SW19 3 postcode sector in the SW19 district

SW19 3 is a sector of the SW19 district: every postcode that starts SW19 3. It has 214 postcodes in use, 13 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 SW19 3 sector, by flood risk

Map of every postcode in the SW19 3 sector, by flood risk Of the 214 postcodes in the SW19 3 sector that ONS places, 1 are at medium risk at worst, 2 are at low risk at worst and 211 are not on the Environment Agency's at-risk list. Places named: Merton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A24A219 SW19 3AA: not on the flood risk listSW19 3AB: not on the flood risk listSW19 3AD: not on the flood risk listSW19 3AE: not on the flood risk listSW19 3AF: not on the flood risk listSW19 3AG: not on the flood risk listSW19 3AL: not on the flood risk listSW19 3AN: not on the flood risk listSW19 3AP: not on the flood risk listSW19 3AR: not on the flood risk listSW19 3AS: not on the flood risk listSW19 3AT: not on the flood risk listSW19 3AU: not on the flood risk listSW19 3AW: not on the flood risk listSW19 3AX: not on the flood risk listSW19 3AY: not on the flood risk listSW19 3AZ: not on the flood risk listSW19 3BA: not on the flood risk listSW19 3BB: not on the flood risk listSW19 3BD: not on the flood risk listSW19 3BE: not on the flood risk listSW19 3BF: not on the flood risk listSW19 3BH: not on the flood risk listSW19 3BJ: not on the flood risk listSW19 3BL: not on the flood risk listSW19 3BP: not on the flood risk listSW19 3BS: not on the flood risk listSW19 3BY: not on the flood risk listSW19 3DA: not on the flood risk listSW19 3DB: not on the flood risk listSW19 3DD: not on the flood risk listSW19 3DE: not on the flood risk listSW19 3DF: not on the flood risk listSW19 3DH: not on the flood risk listSW19 3DJ: not on the flood risk listSW19 3DL: not on the flood risk listSW19 3DN: not on the flood risk listSW19 3DP: not on the flood risk listSW19 3DR: not on the flood risk listSW19 3DS: not on the flood risk listSW19 3DT: not on the flood risk listSW19 3DU: not on the flood risk listSW19 3DW: not on the flood risk listSW19 3DX: not on the flood risk listSW19 3DY: not on the flood risk listSW19 3EB: not on the flood risk listSW19 3EF: not on the flood risk listSW19 3EG: not on the flood risk listSW19 3EH: not on the flood risk listSW19 3EJ: not on the flood risk listSW19 3EL: not on the flood risk listSW19 3EN: not on the flood risk listSW19 3EP: not on the flood risk listSW19 3EQ: not on the flood risk listSW19 3ER: not on the flood risk listSW19 3ES: not on the flood risk listSW19 3EU: not on the flood risk listSW19 3EW: not on the flood risk listSW19 3EX: not on the flood risk listSW19 3EY: not on the flood risk listSW19 3EZ: not on the flood risk listSW19 3FF: not on the flood risk listSW19 3GY: not on the flood risk listSW19 3GZ: not on the flood risk listSW19 3HA: not on the flood risk listSW19 3HB: not on the flood risk listSW19 3HD: not on the flood risk listSW19 3HE: not on the flood risk listSW19 3HF: not on the flood risk listSW19 3HG: not on the flood risk listSW19 3HH: not on the flood risk listSW19 3HJ: not on the flood risk listSW19 3HL: not on the flood risk listSW19 3HN: not on the flood risk listSW19 3HP: not on the flood risk listSW19 3HQ: not on the flood risk listSW19 3HR: not on the flood risk listSW19 3HS: not on the flood risk listSW19 3HU: not on the flood risk listSW19 3HW: not on the flood risk listSW19 3HX: not on the flood risk listSW19 3HY: not on the flood risk listSW19 3HZ: not on the flood risk listSW19 3JA: not on the flood risk listSW19 3JB: not on the flood risk listSW19 3JD: not on the flood risk listSW19 3JE: not on the flood risk listSW19 3JF: not on the flood risk listSW19 3JG: not on the flood risk listSW19 3JH: not on the flood risk listSW19 3JJ: not on the flood risk listSW19 3JL: not on the flood risk listSW19 3JQ: not on the flood risk listSW19 3JR: not on the flood risk listSW19 3JS: not on the flood risk listSW19 3JT: not on the flood risk listSW19 3JU: not on the flood risk listSW19 3JW: not on the flood risk listSW19 3JX: not on the flood risk listSW19 3JY: not on the flood risk listSW19 3JZ: not on the flood risk listSW19 3LA: not on the flood risk listSW19 3LB: not on the flood risk listSW19 3LD: not on the flood risk listSW19 3LH: not on the flood risk listSW19 3LJ: not on the flood risk listSW19 3LL: not on the flood risk listSW19 3LN: not on the flood risk