SM3 9 postcode sector in the SM3 district

SM3 9 is a sector of the SM3 district: every postcode that starts SM3 9. It has 218 postcodes in use, 8 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 SM3 9 sector, by flood risk

Map of every postcode in the SM3 9 sector, by flood risk Of the 218 postcodes in the SM3 9 sector that ONS places, 5 have a home or business at high risk, 2 are at medium risk at worst, 10 are at low risk at worst and 201 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Stonecot, North Cheam. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A217 SM3 9AA: not on the flood risk listSM3 9AB: not on the flood risk listSM3 9AD: not on the flood risk listSM3 9AE: not on the flood risk listSM3 9AG: not on the flood risk listSM3 9AH: not on the flood risk listSM3 9AJ: not on the flood risk listSM3 9AL: not on the flood risk listSM3 9AN: not on the flood risk listSM3 9AP: not on the flood risk listSM3 9AQ: not on the flood risk listSM3 9AR: not on the flood risk listSM3 9AS: not on the flood risk listSM3 9AT: not on the flood risk listSM3 9AU: not on the flood risk listSM3 9AW: not on the flood risk listSM3 9AX: not on the flood risk listSM3 9AY: not on the flood risk listSM3 9AZ: not on the flood risk listSM3 9BA: not on the flood risk listSM3 9BB: not on the flood risk listSM3 9BD: not on the flood risk listSM3 9BE: not on the flood risk listSM3 9BF: not on the flood risk listSM3 9BG: not on the flood risk listSM3 9BH: not on the flood risk listSM3 9BL: not on the flood risk listSM3 9BN: not on the flood risk listSM3 9BP: not on the flood risk listSM3 9BQ: not on the flood risk listSM3 9BT: not on the flood risk listSM3 9BU: not on the flood risk listSM3 9BW: not on the flood risk listSM3 9BX: not on the flood risk listSM3 9BY: not on the flood risk listSM3 9BZ: not on the flood risk listSM3 9DA: not on the flood risk listSM3 9DF: not on the flood risk listSM3 9DG: not on the flood risk listSM3 9DL: not on the flood risk listSM3 9DW: not on the flood risk listSM3 9DX: not on the flood risk listSM3 9ED: not on the flood risk listSM3 9EF: not on the flood risk listSM3 9EG: not on the flood risk listSM3 9EL: not on the flood risk listSM3 9EN: not on the flood risk listSM3 9EQ: not on the flood risk listSM3 9ES: not on the flood risk listSM3 9EY: not on the flood risk listSM3 9HA: not on the flood risk listSM3 9HB: not on the flood risk listSM3 9HE: not on the flood risk listSM3 9HG: not on the flood risk listSM3 9HH: not on the flood risk listSM3 9HJ: not on the flood risk listSM3 9HN: not on the flood risk listSM3 9HQ: not on the flood risk listSM3 9HR: not on the flood risk listSM3 9HS: not on the flood risk listSM3 9HT: not on the flood risk listSM3 9HU: not on the flood risk listSM3 9HW: not on the flood risk listSM3 9HY: not on the flood risk listSM3 9HZ: not on the flood risk listSM3 9JA: not on the flood risk listSM3 9JB: not on the flood risk listSM3 9JD: not on the flood risk listSM3 9JE: not on the flood risk listSM3 9JF: not on the flood risk listSM3 9JH: not on the flood risk listSM3 9JJ: not on the flood risk listSM3 9JL: not on the flood risk listSM3 9JN: not on the flood risk listSM3 9JP: not on the flood risk listSM3 9JR: not on the flood risk listSM3 9JS: not on the flood risk listSM3 9JT: not on the flood risk listSM3 9JU: not on the flood risk listSM3 9JW: not on the flood risk listSM3 9JX: not on the flood risk listSM3 9JY: not on the flood risk listSM3 9JZ: not on the flood risk listSM3 9LA: not on the flood risk listSM3 9LB: not on the flood risk listSM3 9LE: not on the flood risk listSM3 9LF: not on the flood risk listSM3 9LJ: not on the flood risk listSM3 9LL: not on the flood risk listSM3 9LN: not on the flood risk listSM3 9LS: not on the flood risk listSM3 9LT: not on the flood risk listSM3 9LW: not on the flood risk listSM3 9LY: not on the flood risk listSM3 9LZ: not on the flood risk listSM3 9NA: not on the flood risk listSM3 9NB: not on the flood risk listSM3 9ND: not on the flood risk listSM3 9NE: not on the flood risk listSM3 9NG: not on the flood risk listSM3 9NH: not on the flood risk listSM3 9NJ: not on the flood risk listSM3 9NL: not on the flood risk listSM3 9NN: not on the flood risk listSM3 9NQ: not on the flood risk listSM3 9NS: not on the flood risk listSM3 9NT: not on the flood risk listSM3 9NU: not on the flood risk listSM3 9NX: not on the flood risk listSM3 9PA: not on the flood risk listSM3 