SM5 3 postcode sector in the SM5 district

SM5 3 is a sector of the SM5 district: every postcode that starts SM5 3. It has 163 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 SM5 3 sector, by flood risk

Map of every postcode in the SM5 3 sector, by flood risk Of the 163 postcodes in the SM5 3 sector that ONS places, 163 are not on the Environment Agency's at-risk list. Places named: Carshalton Central, Carshalton South & Clockhouse. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. SM5 3AA: not on the flood risk listSM5 3AB: not on the flood risk listSM5 3AE: not on the flood risk listSM5 3AG: not on the flood risk listSM5 3AL: not on the flood risk listSM5 3AP: not on the flood risk listSM5 3AT: not on the flood risk listSM5 3AW: not on the flood risk listSM5 3AX: not on the flood risk listSM5 3AY: not on the flood risk listSM5 3AZ: not on the flood risk listSM5 3BA: not on the flood risk listSM5 3BB: not on the flood risk listSM5 3BD: not on the flood risk listSM5 3BE: not on the flood risk listSM5 3BF: not on the flood risk listSM5 3BH: not on the flood risk listSM5 3BJ: not on the flood risk listSM5 3BL: not on the flood risk listSM5 3BN: not on the flood risk listSM5 3BP: not on the flood risk listSM5 3BS: not on the flood risk listSM5 3BU: not on the flood risk listSM5 3BW: not on the flood risk listSM5 3BX: not on the flood risk listSM5 3BY: not on the flood risk listSM5 3DD: not on the flood risk listSM5 3DE: not on the flood risk listSM5 3DG: not on the flood risk listSM5 3DH: not on the flood risk listSM5 3DL: not on the flood risk listSM5 3DN: not on the flood risk listSM5 3DT: not on the flood risk listSM5 3DU: not on the flood risk listSM5 3DW: not on the flood risk listSM5 3DX: not on the flood risk listSM5 3DY: not on the flood risk listSM5 3DZ: not on the flood risk listSM5 3ED: not on the flood risk listSM5 3EE: not on the flood risk listSM5 3EF: not on the flood risk listSM5 3EH: not on the flood risk listSM5 3EJ: not on the flood risk listSM5 3EN: not on the flood risk listSM5 3EP: not on the flood risk listSM5 3ES: not on the flood risk listSM5 3ET: not on the flood risk listSM5 3EU: not on the flood risk listSM5 3EW: not on the flood risk listSM5 3EX: not on the flood risk listSM5 3EZ: not on the flood risk listSM5 3HA: not on the flood risk listSM5 3HD: not on the flood risk listSM5 3HE: not on the flood risk listSM5 3HF: not on the flood risk listSM5 3HG: not on the flood risk listSM5 3HL: not on the flood risk listSM5 3HN: not on the flood risk listSM5 3HQ: not on the flood risk listSM5 3HT: not on the flood risk listSM5 3HW: not on the flood risk listSM5 3HX: not on the flood risk listSM5 3HY: not on the flood risk listSM5 3HZ: not on the flood risk listSM5 3JA: not on the flood risk listSM5 3JB: not on the flood risk listSM5 3JD: not on the flood risk listSM5 3JE: not on the flood risk listSM5 3JF: not on the flood risk listSM5 3JG: not on the flood risk listSM5 3JH: not on the flood risk listSM5 3JJ: not on the flood risk listSM5 3JL: not on the flood risk listSM5 3JN: not on the flood risk listSM5 3JP: not on the flood risk listSM5 3JR: not on the flood risk listSM5 3JU: not on the flood risk listSM5 3JW: not on the flood risk listSM5 3JX: not on the flood risk listSM5 3JZ: not on the flood risk listSM5 3LB: not on the flood risk listSM5 3LF: not on the flood risk listSM5 3LG: not on the flood risk listSM5 3LJ: not on the flood risk listSM5 3LL: not on the flood risk listSM5 3LN: not on the flood risk listSM5 3LQ: not on the flood risk listSM5 3LS: not on the flood risk listSM5 3LT: not on the flood risk listSM5 3LW: not on the flood risk listSM5 3LY: not on the flood risk listSM5 3LZ: not on the flood risk listSM5 3NA: not on the flood risk listSM5 3ND: not on the flood risk listSM5 3NF: not on the flood risk listSM5 3NG: not on the flood risk listSM5 3NH: not on the flood risk listSM5 3NJ: not on the flood risk listSM5 3NL: not on the flood risk listSM5 3NP: not on the flood risk listSM5 3NQ: not on the flood risk listSM5 3NR: not on the flood risk listSM5 3NS: not on the flood risk listSM5 3NW: not on the flood risk listSM5 3NX: not on the flood risk listSM5 3NY: not on the flood risk listSM5 3PD: not on the flood risk listSM5 3PE: not on the flood risk listSM5 3PF: not on the flood risk listSM5 3PG: not on the flood risk listSM5 3PL: not on the flood risk listSM5 3PN: not on the flood risk listSM5 3PS: not on the flood risk listSM5 3PT: not on the flood risk listSM5 3PU: not on the flood risk listSM5 3PX: not on the flood risk listSM5 3PY: not on the flood risk listSM5 3PZ: not on the flood risk listSM5 3QB: not on the flood risk listSM5 3QD: not on the flood risk listSM5 3QE: not on the flood risk listSM5 3QF: not on the flood risk listSM5 3QG: not on the flood risk listSM5 3QH: not on the flood risk listSM5 3QJ: not on the flood risk listSM5 3QN: not on the flood risk listSM5 3QP: not on the flood risk listSM5 3QQ: not on the flood risk listSM5 3QR: not on the flood risk listSM5 3QS: not on the flood risk listSM5 3QT: not on the flood risk listSM5 3QU: not on the flood risk listSM5 3QW: not on the flood risk listSM5 3QX: not on the flood risk listSM5 3QY: not on the flood risk listSM5 3QZ: not on the flood risk listSM5 3RA: not on the flood risk listSM5 3RB: not on the flood risk listSM5 3RE: not on the flood risk listSM5 3RF: not on the flood risk listSM5 3RG: not on the flood risk listSM5 3RL: not on the flood risk listSM5 3RP: not on the flood risk listSM5 3RR: not on the flood risk listSM5 3RS: not on the flood risk listSM5 3RT: not on the flood risk listSM5 3RU: not on the flood risk listSM5 3RW: not on the flood risk listSM5 3RZ: not on the flood risk listSM5 3SA: not on the flood risk listSM5 3SB: not on the flood risk listSM5 3SD: not on the flood risk listSM5 3SE: not on the flood risk listSM5 3SF: not on the flood risk listSM5 3SG: not on the flood risk listSM5 3SJ: not on the flood risk listSM5 3SP: not on the flood risk listSM5 3SR: not on the flood risk listSM5 3SS: not on the flood risk listSM5 3ST: not on the flood risk listSM5 3SU: not on the flood risk listSM5 3SW: not on the flood risk listSM5 3SX: not on the flood risk list Carshalton CentralCarshalton South & Clockhouse Map of every postcode in the SM5 3 sector, by flood risk Of the 163 postcodes in the SM5 3 sector that ONS places, 163 are not on the Environment Agency's at-risk list. Places named: Carshalton Central, Carshalton South & Clockhouse. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Carshalton CentralCarshalton South & Clockhouse
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 163