listSW19 3LP: not on the flood risk listSW19 3LR: not on the flood risk listSW19 3LS: not on the flood risk listSW19 3LU: not on the flood risk listSW19 3LW: not on the flood risk listSW19 3LX: not on the flood risk listSW19 3LY: not on the flood risk listSW19 3NA: not on the flood risk listSW19 3NB: not on the flood risk listSW19 3ND: not on the flood risk listSW19 3NE: not on the flood risk listSW19 3NF: not on the flood risk listSW19 3NG: not on the flood risk listSW19 3NH: not on the flood risk listSW19 3NJ: not on the flood risk listSW19 3NL: not on the flood risk listSW19 3NN: not on the flood risk listSW19 3NP: not on the flood risk listSW19 3NQ: not on the flood risk listSW19 3NS: not on the flood risk listSW19 3NT: not on the flood risk listSW19 3NU: not on the flood risk listSW19 3NW: not on the flood risk listSW19 3NX: not on the flood risk listSW19 3NY: not on the flood risk listSW19 3NZ: not on the flood risk listSW19 3PA: not on the flood risk listSW19 3PB: not on the flood risk listSW19 3PD: not on the flood risk listSW19 3PH: not on the flood risk listSW19 3PJ: not on the flood risk listSW19 3PL: not on the flood risk listSW19 3PN: not on the flood risk listSW19 3PP: not on the flood risk listSW19 3PR: not on the flood risk listSW19 3PS: not on the flood risk listSW19 3PT: not on the flood risk listSW19 3PU: not on the flood risk listSW19 3PW: not on the flood risk listSW19 3PX: not on the flood risk listSW19 3PY: not on the flood risk listSW19 3PZ: not on the flood risk listSW19 3QA: not on the flood risk listSW19 3QB: not on the flood risk listSW19 3QG: not on the flood risk listSW19 3QH: not on the flood risk listSW19 3QJ: not on the flood risk listSW19 3QL: not on the flood risk listSW19 3QN: not on the flood risk listSW19 3QP: not on the flood risk listSW19 3QR: not on the flood risk listSW19 3QS: not on the flood risk listSW19 3QT: not on the flood risk listSW19 3QU: not on the flood risk listSW19 3QW: not on the flood risk listSW19 3QX: not on the flood risk listSW19 3QY: not on the flood risk listSW19 3QZ: not on the flood risk listSW19 3RA: not on the flood risk listSW19 3RB: not on the flood risk listSW19 3RD: not on the flood risk listSW19 3RE: not on the flood risk listSW19 3RF: not on the flood risk listSW19 3RL: not on the flood risk listSW19 3RQ: not on the flood risk listSW19 3RU: not on the flood risk listSW19 3RZ: not on the flood risk listSW19 3SA: not on the flood risk listSW19 3SB: not on the flood risk listSW19 3SD: not on the flood risk listSW19 3SE: not on the flood risk listSW19 3SF: not on the flood risk listSW19 3SG: not on the flood risk listSW19 3SH: not on the flood risk listSW19 3SJ: not on the flood risk listSW19 3SL: not on the flood risk listSW19 3SP: not on the flood risk listSW19 3SQ: not on the flood risk listSW19 3SR: not on the flood risk listSW19 3SS: not on the flood risk listSW19 3SW: not on the flood risk listSW19 3TA: not on the flood risk listSW19 3TF: not on the flood risk listSW19 3TG: not on the flood risk listSW19 3TH: not on the flood risk listSW19 3TJ: not on the flood risk listSW19 3TL: not on the flood risk listSW19 3TN: not on the flood risk listSW19 3TP: not on the flood risk listSW19 3TQ: not on the flood risk listSW19 3TZ: not on the flood risk listSW19 3UA: not on the flood risk listSW19 3UB: not on the flood risk listSW19 3UF: not on the flood risk listSW19 3UP: not on the flood risk listSW19 3UX: not on the flood risk listSW19 3UY: not on the flood risk listSW19 3WB: not on the flood risk listSW19 3WL: not on the flood risk listSW19 3XD: not on the flood risk listSW19 3XX: not on the flood risk listSW19 3YX: not on the flood risk listSW19 3BT: low flood risk at worstSW19 3BU: low flood risk at worstSW19 3BX: medium flood risk at worst Merton Map of every postcode in the SW19 3 sector, by flood risk Of the 214 postcodes in the SW19 3 sector that ONS places, 1 are at medium risk at worst, 2 are at low risk at worst and 211 are not on the Environment Agency's at-risk list. Places named: Merton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Merton
  • A home or business at high risk: 0
  • At medium risk at worst: 1
  • At low risk at worst: 2
  • At very low risk only: 0
  • Not on the at-risk list: 211

Of the 214 postcodes in the SW19 3 sector that ONS places, 1 are at medium risk at worst, 2 are at low risk at worst and 211 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.

