SO51 0 postcode sector in the SO51 district

SO51 0 is a sector of the SO51 district: every postcode that starts SO51 0. It has 203 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 SO51 0 sector, and which are new since 2020

Map of every postcode in the SO51 0 sector, by new since 2020 Of the 203 postcodes in the SO51 0 sector that ONS places, 22 are new since 2020 and 181 were in use before 2020. 2 groups of new postcodes are outlined: 13 new postcodes since 2020; 8 new postcodes since 2020. Places named: Romsey. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A27 SO51 0AB: before 2020SO51 0AE: before 2020SO51 0AF: before 2020SO51 0AG: before 2020SO51 0AH: before 2020SO51 0AJ: before 2020SO51 0AL: before 2020SO51 0AN: before 2020SO51 0AP: before 2020SO51 0AQ: before 2020SO51 0AR: before 2020SO51 0AS: before 2020SO51 0AU: before 2020SO51 0AW: before 2020SO51 0AX: before 2020SO51 0BB: before 2020SO51 0BD: before 2020SO51 0BE: before 2020SO51 0BF: before 2020SO51 0BG: before 2020SO51 0BJ: before 2020SO51 0BN: before 2020SO51 0BQ: before 2020SO51 0BS: before 2020SO51 0BU: before 2020SO51 0DG: before 2020SO51 0DH: before 2020SO51 0DP: before 2020SO51 0DR: before 2020SO51 0DW: before 2020SO51 0EG: before 2020SO51 0EN: before 2020SO51 0EQ: before 2020SO51 0EZ: before 2020SO51 0GB: before 2020SO51 0GD: before 2020SO51 0GE: before 2020SO51 0GF: before 2020SO51 0GG: before 2020SO51 0GH: before 2020SO51 0GJ: before 2020SO51 0GL: before 2020SO51 0GN: before 2020SO51 0GP: before 2020SO51 0GQ: before 2020SO51 0GR: before 2020SO51 0GS: before 2020SO51 0GT: before 2020SO51 0GU: before 2020SO51 0GX: before 2020SO51 0GY: before 2020SO51 0HA: before 2020SO51 0HB: before 2020SO51 0HD: before 2020SO51 0HE: before 2020SO51 0HF: before 2020SO51 0HG: before 2020SO51 0HH: before 2020SO51 0HJ: before 2020SO51 0HL: before 2020SO51 0HN: before 2020SO51 0HP: before 2020SO51 0HQ: before 2020SO51 0HR: before 2020SO51 0HS: before 2020SO51 0HT: before 2020SO51 0JA: before 2020SO51 0JB: before 2020SO51 0JD: before 2020SO51 0JE: before 2020SO51 0JF: before 2020SO51 0JG: before 2020SO51 0JH: before 2020SO51 0JJ: before 2020SO51 0JL: before 2020SO51 0JN: before 2020SO51 0JP: before 2020SO51 0JQ: before 2020SO51 0JR: before 2020SO51 0JS: before 2020SO51 0JT: before 2020SO51 0JU: before 2020SO51 0JW: before 2020SO51 0JX: before 2020SO51 0LA: before 2020SO51 0LB: before 2020SO51 0LD: before 2020SO51 0LE: before 2020SO51 0LF: before 2020SO51 0LG: before 2020SO51 0LH: before 2020SO51 0LJ: before 2020SO51 0LL: before 2020SO51 0LN: before 2020SO51 0LP: before 2020SO51 0LQ: before 2020SO51 0LR: before 2020SO51 0LS: before 2020SO51 0LT: before 2020SO51 0LU: before 2020SO51 0LW: before 2020SO51 0LX: before 2020SO51 0LY: before 2020SO51 0LZ: before 2020SO51 0NA: before 2020SO51 0NB: before 2020SO51 0ND: before 2020SO51 0NE: before 2020SO51 0NF: before 2020SO51 0NG: before 2020SO51 0NH: before 2020SO51 0NJ: before 2020SO51 0NL: before 2020SO51 0NN: before 2020SO51 0NP: before 2020SO51 0NQ: before 2020SO51 0NR: before 2020SO51 0NS: before 2020SO51 0NT: before 2020SO51 0NU: before 2020SO51 0NW: before 2020SO51 0NX: before 2020SO51 0NY: before 2020SO51 0NZ: before 2020SO51 0PA: before 2020SO51 0PB: before 2020SO51 0PD: before 2020SO51 0PE: before 2020SO51 0PF: before 2020SO51 0PG: before 2020SO51 0PH: before 2020SO51 0PJ: before 2020SO51 0PL: before 2020SO51 0PN: before 2020SO51 0PP: before 2020SO51 0PQ: before 2020SO51 0PR: before 2020SO51 0PS: before 2020SO51 0PT: before 2020SO51 0PU: before 2020SO51 0PW: before 2020SO51 0PX: before 2020SO51 0PY: before 2020SO51 0QA: before 2020SO51 0QB: before 2020SO51 0QD: before 2020SO51 0QE: before 2020SO51 0QF: before 2020SO51 0QG: before 2020SO51 0QH: before 2020SO51 0QJ: before 2020SO51 0QL: before 2020SO51 0QN: before 2020SO51 0QP: before 2020SO51 0QR: before 2020SO51 0QS: before 2020SO51 0QT: before 2020SO51 0QU: before 2020SO51 0QW: before 2020SO51 0RA: before 2020SO51 0RG: before 2020SO51 0RJ: before 2020SO51 0SF: before 2020SO51 0ZN: before 2020SO51 0AA: new since 2020SO51 0AD: new since 2020SO51 0BA: new since 2020SO51 0BY: new since 2020SO51 0DB: new since 2020SO51 0DQ: new since 2020SO51 0DY: new since 2020SO51 0EB: new since 2020SO51 0EE: new since 2020SO51 0EF: new since 2020SO51 0EH: new since 2020SO51 0EP: new since 2020SO51 0ER: new since 2020SO51 0DU: new since 2020SO51 0DA: new since 2020SO51 0DN: new since 2020SO51 0EA: new since 2020 Romsey 13 new postcodes since 2020, outlined: this goes to SO51 0BW, the newest of them13 new postcodes since 20208 new postcodes since 2020, outlined: this goes to SO51 0DY, the newest of them8 new postcodes since 2020 Map of every postcode in the SO51 0 sector, by new since 2020 Of the 203 postcodes in the SO51 0 sector that ONS places, 22 are new since 2020 and 181 were in use before 2020. 2 groups of new postcodes are outlined: 13 new postcodes since 2020; 8 new postcodes since 2020. Places named: Romsey. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A27 Romsey 8 new postcodes since 2020, outlined: this goes to SO51 0DY, the newest of them8 new postcodes since 2020
  • New since 2020: 22
  • In use before 2020: 181
  • Outline: where 5 or more new postcodes since 2020 lie together

