SE18 3 postcode sector in the SE18 district

SE18 3 is a sector of the SE18 district: every postcode that starts SE18 3. It has 194 postcodes in use, 3 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 SE18 3 sector, by flood risk

Map of every postcode in the SE18 3 sector, by flood risk Of the 194 postcodes in the SE18 3 sector that ONS places, 1 are at very low risk only and 193 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Shooters Hill. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A205A207 SE18 3AA: not on the flood risk listSE18 3AB: not on the flood risk listSE18 3AD: not on the flood risk listSE18 3AE: not on the flood risk listSE18 3AF: not on the flood risk listSE18 3AG: not on the flood risk listSE18 3AH: not on the flood risk listSE18 3AL: not on the flood risk listSE18 3AN: not on the flood risk listSE18 3AP: not on the flood risk listSE18 3AQ: not on the flood risk listSE18 3AS: not on the flood risk listSE18 3AT: not on the flood risk listSE18 3AU: not on the flood risk listSE18 3BA: not on the flood risk listSE18 3BE: not on the flood risk listSE18 3BF: not on the flood risk listSE18 3BG: not on the flood risk listSE18 3BN: not on the flood risk listSE18 3BP: not on the flood risk listSE18 3BQ: not on the flood risk listSE18 3BS: not on the flood risk listSE18 3BT: not on the flood risk listSE18 3BU: not on the flood risk listSE18 3BX: not on the flood risk listSE18 3BY: not on the flood risk listSE18 3BZ: not on the flood risk listSE18 3DA: not on the flood risk listSE18 3DB: not on the flood risk listSE18 3DD: not on the flood risk listSE18 3DE: not on the flood risk listSE18 3DF: not on the flood risk listSE18 3DH: not on the flood risk listSE18 3DJ: not on the flood risk listSE18 3DL: not on the flood risk listSE18 3DN: not on the flood risk listSE18 3DP: not on the flood risk listSE18 3DQ: not on the flood risk listSE18 3DR: not on the flood risk listSE18 3DS: not on the flood risk listSE18 3DT: not on the flood risk listSE18 3DU: not on the flood risk listSE18 3DY: not on the flood risk listSE18 3DZ: not on the flood risk listSE18 3EA: not on the flood risk listSE18 3EB: not on the flood risk listSE18 3ED: not on the flood risk listSE18 3EE: not on the flood risk listSE18 3EF: not on the flood risk listSE18 3EG: not on the flood risk listSE18 3EP: not on the flood risk listSE18 3ER: not on the flood risk listSE18 3ES: not on the flood risk listSE18 3EU: not on the flood risk listSE18 3EW: not on the flood risk listSE18 3EX: not on the flood risk listSE18 3EZ: not on the flood risk listSE18 3HA: not on the flood risk listSE18 3HB: not on the flood risk listSE18 3HF: not on the flood risk listSE18 3HG: not on the flood risk listSE18 3HP: not on the flood risk listSE18 3HQ: not on the flood risk listSE18 3HU: not on the flood risk listSE18 3HW: not on the flood risk listSE18 3HY: not on the flood risk listSE18 3JA: not on the flood risk listSE18 3JB: not on the flood risk listSE18 3JE: not on the flood risk listSE18 3JF: not on the flood risk listSE18 3JH: not on the flood risk listSE18 3JJ: not on the flood risk listSE18 3JL: not on the flood risk listSE18 3JN: not on the flood risk listSE18 3JQ: not on the flood risk listSE18 3JW: not on the flood risk listSE18 3JX: not on the flood risk listSE18 3JY: not on the flood risk listSE18 3JZ: not on the flood risk listSE18 3LA: not on the flood risk listSE18 3LB: not on the flood risk listSE18 3LD: not on the flood risk listSE18 3LE: not on the flood risk listSE18 3LF: not on the flood risk listSE18 3LG: not on the flood risk listSE18 3LH: not on the flood risk listSE18 3LJ: not on the flood risk listSE18 3LL: not on the flood risk listSE18 3LN: not on the flood risk listSE18 3LP: not on the flood risk listSE18 3LQ: not on the flood risk listSE18 3LW: not on the flood risk listSE18 3LY: not on the flood risk listSE18 3LZ: not on the flood risk listSE18 3NA: not on the flood risk listSE18 3NB: not on the flood risk listSE18 3ND: not on the flood risk listSE18 