SO51 6 postcode sector in the SO51 district

SO51 6 is a sector of the SO51 district: every postcode that starts SO51 6. It has 149 postcodes in use, 5 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 SO51 6 sector, and which are new since 2020

Map of every postcode in the SO51 6 sector, by new since 2020 Of the 149 postcodes in the SO51 6 sector that ONS places, 4 are new since 2020 and 145 were in use before 2020. Places named: Blackwater. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. M27A36A27 SO51 6AA: before 2020SO51 6AB: before 2020SO51 6AD: before 2020SO51 6AE: before 2020SO51 6AF: before 2020SO51 6AG: before 2020SO51 6AH: before 2020SO51 6AJ: before 2020SO51 6AL: before 2020SO51 6AN: before 2020SO51 6AP: before 2020SO51 6AQ: before 2020SO51 6AR: before 2020SO51 6AS: before 2020SO51 6AT: before 2020SO51 6AU: before 2020SO51 6AW: before 2020SO51 6AX: before 2020SO51 6AY: before 2020SO51 6AZ: before 2020SO51 6BA: before 2020SO51 6BB: before 2020SO51 6BD: before 2020SO51 6BE: before 2020SO51 6BG: before 2020SO51 6BH: before 2020SO51 6BJ: before 2020SO51 6BL: before 2020SO51 6BN: before 2020SO51 6BP: before 2020SO51 6BQ: before 2020SO51 6BR: before 2020SO51 6BS: before 2020SO51 6BT: before 2020SO51 6BW: before 2020SO51 6BX: before 2020SO51 6BY: before 2020SO51 6BZ: before 2020SO51 6DA: before 2020SO51 6DB: before 2020SO51 6DD: before 2020SO51 6DE: before 2020SO51 6DF: before 2020SO51 6DG: before 2020SO51 6DH: before 2020SO51 6DJ: before 2020SO51 6DL: before 2020SO51 6DN: before 2020SO51 6DP: before 2020SO51 6DQ: before 2020SO51 6DR: before 2020SO51 6DS: before 2020SO51 6DT: before 2020SO51 6DU: before 2020SO51 6DW: before 2020SO51 6DX: before 2020SO51 6DY: before 2020SO51 6DZ: before 2020SO51 6EA: before 2020SO51 6EB: before 2020SO51 6ED: before 2020SO51 6EE: before 2020SO51 6EF: before 2020SO51 6EG: before 2020SO51 6EH: before 2020SO51 6EJ: before 2020SO51 6EL: before 2020SO51 6EN: before 2020SO51 6EP: before 2020SO51 6EQ: before 2020SO51 6ER: before 2020SO51 6ES: before 2020SO51 6ET: before 2020SO51 6EU: before 2020SO51 6EW: before 2020SO51 6EX: before 2020SO51 6EY: before 2020SO51 6EZ: before 2020SO51 6FA: before 2020SO51 6FB: before 2020SO51 6FD: before 2020SO51 6FE: before 2020SO51 6FF: before 2020SO51 6FG: before 2020SO51 6FH: before 2020SO51 6FJ: before 2020SO51 6FL: before 2020SO51 6FN: before 2020SO51 6FP: before 2020SO51 6FQ: before 2020SO51 6FR: before 2020SO51 6FS: before 2020SO51 6FT: before 2020SO51 6FU: before 2020SO51 6FW: before 2020SO51 6FX: before 2020SO51 6FY: before 2020SO51 6FZ: before 2020SO51 6GA: before 2020SO51 6GB: before 2020SO51 6GD: before 2020SO51 6GF: before 2020SO51 6GG: before 2020SO51 6GH: before 2020SO51 6GJ: before 2020SO51 6GL: before 2020SO51 6GQ: before 2020SO51 6GR: before 2020SO51 6GS: before 2020SO51 6GT: before 2020SO51 6GU: before 2020SO51 6GW: before 2020SO51 6GX: before 2020SO51 6GY: before 2020SO51 6HA: before 2020SO51 6HB: before 2020SO51 6HH: before 2020SO51 6JR: before 2020SO51 6JS: before 2020SO51 6JT: before 2020SO51 6JU: before 2020SO51 6JW: before 2020SO51 6JX: before 2020SO51 6JY: before 2020SO51 6RA: before 2020SO51 6RB: before 2020SO51 6RD: before 2020SO51 6RE: before 2020SO51 6RF: before 2020SO51 6RG: before 2020SO51 6RH: before 2020SO51 6RJ: before 2020SO51 6RL: before 2020SO51 6RN: before 2020SO51 6RS: before 2020SO51 6WA: before 2020SO51 6ZA: before 2020SO51 6ZB: before 2020SO51 6ZE: before 2020SO51 6ZJ: before 2020SO51 6ZL: before 2020SO51 6ZR: before 2020SO51 6GP: new since 2020SO51 6GZ: new since 2020SO51 6HE: new since 2020 Blackwater Map of every postcode in the SO51 6 sector, by new since 2020 Of the 149 postcodes in the SO51 6 sector that ONS places, 4 are new since 2020 and 145 were in use before 2020. Places named: Blackwater. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. M27 Blackwater
  • New since 2020: 4
  • In use before 2020: 145