Of the 203 postcodes in the SO51 0 sector that ONS places, 22 are new since 2020 and 181 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. A dashed outline shows where 5 or more lie within 380 metres of each other. It is not a boundary, and no boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

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

Where the new postcodes lie together

What do homes sell for in SO51 0?

Homes in SO51 0 sold for a typical £465,000 in the 12 months to August 2026, across 99 sales, down 9.3% on the 12 months before, HM Land Registry's figures show.

£465,000 typical price, the 12 months to August 2026
£512,500 12 months to August 2025
▼ down 9.3% on the 12 months before
  • Detached £700,000 47 sales
  • Semi-detached £403,000 26 sales
  • Terraced £350,000 17 sales
  • Flat or maisonette £399,000 9 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 SO51 0. 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 0

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 0AASO51 0ABSO51 0ADSO51 0AESO51 0AFSO51 0AGSO51 0AHSO51 0AJSO51 0ALSO51 0ANSO51 0APSO51 0AQSO51 0ARSO51 0ASSO51 0ATSO51 0AUSO51 0AWSO51 0AXSO51 0AYSO51 0AZSO51 0BASO51 0BBSO51 0BDSO51 0BESO51 0BFSO51 0BGSO51 0BHSO51 0BJSO51 0BLSO51 0BNSO51 0BPSO51 0BQSO51 0BSSO51 0BUSO51 0BWSO51 0BXSO51 0BYSO51 0BZSO51 0DASO51 0DBSO51 0DDSO51 0DFSO51 0DGSO51 0DHSO51 0DJSO51 0DLSO51 0DNSO51 0DPSO51 0DQSO51 0DRSO51 0DTSO51 0DUSO51 0DWSO51 0DXSO51 0DYSO51 0DZSO51 0EASO51 0EBSO51 0EDSO51 0EESO51 0EFSO51 0EGSO51 0EHSO51 0EJSO51 0ELSO51 0ENSO51 0EPSO51 0EQSO51 0ERSO51 0ESSO51 0EZSO51 0GBSO51 0GDSO51 0GESO51 0GFSO51 0GGSO51 0GHSO51 0GJSO51 0GLSO51 0GNSO51 0GPSO51 0GQSO51 0GRSO51 0GSSO51 0GTSO51 0GUSO51 0GWSO51 0GXSO51 0GYSO51 0HASO51 0HBSO51 0HDSO51 0HESO51 0HFSO51 0HGSO51 0HHSO51 0HJSO51 0HLSO51 0HNSO51 0HPSO51 0HQSO51 0HRSO51 0HSSO51 0HTSO51 0JASO51 0JBSO51 0JDSO51 0JESO51 0JFSO51 0JGSO51 0JHSO51 0JJSO51 0JLSO51 0JNSO51 0JPSO51 0JQSO51 0JRSO51 0JSSO51 0JTSO51 0JUSO51 0JWSO51 0JXSO51 0JYSO51 0LASO51 0LBSO51 0LDSO51 0LESO51 0LFSO51 0LGSO51 0LHSO51 0LJSO51 0LLSO51 0LNSO51 0LPSO51 0LQSO51 0LRSO51 0LSSO51 0LTSO51 0LUSO51 0LWSO51 0LXSO51 0LYSO51 0LZSO51 0NASO51 0NBSO51 0NDSO51 0NESO51 0NFSO51 0NGSO51 0NHSO51 0NJSO51 0NLSO51 0NNSO51 0NPSO51 0NQSO51 0NRSO51 0NSSO51 0NTSO51 0NUSO51 0NWSO51 0NXSO51 0NYSO51 0NZSO51 0PASO51 0PBSO51 0PDSO51 0PESO51 0PFSO51 0PGSO51 0PHSO51 0PJSO51 0PLSO51 0PNSO51 0PPSO51 0PQSO51 0PRSO51 0PSSO51 0PTSO51 0PUSO51 0PWSO51 0PXSO51 0PYSO51 0QASO51 0QBSO51 0QDSO51 0QESO51 0QFSO51 0QGSO51 0QHSO51 0QJSO51 0QLSO51 0QNSO51 0QPSO51 0QRSO51 0QSSO51 0QTSO51 0QUSO51 0QWSO51 0RASO51 0RGSO51 0RJSO51 0SFSO51 0ZN

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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