 5RQSO18 5RRSO18 5RSSO18 5RTSO18 5RZSO18 5SASO18 5SESO18 5SFSO18 5SHSO18 5SJSO18 5SRSO18 5SSSO18 5SUSO18 5SWSO18 5SZSO18 5TBSO18 5TESO18 5TFSO18 5TGSO18 5THSO18 5TJSO18 5TNSO18 5TPSO18 5TQSO18 5TRSO18 5TSSO18 5TTSO18 5TUSO18 5TW

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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