SM5 4 postcode sector in the SM5 district

SM5 4 is a sector of the SM5 district: every postcode that starts SM5 4. It has 123 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 4 sector, and which are new since 2020

Map of every postcode in the SM5 4 sector, by new since 2020 Of the 123 postcodes in the SM5 4 sector that ONS places, 1 are new since 2020 and 122 were in use before 2020. One postcode lies beyond the edge and is listed under the map. Places named: Carshalton South & Clockhouse, Wallington South. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A2022 SM5 4AA: before 2020SM5 4AB: before 2020SM5 4AD: before 2020SM5 4AE: before 2020SM5 4AF: before 2020SM5 4AG: before 2020SM5 4AL: before 2020SM5 4AN: before 2020SM5 4AP: before 2020SM5 4AQ: before 2020SM5 4AS: before 2020SM5 4AT: before 2020SM5 4AU: before 2020SM5 4AW: before 2020SM5 4AY: before 2020SM5 4AZ: before 2020SM5 4BB: before 2020SM5 4BD: before 2020SM5 4BE: before 2020SM5 4BF: before 2020SM5 4BJ: before 2020SM5 4BP: before 2020SM5 4BX: before 2020SM5 4BY: before 2020SM5 4DD: before 2020SM5 4DH: before 2020SM5 4DP: before 2020SM5 4DQ: before 2020SM5 4DT: before 2020SM5 4DW: before 2020SM5 4EA: before 2020SM5 4EF: before 2020SM5 4EG: before 2020SM5 4EH: before 2020SM5 4EJ: before 2020SM5 4EL: before 2020SM5 4EN: before 2020SM5 4EQ: before 2020SM5 4ES: before 2020SM5 4EW: before 2020SM5 4HA: before 2020SM5 4HB: before 2020SM5 4HD: before 2020SM5 4HE: before 2020SM5 4HL: before 2020SM5 4HN: before 2020SM5 4HP: before 2020SM5 4HQ: before 2020SM5 4HR: before 2020SM5 4HS: before 2020SM5 4HT: before 2020SM5 4HW: before 2020SM5 4HZ: before 2020SM5 4JA: before 2020SM5 4JF: before 2020SM5 4JH: before 2020SM5 4JJ: before 2020SM5 4JL: before 2020SM5 4JN: before 2020SM5 4JS: before 2020SM5 4JT: before 2020SM5 4JU: before 2020SM5 4JW: before 2020SM5 4JX: before 2020SM5 4LA: before 2020SM5 4LB: before 2020SM5 4LD: before 2020SM5 4LE: before 2020SM5 4LF: before 2020SM5 4LG: before 2020SM5 4LH: before 2020SM5 4LJ: before 2020SM5 4LL: before 2020SM5 4LN: before 2020SM5 4LP: before 2020SM5 4LQ: before 2020SM5 4LR: before 2020SM5 4LS: before 2020SM5 4LT: before 2020SM5 4LU: before 2020SM5 4LW: before 2020SM5 4LX: before 2020SM5 4LY: before 2020SM5 4LZ: before 2020SM5 4NA: before 2020SM5 4NB: before 2020SM5 4NG: before 2020SM5 4NH: before 2020SM5 4NJ: before 2020SM5 4NL: before 2020SM5 4NP: before 2020SM5 4NQ: before 2020SM5 4NR: before 2020SM5 4NS: before 2020SM5 4NX: before 2020SM5 4NY: before 2020SM5 4NZ: before 2020SM5 4PA: before 2020SM5 4PB: before 2020SM5 4PD: before 2020SM5 4PE: before 2020SM5 4PF: before 2020SM5 4PG: before 2020SM5 4PH: before 2020SM5 4PL: before 2020SM5 4PN: before 2020SM5 4PP: before 2020SM5 4PQ: before 2020SM5 4PR: before 2020SM5 4PS: before 2020SM5 4PT: before 2020SM5 4PU: before 2020SM5 4PW: before 2020SM5 4PX: before 2020SM5 4PY: before 2020SM5 4QB: before 2020SM5 4QE: before 2020SM5 4QH: before 2020SM5 4QJ: before 2020SM5 4QL: before 2020SM5 4QQ: before 2020SM5 4BG: new since 2020 Carshalton South & ClockhouseWallington South Map of every postcode in the SM5 4 sector, by new since 2020 Of the 123 postcodes in the SM5 4 sector that ONS places, 1 are new since 2020 and 122 were in use before 2020. One postcode lies beyond the edge and is listed under the map. Places named: Carshalton South & Clockhouse, Wallington South. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Carshalton South & ClockhouseWallington South
  • New since 2020: 1
  • In use before 2020: 122

Of the 123 postcodes in the SM5 4 sector that ONS places, 1 are new since 2020 and 122 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. 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; when each came into use: the same directory; 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 newest postcode

SM5 4BGMay 2023

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.

SM5 4AH

What do homes sell for in SM5 4?

Homes in SM5 4 sold for a typical £630,000 in the 12 months to August 2026, across 47 sales, up 3.3% on the 12 months before, HM Land Registry's figures show.

£630,000 typical price, the 12 months to August 2026
£610,000 12 months to August 2025
▲ up 3.3% on the 12 months before
  • Detached £1,125,000 7 sales
  • Semi-detached £735,000 17 sales
  • Terraced £502,000 14 sales
  • Flat or maisonette £277,000 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 SM5 4. 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 4

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 4AASM5 4ABSM5 4ADSM5 4AESM5 4AFSM5 4AGSM5 4AHSM5 4ALSM5 4ANSM5 4APSM5 4AQSM5 4ASSM5 4ATSM5 4AUSM5 4AWSM5 4AYSM5 4AZSM5 4BBSM5 4BDSM5 4BESM5 4BFSM5 4BGSM5 4BJSM5 4BPSM5 4BXSM5 4BYSM5 4DDSM5 4DHSM5 4DPSM5 4DQSM5 4DTSM5 4DWSM5 4EASM5 4EFSM5 4EGSM5 4EHSM5 4EJSM5 4ELSM5 4ENSM5 4EQSM5 4ESSM5 4EWSM5 4HASM5 4HBSM5 4HDSM5 4HESM5 4HLSM5 4HNSM5 4HPSM5 4HQSM5 4HRSM5 4HSSM5 4HTSM5 4HWSM5 4HZSM5 4JASM5 4JFSM5 4JHSM5 4JJSM5 4JLSM5 4JNSM5 4JSSM5 4JTSM5 4JUSM5 4JWSM5 4JXSM5 4LASM5 4LBSM5 4LDSM5 4LESM5 4LFSM5 4LGSM5 4LHSM5 4LJSM5 4LLSM5 4LNSM5 4LPSM5 4LQSM5 4LRSM5 4LSSM5 4LTSM5 4LUSM5 4LWSM5 4LXSM5 4LYSM5 4LZSM5 4NASM5 4NBSM5 4NGSM5 4NHSM5 4NJSM5 4NLSM5 4NPSM5 4NQSM5 4NRSM5 4NSSM5 4NXSM5 4NYSM5 4NZSM5 4PASM5 4PBSM5 4PDSM5 4PESM5 4PFSM5 4PGSM5 4PHSM5 4PLSM5 4PNSM5 4PPSM5 4PQSM5 4PRSM5 4PSSM5 4PTSM5 4PUSM5 4PWSM5 4PXSM5 4PYSM5 4QBSM5 4QESM5 4QHSM5 4QJSM5 4QLSM5 4QQ

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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