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 medium risk at worst

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

SW19 3BX1 at medium risk

What do homes sell for in SW19 3?

Homes in SW19 3 sold for a typical £720,000 in the 12 months to August 2026, across 99 sales, down 14% on the 12 months before, HM Land Registry's figures show.

£720,000 typical price, the 12 months to August 2026
£837,500 12 months to August 2025
▼ down 14% on the 12 months before
  • Detached 1 sale, too few to price
  • Semi-detached £1,260,000 20 sales
  • Terraced £920,000 37 sales
  • Flat or maisonette £435,000 41 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 SW19 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 SW19 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.

SW19 3AASW19 3ABSW19 3ADSW19 3AESW19 3AFSW19 3AGSW19 3ALSW19 3ANSW19 3APSW19 3ARSW19 3ASSW19 3ATSW19 3AUSW19 3AWSW19 3AXSW19 3AYSW19 3AZSW19 3BASW19 3BBSW19 3BDSW19 3BESW19 3BFSW19 3BHSW19 3BJSW19 3BLSW19 3BPSW19 3BSSW19 3BTSW19 3BUSW19 3BXSW19 3BYSW19 3DASW19 3DBSW19 3DDSW19 3DESW19 3DFSW19 3DHSW19 3DJSW19 3DLSW19 3DNSW19 3DPSW19 3DRSW19 3DSSW19 3DTSW19 3DUSW19 3DWSW19 3DXSW19 3DYSW19 3EBSW19 3EFSW19 3EGSW19 3EHSW19 3EJSW19 3ELSW19 3ENSW19 3EPSW19 3EQSW19 3ERSW19 3ESSW19 3EUSW19 3EWSW19 3EXSW19 3EYSW19 3EZSW19 3FFSW19 3GYSW19 3GZSW19 3HASW19 3HBSW19 3HDSW19 3HESW19 3HFSW19 3HGSW19 3HHSW19 3HJSW19 3HLSW19 3HNSW19 3HPSW19 3HQSW19 3HRSW19 3HSSW19 3HUSW19 3HWSW19 3HXSW19 3HYSW19 3HZSW19 3JASW19 3JBSW19 3JDSW19 3JESW19 3JFSW19 3JGSW19 3JHSW19 3JJSW19 3JLSW19 3JQSW19 3JRSW19 3JSSW19 3JTSW19 3JUSW19 3JWSW19 3JXSW19 3JYSW19 3JZSW19 3LASW19 3LBSW19 3LDSW19 3LHSW19 3LJSW19 3LLSW19 3LNSW19 3LPSW19 3LRSW19 3LSSW19 3LUSW19 3LWSW19 3LXSW19 3LYSW19 3NASW19 3NBSW19 3NDSW19 3NESW19 3NFSW19 3NGSW19 3NHSW19 3NJSW19 3NLSW19 3NNSW19 3NPSW19 3NQSW19 3NSSW19 3NTSW19 3NUSW19 3NWSW19 3NXSW19 3NYSW19 3NZSW19 3PASW19 3PBSW19 3PDSW19 3PHSW19 3PJSW19 3PLSW19 3PNSW19 3PPSW19 3PRSW19 3PSSW19 3PTSW19 3PUSW19 3PWSW19 3PXSW19 3PYSW19 3PZSW19 3QASW19 3QBSW19 3QGSW19 3QHSW19 3QJSW19 3QLSW19 3QNSW19 3QPSW19 3QRSW19 3QSSW19 3QTSW19 3QUSW19 3QWSW19 3QXSW19 3QYSW19 3QZSW19 3RASW19 3RBSW19 3RDSW19 3RESW19 3RFSW19 3RLSW19 3RQSW19 3RUSW19 3RZSW19 3SASW19 3SBSW19 3SDSW19 3SESW19 3SFSW19 3SGSW19 3SHSW19 3SJSW19 3SLSW19 3SPSW19 3SQSW19 3SRSW19 3SSSW19 3SWSW19 3TASW19 3TFSW19 3TGSW19 3THSW19 3TJSW19 3TLSW19 3TNSW19 3TPSW19 3TQSW19 3TZSW19 3UASW19 3UBSW19 3UFSW19 3UPSW19 3UUSW19 3UXSW19 3UYSW19 3WBSW19 3WLSW19 3XDSW19 3XXSW19 3YX

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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