9PB: not on the flood risk listSM3 9PE: not on the flood risk listSM3 9PF: not on the flood risk listSM3 9PG: not on the flood risk listSM3 9PH: not on the flood risk listSM3 9PJ: not on the flood risk listSM3 9PL: not on the flood risk listSM3 9PP: not on the flood risk listSM3 9PQ: not on the flood risk listSM3 9PR: not on the flood risk listSM3 9PS: not on the flood risk listSM3 9PU: not on the flood risk listSM3 9PW: not on the flood risk listSM3 9PX: not on the flood risk listSM3 9PY: not on the flood risk listSM3 9QA: not on the flood risk listSM3 9QB: not on the flood risk listSM3 9QD: not on the flood risk listSM3 9QE: not on the flood risk listSM3 9QF: not on the flood risk listSM3 9QG: not on the flood risk listSM3 9QH: not on the flood risk listSM3 9QP: not on the flood risk listSM3 9QR: not on the flood risk listSM3 9QS: not on the flood risk listSM3 9QW: not on the flood risk listSM3 9QX: not on the flood risk listSM3 9QY: not on the flood risk listSM3 9RD: not on the flood risk listSM3 9RF: not on the flood risk listSM3 9RG: not on the flood risk listSM3 9RQ: not on the flood risk listSM3 9RR: not on the flood risk listSM3 9RS: not on the flood risk listSM3 9RT: not on the flood risk listSM3 9RU: not on the flood risk listSM3 9RX: not on the flood risk listSM3 9RY: not on the flood risk listSM3 9RZ: not on the flood risk listSM3 9SA: not on the flood risk listSM3 9SB: not on the flood risk listSM3 9SD: not on the flood risk listSM3 9SE: not on the flood risk listSM3 9SF: not on the flood risk listSM3 9SG: not on the flood risk listSM3 9SJ: not on the flood risk listSM3 9SL: not on the flood risk listSM3 9SN: not on the flood risk listSM3 9SP: not on the flood risk listSM3 9SQ: not on the flood risk listSM3 9SR: not on the flood risk listSM3 9SS: not on the flood risk listSM3 9ST: not on the flood risk listSM3 9SU: not on the flood risk listSM3 9SW: not on the flood risk listSM3 9SX: not on the flood risk listSM3 9SY: not on the flood risk listSM3 9SZ: not on the flood risk listSM3 9TA: not on the flood risk listSM3 9TB: not on the flood risk listSM3 9TD: not on the flood risk listSM3 9TE: not on the flood risk listSM3 9TF: not on the flood risk listSM3 9TH: not on the flood risk listSM3 9TJ: not on the flood risk listSM3 9TL: not on the flood risk listSM3 9TN: not on the flood risk listSM3 9TP: not on the flood risk listSM3 9TQ: not on the flood risk listSM3 9TR: not on the flood risk listSM3 9TS: not on the flood risk listSM3 9TT: not on the flood risk listSM3 9TU: not on the flood risk listSM3 9TX: not on the flood risk listSM3 9TZ: not on the flood risk listSM3 9UA: not on the flood risk listSM3 9UB: not on the flood risk listSM3 9UD: not on the flood risk listSM3 9UE: not on the flood risk listSM3 9UF: not on the flood risk listSM3 9UG: not on the flood risk listSM3 9UJ: not on the flood risk listSM3 9UL: not on the flood risk listSM3 9UN: not on the flood risk listSM3 9UP: not on the flood risk listSM3 9UR: not on the flood risk listSM3 9UT: not on the flood risk listSM3 9UU: not on the flood risk listSM3 9UW: not on the flood risk listSM3 9WS: not on the flood risk listSM3 9BJ: low flood risk at worstSM3 9DR: low flood risk at worstSM3 9EB: low flood risk at worstSM3 9HX: low flood risk at worstSM3 9QJ: low flood risk at worstSM3 9QQ: low flood risk at worstSM3 9QZ: low flood risk at worstSM3 9RA: low flood risk at worstSM3 9RJ: low flood risk at worstSM3 9RN: low flood risk at worstSM3 9EA: medium flood risk at worstSM3 9RH: medium flood risk at worstSM3 9DT: high flood riskSM3 9QL: high flood riskSM3 9QN: high flood riskSM3 9RE: high flood riskSM3 9RL: high flood risk StonecotNorth Cheam Map of every postcode in the SM3 9 sector, by flood risk Of the 218 postcodes in the SM3 9 sector that ONS places, 5 have a home or business at high risk, 2 are at medium risk at worst, 10 are at low risk at worst and 201 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Stonecot, North Cheam. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. StonecotNorth Cheam
  • A home or business at high risk: 5
  • At medium risk at worst: 2
  • At low risk at worst: 10
  • At very low risk only: 0
  • Not on the at-risk list: 201

Of the 218 postcodes in the SM3 9 sector that ONS places, 5 have a home or business at high risk, 2 are at medium risk at worst, 10 are at low risk at worst and 201 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.

