SE18 4 postcode sector in the SE18 district

SE18 4 is a sector of the SE18 district: every postcode that starts SE18 4. It has 157 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 4 sector, by flood risk

Map of every postcode in the SE18 4 sector, by flood risk Of the 157 postcodes in the SE18 4 sector that ONS places, 157 are not on the Environment Agency's at-risk list. Places named: Greenwich. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A205 SE18 4AA: not on the flood risk listSE18 4AB: not on the flood risk listSE18 4AD: not on the flood risk listSE18 4AE: not on the flood risk listSE18 4AJ: not on the flood risk listSE18 4AL: not on the flood risk listSE18 4AN: not on the flood risk listSE18 4AP: not on the flood risk listSE18 4AS: not on the flood risk listSE18 4AT: not on the flood risk listSE18 4AU: not on the flood risk listSE18 4AX: not on the flood risk listSE18 4AY: not on the flood risk listSE18 4BB: not on the flood risk listSE18 4BG: not on the flood risk listSE18 4BH: not on the flood risk listSE18 4BJ: not on the flood risk listSE18 4BN: not on the flood risk listSE18 4BP: not on the flood risk listSE18 4BQ: not on the flood risk listSE18 4BS: not on the flood risk listSE18 4BT: not on the flood risk listSE18 4BU: not on the flood risk listSE18 4BW: not on the flood risk listSE18 4BY: not on the flood risk listSE18 4DA: not on the flood risk listSE18 4DB: not on the flood risk listSE18 4DD: not on the flood risk listSE18 4DE: not on the flood risk listSE18 4DF: not on the flood risk listSE18 4DG: not on the flood risk listSE18 4DL: not on the flood risk listSE18 4DP: not on the flood risk listSE18 4DQ: not on the flood risk listSE18 4DR: not on the flood risk listSE18 4DS: not on the flood risk listSE18 4DT: not on the flood risk listSE18 4DU: not on the flood risk listSE18 4DW: not on the flood risk listSE18 4DY: not on the flood risk listSE18 4EA: not on the flood risk listSE18 4EB: not on the flood risk listSE18 4ED: not on the flood risk listSE18 4EE: not on the flood risk listSE18 4EF: not on the flood risk listSE18 4EG: not on the flood risk listSE18 4EH: not on the flood risk listSE18 4EJ: not on the flood risk listSE18 4EL: not on the flood risk listSE18 4EN: not on the flood risk listSE18 4EP: not on the flood risk listSE18 4EQ: not on the flood risk listSE18 4ET: not on the flood risk listSE18 4EU: not on the flood risk listSE18 4EW: not on the flood risk listSE18 4EZ: not on the flood risk listSE18 4GA: not on the flood risk listSE18 4GB: not on the flood risk listSE18 4GD: not on the flood risk listSE18 4GE: not on the flood risk listSE18 4GF: not on the flood risk listSE18 4GG: not on the flood risk listSE18 4GH: not on the flood risk listSE18 4GJ: not on the flood risk listSE18 4GL: not on the flood risk listSE18 4GN: not on the flood risk listSE18 4GP: not on the flood risk listSE18 4GQ: not on the flood risk listSE18 4GR: not on the flood risk listSE18 4GS: not on the flood risk listSE18 4GT: not on the flood risk listSE18 4HA: not on the flood risk listSE18 4HB: not on the flood risk listSE18 4HD: not on the flood risk listSE18 4HE: not on the flood risk listSE18 4HF: not on the flood risk listSE18 4HG: not on the flood risk listSE18 4HH: not on the flood risk listSE18 4HL: not on the flood risk listSE18 4HN: not on the flood risk listSE18 4HP: not on the flood risk listSE18 4HQ: not on the flood risk listSE18 4HR: not on the flood risk listSE18 4HT: not on the flood risk listSE18 4HW: not on the flood risk listSE18 4HY: not on the flood risk listSE18 4JA: not on the flood risk listSE18 4JB: not on the flood risk listSE18 4JD: not on the flood risk listSE18 4JE: not on the flood risk listSE18 4JF: not on the flood risk listSE18 4JG: not on the flood risk listSE18 4JH: not on the flood risk listSE18 4JL: not on the flood risk listSE18 4JN: not on the flood risk listSE18 4JP: not on the flood risk listSE18 4JQ: not on the flood risk listSE18 4JR: not on the flood risk listSE18 4JS: not on the flood risk listSE18 4JT: not on the flood risk listSE18 4JU: not on the flood risk listSE18 4JW: not on the flood risk listSE18 4JX: not on the flood risk listSE18 4JY: not on the flood risk listSE18 4JZ: not on the flood risk listSE18 4LA: not on the flood risk listSE18 4LB: not on the flood risk listSE18 4LD: not on the flood risk listSE18 4LE: not on the flood risk listSE18 4LF: not on the flood risk listSE18 4LG: not on the flood risk listSE18 4LH: not on the flood risk listSE18 4LN: not on the flood risk listSE18 4LP: not on the flood risk listSE18 4LQ: not on the flood risk listSE18 4LS: not on the flood risk listSE18 4LT: not on the flood risk listSE18 4LX: not on the flood risk listSE18 4NA: not on the flood risk listSE18 4NB: not on the flood risk listSE18 4ND: not on the flood risk listSE18 4NE: not on the flood risk listSE18 4NH: not on the flood risk listSE18 4NP: not on the flood risk listSE18 4NQ: not on the flood risk listSE18 4NZ: not on the flood risk listSE18 4PA: not on the flood risk listSE18 4PB: not on the flood risk listSE18 4PD: not on the flood risk listSE18 4PE: not on the flood risk listSE18 4PF: not on the flood risk listSE18 4PG: not on the flood risk listSE18 4PH: not on the flood risk listSE18 4PJ: not on the flood risk listSE18 4PL: not on the flood risk listSE18 4PN: not on the flood risk listSE18 4PP: not on the flood risk listSE18 4PQ: not on the flood risk listSE18 4PR: not on the flood risk listSE18 4PS: not on the flood risk listSE18 4PT: not on the flood risk listSE18 4PU: not on the flood risk listSE18 4PW: not on the flood risk listSE18 4PX: not on the flood risk listSE18 4PY: not on the flood risk listSE18 4PZ: not on the flood risk listSE18 4QH: not on the flood risk list Greenwich Map of every postcode in the SE18 4 sector, by flood risk Of the 157 postcodes in the SE18 4 sector that ONS places, 157 are not on the Environment Agency's at-risk list. Places named: Greenwich. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Greenwich
  • 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: 157

