SO18 6 postcode sector in the SO18 district

SO18 6 is a sector of the SO18 district: every postcode that starts SO18 6. It has 75 postcodes in use, 2 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 6 sector, and which are new since 2020

Map of every postcode in the SO18 6 sector, by new since 2020 Of the 75 postcodes in the SO18 6 sector that ONS places, 1 are new since 2020 and 74 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. A3024 SO18 6AA: before 2020SO18 6AB: before 2020SO18 6AD: before 2020SO18 6AE: before 2020SO18 6AF: before 2020SO18 6AG: before 2020SO18 6AH: before 2020SO18 6AJ: before 2020SO18 6AL: before 2020SO18 6AN: before 2020SO18 6AP: before 2020SO18 6AQ: before 2020SO18 6AR: before 2020SO18 6AS: before 2020SO18 6AT: before 2020SO18 6AU: before 2020SO18 6AW: before 2020SO18 6AX: before 2020SO18 6AY: before 2020SO18 6AZ: before 2020SO18 6BA: before 2020SO18 6BB: before 2020SO18 6BD: before 2020SO18 6BE: before 2020SO18 6BF: before 2020SO18 6BG: before 2020SO18 6BH: before 2020SO18 6BJ: before 2020SO18 6BL: before 2020SO18 6BN: before 2020SO18 6BP: before 2020SO18 6BR: before 2020SO18 6BT: before 2020SO18 6BX: before 2020SO18 6LW: before 2020SO18 6LX: before 2020SO18 6LY: before 2020SO18 6NJ: before 2020SO18 6NL: before 2020SO18 6NN: before 2020SO18 6NP: before 2020SO18 6NQ: before 2020SO18 6NR: before 2020SO18 6NS: before 2020SO18 6NT: before 2020SO18 6NU: before 2020SO18 6NW: before 2020SO18 6NX: before 2020SO18 6NY: before 2020SO18 6PA: before 2020SO18 6PH: before 2020SO18 6PJ: before 2020SO18 6PL: before 2020SO18 6PN: before 2020SO18 6PP: before 2020SO18 6QN: before 2020SO18 6RU: before 2020SO18 6RW: before 2020SO18 6RX: before 2020SO18 6SG: before 2020SO18 6SL: before 2020SO18 6SN: before 2020SO18 6SQ: before 2020SO18 6ST: before 2020SO18 6SX: before 2020SO18 6TA: before 2020SO18 6TE: before 2020SO18 6TF: before 2020SO18 6TG: before 2020SO18 6TJ: before 2020SO18 6TL: before 2020SO18 6TN: before 2020SO18 6TW: before 2020SO18 6TX: before 2020SO18 6BW: new since 2020 Harefield Map of every postcode in the SO18 6 sector, by new since 2020 Of the 75 postcodes in the SO18 6 sector that ONS places, 1 are new since 2020 and 74 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. Harefield
  • New since 2020: 1
  • In use before 2020: 74

Of the 75 postcodes in the SO18 6 sector that ONS places, 1 are new since 2020 and 74 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

SO18 6BWApril 2021

What do homes sell for in SO18 6?

Homes in SO18 6 sold for a typical £230,000 in the 12 months to August 2026, across 37 sales, down 11.5% on the 12 months before, HM Land Registry's figures show.

£230,000 typical price, the 12 months to August 2026
£260,000 12 months to August 2025
▼ down 11.5% on the 12 months before
  • Detached £395,000 10 sales
  • Semi-detached £325,000 8 sales
  • Flat or maisonette £137,000 19 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 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 SO18 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.

SO18 6AASO18 6ABSO18 6ADSO18 6AESO18 6AFSO18 6AGSO18 6AHSO18 6AJSO18 6ALSO18 6ANSO18 6APSO18 6AQSO18 6ARSO18 6ASSO18 6ATSO18 6AUSO18 6AWSO18 6AXSO18 6AYSO18 6AZSO18 6BASO18 6BBSO18 6BDSO18 6BESO18 6BFSO18 6BGSO18 6BHSO18 6BJSO18 6BLSO18 6BNSO18 6BPSO18 6BRSO18 6BTSO18 6BWSO18 6BXSO18 6LWSO18 6LXSO18 6LYSO18 6NJSO18 6NLSO18 6NNSO18 6NPSO18 6NQSO18 6NRSO18 6NSSO18 6NTSO18 6NUSO18 6NWSO18 6NXSO18 6NYSO18 6PASO18 6PHSO18 6PJSO18 6PLSO18 6PNSO18 6PPSO18 6QNSO18 6RUSO18 6RWSO18 6RXSO18 6SGSO18 6SLSO18 6SNSO18 6SQSO18 6STSO18 6SXSO18 6TASO18 6TESO18 6TFSO18 6TGSO18 6TJSO18 6TLSO18 6TNSO18 6TWSO18 6TX

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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