Of the 149 postcodes in the SO51 6 sector that ONS places, 4 are new since 2020 and 145 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

The 4 newest postcodes

SO51 6HFJuly 2026SO51 6HEAugust 2025SO51 6GZApril 2023SO51 6GPFebruary 2021

What do homes sell for in SO51 6?

Homes in SO51 6 sold for a typical £635,000 in the 12 months to August 2026, across 41 sales, up 7.6% on the 12 months before, HM Land Registry's figures show.

£635,000 typical price, the 12 months to August 2026
£590,000 12 months to August 2025
▲ up 7.6% on the 12 months before
  • Detached £719,500 32 sales
  • Semi-detached 4 sales, too few to price
  • Terraced 2 sales, too few to price
  • Flat or maisonette 3 sales, too few to price

Standard sales of homes at market value at the postcodes that start SO51 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 SO51 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.

SO51 6AASO51 6ABSO51 6ADSO51 6AESO51 6AFSO51 6AGSO51 6AHSO51 6AJSO51 6ALSO51 6ANSO51 6APSO51 6AQSO51 6ARSO51 6ASSO51 6ATSO51 6AUSO51 6AWSO51 6AXSO51 6AYSO51 6AZSO51 6BASO51 6BBSO51 6BDSO51 6BESO51 6BGSO51 6BHSO51 6BJSO51 6BLSO51 6BNSO51 6BPSO51 6BQSO51 6BRSO51 6BSSO51 6BTSO51 6BUSO51 6BWSO51 6BXSO51 6BYSO51 6BZSO51 6DASO51 6DBSO51 6DDSO51 6DESO51 6DFSO51 6DGSO51 6DHSO51 6DJSO51 6DLSO51 6DNSO51 6DPSO51 6DQSO51 6DRSO51 6DSSO51 6DTSO51 6DUSO51 6DWSO51 6DXSO51 6DYSO51 6DZSO51 6EASO51 6EBSO51 6EDSO51 6EESO51 6EFSO51 6EGSO51 6EHSO51 6EJSO51 6ELSO51 6ENSO51 6EPSO51 6EQSO51 6ERSO51 6ESSO51 6ETSO51 6EUSO51 6EWSO51 6EXSO51 6EYSO51 6EZSO51 6FASO51 6FBSO51 6FDSO51 6FESO51 6FFSO51 6FGSO51 6FHSO51 6FJSO51 6FLSO51 6FNSO51 6FPSO51 6FQSO51 6FRSO51 6FSSO51 6FTSO51 6FUSO51 6FWSO51 6FXSO51 6FYSO51 6FZSO51 6GASO51 6GBSO51 6GDSO51 6GESO51 6GFSO51 6GGSO51 6GHSO51 6GJSO51 6GLSO51 6GNSO51 6GPSO51 6GQSO51 6GRSO51 6GSSO51 6GTSO51 6GUSO51 6GWSO51 6GXSO51 6GYSO51 6GZSO51 6HASO51 6HBSO51 6HESO51 6HFSO51 6HHSO51 6JRSO51 6JSSO51 6JTSO51 6JUSO51 6JWSO51 6JXSO51 6JYSO51 6RASO51 6RBSO51 6RDSO51 6RESO51 6RFSO51 6RGSO51 6RHSO51 6RJSO51 6RLSO51 6RNSO51 6RSSO51 6WASO51 6ZASO51 6ZBSO51 6ZESO51 6ZJSO51 6ZLSO51 6ZR

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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