3NE: not on the flood risk listSE18 3NF: not on the flood risk listSE18 3NG: not on the flood risk listSE18 3NH: not on the flood risk listSE18 3NJ: not on the flood risk listSE18 3NQ: not on the flood risk listSE18 3NR: not on the flood risk listSE18 3NT: not on the flood risk listSE18 3NU: not on the flood risk listSE18 3NX: not on the flood risk listSE18 3NY: not on the flood risk listSE18 3NZ: not on the flood risk listSE18 3PA: not on the flood risk listSE18 3PB: not on the flood risk listSE18 3PD: not on the flood risk listSE18 3PE: not on the flood risk listSE18 3PF: not on the flood risk listSE18 3PG: not on the flood risk listSE18 3PP: not on the flood risk listSE18 3PS: not on the flood risk listSE18 3PU: not on the flood risk listSE18 3PX: not on the flood risk listSE18 3PY: not on the flood risk listSE18 3PZ: not on the flood risk listSE18 3QA: not on the flood risk listSE18 3QB: not on the flood risk listSE18 3QD: not on the flood risk listSE18 3QE: not on the flood risk listSE18 3QF: not on the flood risk listSE18 3QG: not on the flood risk listSE18 3QH: not on the flood risk listSE18 3QJ: not on the flood risk listSE18 3QL: not on the flood risk listSE18 3QN: not on the flood risk listSE18 3QQ: not on the flood risk listSE18 3QT: not on the flood risk listSE18 3QU: not on the flood risk listSE18 3QW: not on the flood risk listSE18 3QX: not on the flood risk listSE18 3QY: not on the flood risk listSE18 3QZ: not on the flood risk listSE18 3RA: not on the flood risk listSE18 3RB: not on the flood risk listSE18 3RD: not on the flood risk listSE18 3RE: not on the flood risk listSE18 3RF: not on the flood risk listSE18 3RG: not on the flood risk listSE18 3RL: not on the flood risk listSE18 3RN: not on the flood risk listSE18 3RP: not on the flood risk listSE18 3RR: not on the flood risk listSE18 3RS: not on the flood risk listSE18 3RT: not on the flood risk listSE18 3RU: not on the flood risk listSE18 3RW: not on the flood risk listSE18 3RX: not on the flood risk listSE18 3RY: not on the flood risk listSE18 3RZ: not on the flood risk listSE18 3SA: not on the flood risk listSE18 3SB: not on the flood risk listSE18 3SG: not on the flood risk listSE18 3SH: not on the flood risk listSE18 3SJ: not on the flood risk listSE18 3SL: not on the flood risk listSE18 3SN: not on the flood risk listSE18 3SP: not on the flood risk listSE18 3SQ: not on the flood risk listSE18 3SR: not on the flood risk listSE18 3ST: not on the flood risk listSE18 3SU: not on the flood risk listSE18 3SW: not on the flood risk listSE18 3SY: not on the flood risk listSE18 3SZ: not on the flood risk listSE18 3TA: not on the flood risk listSE18 3TB: not on the flood risk listSE18 3TE: not on the flood risk listSE18 3TF: not on the flood risk listSE18 3TG: not on the flood risk listSE18 3TN: not on the flood risk listSE18 3TP: not on the flood risk listSE18 3TQ: not on the flood risk listSE18 3TR: not on the flood risk listSE18 3TS: not on the flood risk listSE18 3TT: not on the flood risk listSE18 3TU: not on the flood risk listSE18 3TX: not on the flood risk listSE18 3TY: not on the flood risk listSE18 3TZ: not on the flood risk listSE18 3UA: not on the flood risk listSE18 3UB: not on the flood risk listSE18 3UD: not on the flood risk listSE18 3UE: not on the flood risk listSE18 3UG: not on the flood risk listSE18 3UQ: not on the flood risk listSE18 3EY: very low flood risk only Shooters Hill Map of every postcode in the SE18 3 sector, by flood risk Of the 194 postcodes in the SE18 3 sector that ONS places, 1 are at very low risk only and 193 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Shooters Hill. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Shooters Hill
  • 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: 1
  • Not on the at-risk list: 193

Of the 194 postcodes in the SE18 3 sector that ONS places, 1 are at very low risk only and 193 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

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.

