SO15 1 postcode sector in the SO15 district

SO15 1 is a sector of the SO15 district: every postcode that starts SO15 1. It has 80 postcodes in use, 9 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 SO15 1 sector, by flood risk

Map of every postcode in the SO15 1 sector, by flood risk Of the 80 postcodes in the SO15 1 sector that ONS places, 2 are at medium risk at worst, 2 are at low risk at worst and 76 are not on the Environment Agency's at-risk list. Places named: Freemantle, Bargate. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A33 SO15 1AE: not on the flood risk listSO15 1AG: not on the flood risk listSO15 1AH: not on the flood risk listSO15 1AL: not on the flood risk listSO15 1AN: not on the flood risk listSO15 1AP: not on the flood risk listSO15 1AQ: not on the flood risk listSO15 1AR: not on the flood risk listSO15 1AS: not on the flood risk listSO15 1AW: not on the flood risk listSO15 1BA: not on the flood risk listSO15 1BX: not on the flood risk listSO15 1DE: not on the flood risk listSO15 1DJ: not on the flood risk listSO15 1DN: not on the flood risk listSO15 1DP: not on the flood risk listSO15 1DQ: not on the flood risk listSO15 1DR: not on the flood risk listSO15 1EB: not on the flood risk listSO15 1EG: not on the flood risk listSO15 1GA: not on the flood risk listSO15 1GD: not on the flood risk listSO15 1GE: not on the flood risk listSO15 1GF: not on the flood risk listSO15 1GG: not on the flood risk listSO15 1GJ: not on the flood risk listSO15 1GQ: not on the flood risk listSO15 1GS: not on the flood risk listSO15 1GW: not on the flood risk listSO15 1GY: not on the flood risk listSO15 1GZ: not on the flood risk listSO15 1HA: not on the flood risk listSO15 1HE: not on the flood risk listSO15 1HF: not on the flood risk listSO15 1HG: not on the flood risk listSO15 1HH: not on the flood risk listSO15 1HJ: not on the flood risk listSO15 1HL: not on the flood risk listSO15 1HN: not on the flood risk listSO15 1HP: not on the flood risk listSO15 1HQ: not on the flood risk listSO15 1HR: not on the flood risk listSO15 1HS: not on the flood risk listSO15 1HT: not on the flood risk listSO15 1HY: not on the flood risk listSO15 1HZ: not on the flood risk listSO15 1JA: not on the flood risk listSO15 1JB: not on the flood risk listSO15 1JD: not on the flood risk listSO15 1JE: not on the flood risk listSO15 1JF: not on the flood risk listSO15 1JG: not on the flood risk listSO15 1JH: not on the flood risk listSO15 1JJ: not on the flood risk listSO15 1JL: not on the flood risk listSO15 1JP: not on the flood risk listSO15 1JQ: not on the flood risk listSO15 1JS: not on the flood risk listSO15 1JT: not on the flood risk listSO15 1LP: not on the flood risk listSO15 1LQ: not on the flood risk listSO15 1PA: not on the flood risk listSO15 1QA: not on the flood risk listSO15 1QB: not on the flood risk listSO15 1QD: not on the flood risk listSO15 1QE: not on the flood risk listSO15 1QF: not on the flood risk listSO15 1QH: not on the flood risk listSO15 1QJ: not on the flood risk listSO15 1RA: not on the flood risk listSO15 1RE: not on the flood risk listSO15 1RJ: not on the flood risk listSO15 1ST: not on the flood risk listSO15 1GH: low flood risk at worstSO15 1GX: low flood risk at worstSO15 1DA: medium flood risk at worstSO15 1JN: medium flood risk at worst FreemantleBargate Map of every postcode in the SO15 1 sector, by flood risk Of the 80 postcodes in the SO15 1 sector that ONS places, 2 are at medium risk at worst, 2 are at low risk at worst and 76 are not on the Environment Agency's at-risk list. Places named: Freemantle, Bargate. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. FreemantleBargate
  • A home or business at high risk: 0
  • At medium risk at worst: 2
  • At low risk at worst: 2
  • At very low risk only: 0
  • Not on the at-risk list: 76

Of the 80 postcodes in the SO15 1 sector that ONS places, 2 are at medium risk at worst, 2 are at low risk at worst and 76 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. 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; 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

The postcodes at medium risk at worst

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

SO15 1JN2 at medium riskSO15 1DA1 at medium risk

What do homes sell for in SO15 1?

Homes in SO15 1 sold for a typical £162,500 in the 12 months to August 2026, across 17 sales, down 20.3% on the 12 months before, HM Land Registry's figures show.

£162,500 typical price, the 12 months to August 2026
£204,000 12 months to August 2025
▼ down 20.3% on the 12 months before
  • Detached 1 sale, too few to price
  • Semi-detached 2 sales, too few to price
  • Terraced £240,000 5 sales
  • Flat or maisonette £122,000 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 SO15 1. 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 SO15 1

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.

SO15 1AESO15 1AGSO15 1AHSO15 1ALSO15 1ANSO15 1APSO15 1AQSO15 1ARSO15 1ASSO15 1AWSO15 1BASO15 1BXSO15 1DASO15 1DESO15 1DJSO15 1DNSO15 1DPSO15 1DQSO15 1DRSO15 1EBSO15 1EGSO15 1GASO15 1GDSO15 1GESO15 1GFSO15 1GGSO15 1GHSO15 1GJSO15 1GQSO15 1GSSO15 1GTSO15 1GUSO15 1GWSO15 1GXSO15 1GYSO15 1GZSO15 1HASO15 1HESO15 1HFSO15 1HGSO15 1HHSO15 1HJSO15 1HLSO15 1HNSO15 1HPSO15 1HQSO15 1HRSO15 1HSSO15 1HTSO15 1HYSO15 1HZSO15 1JASO15 1JBSO15 1JDSO15 1JESO15 1JFSO15 1JGSO15 1JHSO15 1JJSO15 1JLSO15 1JNSO15 1JPSO15 1JQSO15 1JRSO15 1JSSO15 1JTSO15 1LPSO15 1LQSO15 1PASO15 1QASO15 1QBSO15 1QDSO15 1QESO15 1QFSO15 1QHSO15 1QJSO15 1RASO15 1RESO15 1RJSO15 1ST

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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