Of the 157 postcodes in the SE18 4 sector that ONS places, 157 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

What do homes sell for in SE18 4?

Homes in SE18 4 sold for a typical £330,000 in the 12 months to August 2026, across 41 sales, down 14.9% on the 12 months before, HM Land Registry's figures show.

£330,000 typical price, the 12 months to August 2026
£388,000 12 months to August 2025
▼ down 14.9% on the 12 months before
  • Semi-detached 1 sale, too few to price
  • Terraced £430,000 14 sales
  • Flat or maisonette £259,000 26 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 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 SE18 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.

SE18 4AASE18 4ABSE18 4ADSE18 4AESE18 4AJSE18 4ALSE18 4ANSE18 4APSE18 4ASSE18 4ATSE18 4AUSE18 4AXSE18 4AYSE18 4BBSE18 4BDSE18 4BESE18 4BGSE18 4BHSE18 4BJSE18 4BNSE18 4BPSE18 4BQSE18 4BSSE18 4BTSE18 4BUSE18 4BWSE18 4BYSE18 4DASE18 4DBSE18 4DDSE18 4DESE18 4DFSE18 4DGSE18 4DLSE18 4DPSE18 4DQSE18 4DRSE18 4DSSE18 4DTSE18 4DUSE18 4DWSE18 4DYSE18 4EASE18 4EBSE18 4EDSE18 4EESE18 4EFSE18 4EGSE18 4EHSE18 4EJSE18 4ELSE18 4ENSE18 4EPSE18 4EQSE18 4ETSE18 4EUSE18 4EWSE18 4EZSE18 4GASE18 4GBSE18 4GDSE18 4GESE18 4GFSE18 4GGSE18 4GHSE18 4GJSE18 4GLSE18 4GNSE18 4GPSE18 4GQSE18 4GRSE18 4GSSE18 4GTSE18 4GWSE18 4HASE18 4HBSE18 4HDSE18 4HESE18 4HFSE18 4HGSE18 4HHSE18 4HJSE18 4HLSE18 4HNSE18 4HPSE18 4HQSE18 4HRSE18 4HSSE18 4HTSE18 4HUSE18 4HWSE18 4HXSE18 4HYSE18 4JASE18 4JBSE18 4JDSE18 4JESE18 4JFSE18 4JGSE18 4JHSE18 4JLSE18 4JNSE18 4JPSE18 4JQSE18 4JRSE18 4JSSE18 4JTSE18 4JUSE18 4JWSE18 4JXSE18 4JYSE18 4JZSE18 4LASE18 4LBSE18 4LDSE18 4LESE18 4LFSE18 4LGSE18 4LHSE18 4LNSE18 4LPSE18 4LQSE18 4LSSE18 4LTSE18 4LXSE18 4NASE18 4NBSE18 4NDSE18 4NESE18 4NHSE18 4NPSE18 4NQSE18 4NWSE18 4NZSE18 4PASE18 4PBSE18 4PDSE18 4PESE18 4PFSE18 4PGSE18 4PHSE18 4PJSE18 4PLSE18 4PNSE18 4PPSE18 4PQSE18 4PRSE18 4PSSE18 4PTSE18 4PUSE18 4PWSE18 4PXSE18 4PYSE18 4PZSE18 4QASE18 4QESE18 4QH

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.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.