SE18 3ZW

What do homes sell for in SE18 3?

Homes in SE18 3 sold for a typical £500,000 in the 12 months to August 2026, across 69 sales, up 3.4% on the 12 months before, HM Land Registry's figures show.

£500,000 typical price, the 12 months to August 2026
£483,500 12 months to August 2025
▲ up 3.4% on the 12 months before
  • Detached 1 sale, too few to price
  • Semi-detached £537,750 8 sales
  • Terraced £562,500 37 sales
  • Flat or maisonette £300,000 23 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 SE18 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 SE18 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.

SE18 3AASE18 3ABSE18 3ADSE18 3AESE18 3AFSE18 3AGSE18 3AHSE18 3ALSE18 3ANSE18 3APSE18 3AQSE18 3ASSE18 3ATSE18 3AUSE18 3BASE18 3BESE18 3BFSE18 3BGSE18 3BNSE18 3BPSE18 3BQSE18 3BSSE18 3BTSE18 3BUSE18 3BXSE18 3BYSE18 3BZSE18 3DASE18 3DBSE18 3DDSE18 3DESE18 3DFSE18 3DHSE18 3DJSE18 3DLSE18 3DNSE18 3DPSE18 3DQSE18 3DRSE18 3DSSE18 3DTSE18 3DUSE18 3DYSE18 3DZSE18 3EASE18 3EBSE18 3EDSE18 3EESE18 3EFSE18 3EGSE18 3EPSE18 3ERSE18 3ESSE18 3EUSE18 3EWSE18 3EXSE18 3EYSE18 3EZSE18 3HASE18 3HBSE18 3HFSE18 3HGSE18 3HPSE18 3HQSE18 3HUSE18 3HWSE18 3HYSE18 3JASE18 3JBSE18 3JESE18 3JFSE18 3JHSE18 3JJSE18 3JLSE18 3JNSE18 3JQSE18 3JWSE18 3JXSE18 3JYSE18 3JZSE18 3LASE18 3LBSE18 3LDSE18 3LESE18 3LFSE18 3LGSE18 3LHSE18 3LJSE18 3LLSE18 3LNSE18 3LPSE18 3LQSE18 3LWSE18 3LYSE18 3LZSE18 3NASE18 3NBSE18 3NDSE18 3NESE18 3NFSE18 3NGSE18 3NHSE18 3NJSE18 3NQSE18 3NRSE18 3NTSE18 3NUSE18 3NXSE18 3NYSE18 3NZSE18 3PASE18 3PBSE18 3PDSE18 3PESE18 3PFSE18 3PGSE18 3PPSE18 3PSSE18 3PUSE18 3PXSE18 3PYSE18 3PZSE18 3QASE18 3QBSE18 3QDSE18 3QESE18 3QFSE18 3QGSE18 3QHSE18 3QJSE18 3QLSE18 3QNSE18 3QQSE18 3QTSE18 3QUSE18 3QWSE18 3QXSE18 3QYSE18 3QZSE18 3RASE18 3RBSE18 3RDSE18 3RESE18 3RFSE18 3RGSE18 3RLSE18 3RNSE18 3RPSE18 3RRSE18 3RSSE18 3RTSE18 3RUSE18 3RWSE18 3RXSE18 3RYSE18 3RZSE18 3SASE18 3SBSE18 3SGSE18 3SHSE18 3SJSE18 3SLSE18 3SNSE18 3SPSE18 3SQSE18 3SRSE18 3STSE18 3SUSE18 3SWSE18 3SYSE18 3SZSE18 3TASE18 3TBSE18 3TESE18 3TFSE18 3TGSE18 3TNSE18 3TPSE18 3TQSE18 3TRSE18 3TSSE18 3TTSE18 3TUSE18 3TWSE18 3TXSE18 3TYSE18 3TZSE18 3UASE18 3UBSE18 3UDSE18 3UESE18 3UGSE18 3UQSE18 3ZW

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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