SS1 1 postcode sector in the SS1 district

SS1 1 is a sector of the SS1 district: every postcode that starts SS1 1. It has 131 postcodes in use, 16 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 SS1 1 sector, by flood risk

Map of every postcode in the SS1 1 sector, by flood risk Of the 131 postcodes in the SS1 1 sector that ONS places, 2 have a home or business at high risk and 129 are not on the Environment Agency's at-risk list. Places named: Milton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A13 SS1 1AA: not on the flood risk listSS1 1AB: not on the flood risk listSS1 1AH: not on the flood risk listSS1 1AJ: not on the flood risk listSS1 1AL: not on the flood risk listSS1 1AN: not on the flood risk listSS1 1AS: not on the flood risk listSS1 1AT: not on the flood risk listSS1 1BD: not on the flood risk listSS1 1BF: not on the flood risk listSS1 1BH: not on the flood risk listSS1 1BJ: not on the flood risk listSS1 1BN: not on the flood risk listSS1 1BU: not on the flood risk listSS1 1BW: not on the flood risk listSS1 1BX: not on the flood risk listSS1 1DA: not on the flood risk listSS1 1DB: not on the flood risk listSS1 1DE: not on the flood risk listSS1 1DL: not on the flood risk listSS1 1DN: not on the flood risk listSS1 1DP: not on the flood risk listSS1 1DQ: not on the flood risk listSS1 1DR: not on the flood risk listSS1 1DU: not on the flood risk listSS1 1DW: not on the flood risk listSS1 1DX: not on the flood risk listSS1 1DY: not on the flood risk listSS1 1EA: not on the flood risk listSS1 1EF: not on the flood risk listSS1 1EJ: not on the flood risk listSS1 1EN: not on the flood risk listSS1 1EP: not on the flood risk listSS1 1ER: not on the flood risk listSS1 1ES: not on the flood risk listSS1 1ET: not on the flood risk listSS1 1EW: not on the flood risk listSS1 1EX: not on the flood risk listSS1 1EY: not on the flood risk listSS1 1EZ: not on the flood risk listSS1 1FA: not on the flood risk listSS1 1FL: not on the flood risk listSS1 1FN: not on the flood risk listSS1 1FP: not on the flood risk listSS1 1FR: not on the flood risk listSS1 1FS: not on the flood risk listSS1 1FT: not on the flood risk listSS1 1FU: not on the flood risk listSS1 1FW: not on the flood risk listSS1 1GB: not on the flood risk listSS1 1GD: not on the flood risk listSS1 1GE: not on the flood risk listSS1 1GL: not on the flood risk listSS1 1HA: not on the flood risk listSS1 1HB: not on the flood risk listSS1 1HD: not on the flood risk listSS1 1HE: not on the flood risk listSS1 1HF: not on the flood risk listSS1 1HG: not on the flood risk listSS1 1HH: not on the flood risk listSS1 1HJ: not on the flood risk listSS1 1HN: not on the flood risk listSS1 1HP: not on the flood risk listSS1 1HQ: not on the flood risk listSS1 1HS: not on the flood risk listSS1 1HT: not on the flood risk listSS1 1HY: not on the flood risk listSS1 1HZ: not on the flood risk listSS1 1JD: not on the flood risk listSS1 1JE: not on the flood risk listSS1 1JF: not on the flood risk listSS1 1JG: not on the flood risk listSS1 1JN: not on the flood risk listSS1 1JS: not on the flood risk listSS1 1JT: not on the flood risk listSS1 1JU: not on the flood risk listSS1 1JX: not on the flood risk listSS1 1LB: not on the flood risk listSS1 1LH: not on the flood risk listSS1 1LL: not on the flood risk listSS1 1LN: not on the flood risk listSS1 1LQ: not on the flood risk listSS1 1LR: not on the flood risk listSS1 1LT: not on the flood risk listSS1 1LU: not on the flood risk listSS1 1LW: not on the flood risk listSS1 1LY: not on the flood risk listSS1 1LZ: not on the flood risk listSS1 1NA: not on the flood risk listSS1 1NB: not on the flood risk listSS1 1ND: not on the flood risk listSS1 1NE: not on the flood risk listSS1 1NF: not on the flood risk listSS1 1NG: not on the flood risk listSS1 1NJ: not on the flood risk listSS1 1NL: not on the flood risk listSS1 1NN: not on the flood risk listSS1 1NP: not on the flood risk listSS1 1NQ: not on the flood risk listSS1 1NS: not on the flood risk listSS1 1NT: not on the flood risk listSS1 1NW: not on the flood risk listSS1 1NX: not on the flood risk listSS1 1NZ: not on the flood risk listSS1 1PE: not on the flood risk listSS1 1PF: not on the flood risk listSS1 1PG: not on the flood risk listSS1 1PH: not on the flood risk listSS1 1PJ: not on the flood risk listSS1 1PL: not on the flood risk listSS1 1PP: not on the flood risk listSS1 1PQ: not on the flood risk listSS1 1PT: not on the flood risk listSS1 1PU: not on the flood risk listSS1 1PX: not on the flood risk listSS1 1PY: not on the flood risk listSS1 1PZ: not on the flood risk listSS1 1QA: not on the flood risk listSS1 1QB: not on the flood risk listSS1 1QD: not on the flood risk listSS1 1QE: not on the flood risk listSS1 1QH: not on the flood risk listSS1 1TJ: not on the flood risk listSS1 1DT: high flood riskSS1 1EE: high flood risk Milton Map of every postcode in the SS1 1 sector, by flood risk Of the 131 postcodes in the SS1 1 sector that ONS places, 2 have a home or business at high risk and 129 are not on the Environment Agency's at-risk list. Places named: Milton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A13 Milton
  • A home or business at high risk: 2
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 129