SM3 9DT43 at high riskSM3 9RL14 at high riskSM3 9QN4 at high riskSM3 9RE1 at high riskSM3 9QL1 at high risk

Further out, not drawn

This postcode lies well apart from the rest, so the map is drawn without it to show the rest closer; it is in every count.

SM3 9WW

What do homes sell for in SM3 9?

Homes in SM3 9 sold for a typical £551,500 in the 12 months to August 2026, across 120 sales, up 0.3% on the 12 months before, HM Land Registry's figures show.

£551,500 typical price, the 12 months to August 2026
£550,000 12 months to August 2025
▲ up 0.3% on the 12 months before
  • Detached 1 sale, too few to price
  • Semi-detached £600,000 49 sales
  • Terraced £535,000 58 sales
  • Flat or maisonette £311,750 12 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 SM3 9. 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 SM3 9

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.

SM3 9AASM3 9ABSM3 9ADSM3 9AESM3 9AGSM3 9AHSM3 9AJSM3 9ALSM3 9ANSM3 9APSM3 9AQSM3 9ARSM3 9ASSM3 9ATSM3 9AUSM3 9AWSM3 9AXSM3 9AYSM3 9AZSM3 9BASM3 9BBSM3 9BDSM3 9BESM3 9BFSM3 9BGSM3 9BHSM3 9BJSM3 9BLSM3 9BNSM3 9BPSM3 9BQSM3 9BTSM3 9BUSM3 9BWSM3 9BXSM3 9BYSM3 9BZSM3 9DASM3 9DFSM3 9DGSM3 9DLSM3 9DRSM3 9DTSM3 9DWSM3 9DXSM3 9EASM3 9EBSM3 9EDSM3 9EFSM3 9EGSM3 9ELSM3 9ENSM3 9EQSM3 9ESSM3 9EYSM3 9HASM3 9HBSM3 9HESM3 9HGSM3 9HHSM3 9HJSM3 9HNSM3 9HQSM3 9HRSM3 9HSSM3 9HTSM3 9HUSM3 9HWSM3 9HXSM3 9HYSM3 9HZSM3 9JASM3 9JBSM3 9JDSM3 9JESM3 9JFSM3 9JHSM3 9JJSM3 9JLSM3 9JNSM3 9JPSM3 9JRSM3 9JSSM3 9JTSM3 9JUSM3 9JWSM3 9JXSM3 9JYSM3 9JZSM3 9LASM3 9LBSM3 9LESM3 9LFSM3 9LJSM3 9LLSM3 9LNSM3 9LSSM3 9LTSM3 9LWSM3 9LYSM3 9LZSM3 9NASM3 9NBSM3 9NDSM3 9NESM3 9NGSM3 9NHSM3 9NJSM3 9NLSM3 9NNSM3 9NQSM3 9NSSM3 9NTSM3 9NUSM3 9NXSM3 9PASM3 9PBSM3 9PESM3 9PFSM3 9PGSM3 9PHSM3 9PJSM3 9PLSM3 9PPSM3 9PQSM3 9PRSM3 9PSSM3 9PUSM3 9PWSM3 9PXSM3 9PYSM3 9QASM3 9QBSM3 9QDSM3 9QESM3 9QFSM3 9QGSM3 9QHSM3 9QJSM3 9QLSM3 9QNSM3 9QPSM3 9QQSM3 9QRSM3 9QSSM3 9QWSM3 9QXSM3 9QYSM3 9QZSM3 9RASM3 9RDSM3 9RESM3 9RFSM3 9RGSM3 9RHSM3 9RJSM3 9RLSM3 9RNSM3 9RQSM3 9RRSM3 9RSSM3 9RTSM3 9RUSM3 9RXSM3 9RYSM3 9RZSM3 9SASM3 9SBSM3 9SDSM3 9SESM3 9SFSM3 9SGSM3 9SJSM3 9SLSM3 9SNSM3 9SPSM3 9SQSM3 9SRSM3 9SSSM3 9STSM3 9SUSM3 9SWSM3 9SXSM3 9SYSM3 9SZSM3 9TASM3 9TBSM3 9TDSM3 9TESM3 9TFSM3 9THSM3 9TJSM3 9TLSM3 9TNSM3 9TPSM3 9TQSM3 9TRSM3 9TSSM3 9TTSM3 9TUSM3 9TXSM3 9TZSM3 9UASM3 9UBSM3 9UDSM3 9UESM3 9UFSM3 9UGSM3 9UJSM3 9ULSM3 9UNSM3 9UPSM3 9URSM3 9UTSM3 9UUSM3 9UWSM3 9WSSM3 9WW

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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