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, and which are new since 2020

Map of every postcode in the SO18 5 sector, by new since 2020 Of the 195 postcodes in the SO18 5 sector that ONS places, 1 are new since 2020 and 194 were in use before 2020. Places named: Harefield. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A27 SO18 5AB: before 2020SO18 5AD: before 2020SO18 5AE: before 2020SO18 5BQ: before 2020SO18 5BR: before 2020SO18 5BS: before 2020SO18 5BT: before 2020SO18 5BU: before 2020SO18 5BW: before 2020SO18 5BX: before 2020SO18 5BY: before 2020SO18 5BZ: before 2020SO18 5DA: before 2020SO18 5DB: before 2020SO18 5DD: before 2020SO18 5DE: before 2020SO18 5DF: before 2020SO18 5DG: before 2020SO18 5DH: before 2020SO18 5DJ: before 2020SO18 5DP: before 2020SO18 5DQ: before 2020SO18 5DR: before 2020SO18 5DS: before 2020SO18 5DT: before 2020SO18 5DU: before 2020SO18 5DW: before 2020SO18 5DX: before 2020SO18 5DY: before 2020SO18 5DZ: before 2020SO18 5EA: before 2020SO18 5EB: before 2020SO18 5ED: before 2020SO18 5EE: before 2020SO18 5EF: before 2020SO18 5EG: before 2020SO18 5EH: before 2020SO18 5EJ: before 2020SO18 5EL: before 2020SO18 5EN: before 2020SO18 5EP: before 2020SO18 5EQ: before 2020SO18 5ER: before 2020SO18 5EY: before 2020SO18 5EZ: before 2020SO18 5FB: before 2020SO18 5FD: before 2020SO18 5FE: before 2020SO18 5FH: before 2020SO18 5FJ: before 2020SO18 5FL: before 2020SO18 5FN: before 2020SO18 5FP: before 2020SO18 5FQ: before 2020SO18 5FR: before 2020SO18 5FS: before 2020SO18 5FT: before 2020SO18 5FU: before 2020SO18 5FW: before 2020SO18 5FX: before 2020SO18 5FY: before 2020SO18 5FZ: before 2020SO18 5GA: before 2020SO18 5GB: before 2020SO18 5GD: before 2020SO18 5GE: before 2020SO18 5GF: before 2020SO18 5GG: before 2020SO18 5GH: before 2020SO18 5GJ: before 2020SO18 5GL: before 2020SO18 5GN: before 2020SO18 5GP: before 2020SO18 5GQ: before 2020SO18 5GR: before 2020SO18 5GS: before 2020SO18 5GT: before 2020SO18 5GU: before 2020SO18 5GW: before 2020SO18 5GX: before 2020SO18 5GY: before 2020SO18 5GZ: before 2020SO18 5HA: before 2020SO18 5HB: before 2020SO18 5HD: before 2020SO18 5HE: before 2020SO18 5HF: before 2020SO18 5HG: before 2020SO18 5HH: before 2020SO18 5HJ: before 2020SO18 5HL: before 2020SO18 5HN: before 2020SO18 5HP: before 2020SO18 5HQ: before 2020SO18 5HR: before 2020SO18 5HS: before 2020SO18 5HT: before 2020SO18 5HU: before 2020SO18 5HW: before 2020SO18 5HX: before 2020SO18 5HY: before 2020SO18 5HZ: before 2020SO18 5JA: before 2020SO18 5JB: before 2020SO18 5JD: before 2020SO18 5JE: before 2020SO18 5JF: before 2020SO18 5JG: before 2020SO18 5JH: before 2020SO18 5JL: before 2020SO18 5LA: before 2020SO18 5LB: before 2020SO18 5LZ: before 2020SO18 5NA: before 2020SO18 5NB: before 2020SO18 5ND: before 2020SO18 5NE: before 2020SO18 5NF: before 2020SO18 5NG: before 2020SO18 5NH: before 2020SO18 5NP: before 2020SO18 5NZ: before 2020SO18 5PA: before 2020SO18 5PB: before 2020SO18 5PD: before 2020SO18 5PE: before 2020SO18 5PF: before 2020SO18 5PG: before 2020SO18 5PQ: before 2020SO18 5PR: before 2020SO18 5PS: before 2020SO18 5PT: before 2020SO18 5PU: before 2020SO18 5PW: before 2020SO18 5PX: before 2020SO18 5PY: before 2020SO18 5PZ: before 2020SO18 5QA: before 2020SO18 5QB: before 2020SO18 5QD: before 2020SO18 5QE: before 2020SO18 5QF: before 2020SO18 5QG: before 2020SO18 5QH: before 2020SO18 5QJ: before 2020SO18 5QL: before 2020SO18 5QP: before 2020SO18 5QQ: before 2020SO18 5QR: before 2020SO18 5QS: before 2020SO18 5QT: before 2020SO18 5QU: before 2020SO18 5QW: before 2020SO18 5QX: before 2020SO18 5QY: before 2020SO18 5QZ: before 2020SO18 5RB: before 2020SO18 5RD: before 2020SO18 5RE: before 2020SO18 5RF: before 2020SO18 5RG: before 2020SO18 5RH: before 2020SO18 5RJ: before 2020SO18 5RN: before 2020SO18 5RP: before 2020SO18 5RQ: before 2020SO18 5RR: before 2020SO18 5RS: before 2020SO18 5RT: before 2020SO18 5RZ: before 2020SO18 5SA: before 2020SO18 5SE: before 2020SO18 5SF: before 2020SO18 5SH: before 2020SO18 5SJ: before 2020SO18 5SR: before 2020SO18 5SS: before 2020SO18 5SU: before 2020SO18 5SW: before 2020SO18 5SZ: before 2020SO18 5TB: before 2020SO18 5TE: before 2020SO18 5TF: before 2020SO18 5TG: before 2020SO18 5TH: before 2020SO18 5TJ: before 2020SO18 5TN: before 2020SO18 5TP: before 2020SO18 5TQ: before 2020SO18 5TR: before 2020SO18 5TS: before 2020SO18 5TT: before 2020SO18 5TU: before 2020SO18 5TW: before 2020SO18 5AF: new since 2020 Harefield Map of every postcode in the SO18 5 sector, by new since 2020 Of the 195 postcodes in the SO18 5 sector that ONS places, 1 are new since 2020 and 194 were in use before 2020. Places named: Harefield. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Harefield
  • New since 2020: 1
  • In use before 2020: 194

Of the 195 postcodes in the SO18 5 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. 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

The newest postcode

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.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.