Of the 131 postcodes in the SS1 1 sector that ONS places, 2 have a home or business at high risk and 129 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 high risk

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

SS1 1EE10 at high riskSS1 1DT3 at high risk

What do homes sell for in SS1 1?

Homes in SS1 1 sold for a typical £237,500 in the 12 months to August 2026, across 42 sales, up 13.1% on the 12 months before, HM Land Registry's figures show.

£237,500 typical price, the 12 months to August 2026
£210,000 12 months to August 2025
▲ up 13.1% on the 12 months before
  • Detached 1 sale, too few to price
  • Semi-detached 2 sales, too few to price
  • Terraced £385,000 8 sales
  • Flat or maisonette £205,000 31 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 SS1 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 SS1 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.

SS1 1AASS1 1ABSS1 1AHSS1 1AJSS1 1ALSS1 1ANSS1 1ASSS1 1ATSS1 1AUSS1 1BASS1 1BDSS1 1BFSS1 1BHSS1 1BJSS1 1BNSS1 1BUSS1 1BWSS1 1BXSS1 1DASS1 1DBSS1 1DESS1 1DGSS1 1DLSS1 1DNSS1 1DPSS1 1DQSS1 1DRSS1 1DTSS1 1DUSS1 1DWSS1 1DXSS1 1DYSS1 1EASS1 1EESS1 1EFSS1 1EJSS1 1ENSS1 1EPSS1 1ERSS1 1ESSS1 1ETSS1 1EWSS1 1EXSS1 1EYSS1 1EZSS1 1FASS1 1FLSS1 1FNSS1 1FPSS1 1FQSS1 1FRSS1 1FSSS1 1FTSS1 1FUSS1 1FWSS1 1GBSS1 1GDSS1 1GESS1 1GLSS1 1HASS1 1HBSS1 1HDSS1 1HESS1 1HFSS1 1HGSS1 1HHSS1 1HJSS1 1HNSS1 1HPSS1 1HQSS1 1HSSS1 1HTSS1 1HYSS1 1HZSS1 1JDSS1 1JESS1 1JFSS1 1JGSS1 1JNSS1 1JSSS1 1JTSS1 1JUSS1 1JXSS1 1LBSS1 1LHSS1 1LLSS1 1LNSS1 1LQSS1 1LRSS1 1LTSS1 1LUSS1 1LWSS1 1LYSS1 1LZSS1 1NASS1 1NBSS1 1NDSS1 1NESS1 1NFSS1 1NGSS1 1NHSS1 1NJSS1 1NLSS1 1NNSS1 1NPSS1 1NQSS1 1NSSS1 1NTSS1 1NWSS1 1NXSS1 1NZSS1 1PESS1 1PFSS1 1PGSS1 1PHSS1 1PJSS1 1PLSS1 1PPSS1 1PQSS1 1PTSS1 1PUSS1 1PWSS1 1PXSS1 1PYSS1 1PZSS1 1QASS1 1QBSS1 1QDSS1 1QESS1 1QHSS1 1TJ

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.