SM1 1 postcode sector in the SM1 district

SM1 1 is a sector of the SM1 district: every postcode that starts SM1 1. It has 108 postcodes in use, 12 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 SM1 1 sector, by flood risk

Map of every postcode in the SM1 1 sector, by flood risk Of the 108 postcodes in the SM1 1 sector that ONS places, 4 are at low risk at worst and 104 are not on the Environment Agency's at-risk list. Places named: Sutton Central, Sutton North. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. SM1 1AA: not on the flood risk listSM1 1AG: not on the flood risk listSM1 1AH: not on the flood risk listSM1 1AJ: not on the flood risk listSM1 1AN: not on the flood risk listSM1 1AP: not on the flood risk listSM1 1AT: not on the flood risk listSM1 1AW: not on the flood risk listSM1 1AX: not on the flood risk listSM1 1AY: not on the flood risk listSM1 1AZ: not on the flood risk listSM1 1BB: not on the flood risk listSM1 1BG: not on the flood risk listSM1 1BT: not on the flood risk listSM1 1DA: not on the flood risk listSM1 1DD: not on the flood risk listSM1 1DE: not on the flood risk listSM1 1DF: not on the flood risk listSM1 1DJ: not on the flood risk listSM1 1DR: not on the flood risk listSM1 1DS: not on the flood risk listSM1 1DT: not on the flood risk listSM1 1DU: not on the flood risk listSM1 1DZ: not on the flood risk listSM1 1EA: not on the flood risk listSM1 1EB: not on the flood risk listSM1 1EX: not on the flood risk listSM1 1EZ: not on the flood risk listSM1 1HF: not on the flood risk listSM1 1HN: not on the flood risk listSM1 1HR: not on the flood risk listSM1 1HY: not on the flood risk listSM1 1JA: not on the flood risk listSM1 1JB: not on the flood risk listSM1 1JD: not on the flood risk listSM1 1JE: not on the flood risk listSM1 1JF: not on the flood risk listSM1 1JG: not on the flood risk listSM1 1JH: not on the flood risk listSM1 1JN: not on the flood risk listSM1 1JP: not on the flood risk listSM1 1JQ: not on the flood risk listSM1 1JU: not on the flood risk listSM1 1JY: not on the flood risk listSM1 1LB: not on the flood risk listSM1 1LD: not on the flood risk listSM1 1LF: not on the flood risk listSM1 1LT: not on the flood risk listSM1 1LU: not on the flood risk listSM1 1LW: not on the flood risk listSM1 1LX: not on the flood risk listSM1 1LZ: not on the flood risk listSM1 1NL: not on the flood risk listSM1 1NQ: not on the flood risk listSM1 1NR: not on the flood risk listSM1 1NT: not on the flood risk listSM1 1NU: not on the flood risk listSM1 1NX: not on the flood risk listSM1 1NZ: not on the flood risk listSM1 1PA: not on the flood risk listSM1 1PB: not on the flood risk listSM1 1PG: not on the flood risk listSM1 1PQ: not on the flood risk listSM1 1PR: not on the flood risk listSM1 1QE: not on the flood risk listSM1 1QH: not on the flood risk listSM1 1QJ: not on the flood risk listSM1 1QL: not on the flood risk listSM1 1QN: not on the flood risk listSM1 1QP: not on the flood risk listSM1 1QR: not on the flood risk listSM1 1QS: not on the flood risk listSM1 1QT: not on the flood risk listSM1 1QW: not on the flood risk listSM1 1RB: not on the flood risk listSM1 1RD: not on the flood risk listSM1 1RE: not on the flood risk listSM1 1RG: not on the flood risk listSM1 1RH: not on the flood risk listSM1 1RJ: not on the flood risk listSM1 1RL: not on the flood risk listSM1 1RN: not on the flood risk listSM1 1RP: not on the flood risk listSM1 1RQ: not on the flood risk listSM1 1RR: not on the flood risk listSM1 1RT: not on the flood risk listSM1 1RU: not on the flood risk listSM1 1RW: not on the flood risk listSM1 1RX: not on the flood risk listSM1 1RY: not on the flood risk listSM1 1RZ: not on the flood risk listSM1 1SA: not on the flood risk listSM1 1SB: not on the flood risk listSM1 1SD: not on the flood risk listSM1 1SE: not on the flood risk listSM1 1SG: not on the flood risk listSM1 1SH: not on the flood risk listSM1 1SJ: not on the flood risk listSM1 1SN: not on the flood risk listSM1 1SP: not on the flood risk listSM1 1SR: not on the flood risk listSM1 1ST: not on the flood risk listSM1 1SW: not on the flood risk listSM1 1QU: low flood risk at worstSM1 1QX: low flood risk at worstSM1 1QY: low flood risk at worstSM1 1QZ: low flood risk at worst Sutton CentralSutton North Map of every postcode in the SM1 1 sector, by flood risk Of the 108 postcodes in the SM1 1 sector that ONS places, 4 are at low risk at worst and 104 are not on the Environment Agency's at-risk list. Places named: Sutton Central, Sutton North. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Sutton CentralSutton North
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 4
  • At very low risk only: 0
  • Not on the at-risk list: 104

Of the 108 postcodes in the SM1 1 sector that ONS places, 4 are at low risk at worst and 104 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

What do homes sell for in SM1 1?

Homes in SM1 1 sold for a typical £420,000 in the 12 months to August 2026, across 24 sales, down 5.1% on the 12 months before, HM Land Registry's figures show.

£420,000 typical price, the 12 months to August 2026
£442,500 12 months to August 2025
▼ down 5.1% on the 12 months before
  • Semi-detached £630,000 5 sales
  • Terraced £425,000 11 sales
  • Flat or maisonette £282,500 8 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 SM1 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 SM1 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.

SM1 1AASM1 1AGSM1 1AHSM1 1AJSM1 1ANSM1 1APSM1 1ATSM1 1AWSM1 1AXSM1 1AYSM1 1AZSM1 1BBSM1 1BGSM1 1BTSM1 1DASM1 1DDSM1 1DESM1 1DFSM1 1DJSM1 1DRSM1 1DSSM1 1DTSM1 1DUSM1 1DZSM1 1EASM1 1EBSM1 1EXSM1 1EZSM1 1HFSM1 1HNSM1 1HRSM1 1HYSM1 1JASM1 1JBSM1 1JDSM1 1JESM1 1JFSM1 1JGSM1 1JHSM1 1JNSM1 1JPSM1 1JQSM1 1JUSM1 1JYSM1 1LBSM1 1LDSM1 1LFSM1 1LTSM1 1LUSM1 1LWSM1 1LXSM1 1LZSM1 1NLSM1 1NQSM1 1NRSM1 1NTSM1 1NUSM1 1NXSM1 1NYSM1 1NZSM1 1PASM1 1PBSM1 1PGSM1 1PQSM1 1PRSM1 1QESM1 1QHSM1 1QJSM1 1QLSM1 1QNSM1 1QPSM1 1QRSM1 1QSSM1 1QTSM1 1QUSM1 1QWSM1 1QXSM1 1QYSM1 1QZSM1 1RBSM1 1RDSM1 1RESM1 1RGSM1 1RHSM1 1RJSM1 1RLSM1 1RNSM1 1RPSM1 1RQSM1 1RRSM1 1RTSM1 1RUSM1 1RWSM1 1RXSM1 1RYSM1 1RZSM1 1SASM1 1SBSM1 1SDSM1 1SESM1 1SGSM1 1SHSM1 1SJSM1 1SNSM1 1SPSM1 1SRSM1 1STSM1 1SW

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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