Of the 163 postcodes in the SM5 3 sector that ONS places, 163 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. 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 SM5 3?

Homes in SM5 3 sold for a typical £601,000 in the 12 months to August 2026, across 64 sales, down 0.7% on the 12 months before, HM Land Registry's figures show.

£601,000 typical price, the 12 months to August 2026
£605,000 12 months to August 2025
▼ down 0.7% on the 12 months before
  • Detached £822,000 7 sales
  • Semi-detached £700,000 31 sales
  • Terraced £493,000 9 sales
  • Flat or maisonette £322,500 17 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 SM5 3. 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 SM5 3

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.

SM5 3AASM5 3ABSM5 3AESM5 3AGSM5 3ALSM5 3APSM5 3ATSM5 3AWSM5 3AXSM5 3AYSM5 3AZSM5 3BASM5 3BBSM5 3BDSM5 3BESM5 3BFSM5 3BHSM5 3BJSM5 3BLSM5 3BNSM5 3BPSM5 3BSSM5 3BUSM5 3BWSM5 3BXSM5 3BYSM5 3DDSM5 3DESM5 3DGSM5 3DHSM5 3DLSM5 3DNSM5 3DTSM5 3DUSM5 3DWSM5 3DXSM5 3DYSM5 3DZSM5 3EDSM5 3EESM5 3EFSM5 3EHSM5 3EJSM5 3ENSM5 3EPSM5 3ESSM5 3ETSM5 3EUSM5 3EWSM5 3EXSM5 3EZSM5 3HASM5 3HDSM5 3HESM5 3HFSM5 3HGSM5 3HLSM5 3HNSM5 3HQSM5 3HTSM5 3HWSM5 3HXSM5 3HYSM5 3HZSM5 3JASM5 3JBSM5 3JDSM5 3JESM5 3JFSM5 3JGSM5 3JHSM5 3JJSM5 3JLSM5 3JNSM5 3JPSM5 3JRSM5 3JUSM5 3JWSM5 3JXSM5 3JZSM5 3LBSM5 3LFSM5 3LGSM5 3LJSM5 3LLSM5 3LNSM5 3LQSM5 3LSSM5 3LTSM5 3LWSM5 3LYSM5 3LZSM5 3NASM5 3NDSM5 3NFSM5 3NGSM5 3NHSM5 3NJSM5 3NLSM5 3NPSM5 3NQSM5 3NRSM5 3NSSM5 3NWSM5 3NXSM5 3NYSM5 3PDSM5 3PESM5 3PFSM5 3PGSM5 3PLSM5 3PNSM5 3PSSM5 3PTSM5 3PUSM5 3PXSM5 3PYSM5 3PZSM5 3QBSM5 3QDSM5 3QESM5 3QFSM5 3QGSM5 3QHSM5 3QJSM5 3QNSM5 3QPSM5 3QQSM5 3QRSM5 3QSSM5 3QTSM5 3QUSM5 3QWSM5 3QXSM5 3QYSM5 3QZSM5 3RASM5 3RBSM5 3RESM5 3RFSM5 3RGSM5 3RLSM5 3RPSM5 3RRSM5 3RSSM5 3RTSM5 3RUSM5 3RWSM5 3RZSM5 3SASM5 3SBSM5 3SDSM5 3SESM5 3SFSM5 3SGSM5 3SJSM5 3SPSM5 3SRSM5 3SSSM5 3STSM5 3SUSM5 3SWSM5 3SX

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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