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, and which are new since 2020

Map of every postcode in the SE18 4 sector, by new since 2020 Of the 157 postcodes in the SE18 4 sector that ONS places, 2 are new since 2020 and 155 were in use before 2020. Places named: Greenwich. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A205 SE18 4AA: before 2020SE18 4AB: before 2020SE18 4AD: before 2020SE18 4AE: before 2020SE18 4AJ: before 2020SE18 4AL: before 2020SE18 4AN: before 2020SE18 4AP: before 2020SE18 4AS: before 2020SE18 4AT: before 2020SE18 4AU: before 2020SE18 4AX: before 2020SE18 4BB: before 2020SE18 4BG: before 2020SE18 4BH: before 2020SE18 4BJ: before 2020SE18 4BN: before 2020SE18 4BP: before 2020SE18 4BQ: before 2020SE18 4BS: before 2020SE18 4BT: before 2020SE18 4BU: before 2020SE18 4BW: before 2020SE18 4BY: before 2020SE18 4DA: before 2020SE18 4DB: before 2020SE18 4DD: before 2020SE18 4DE: before 2020SE18 4DF: before 2020SE18 4DG: before 2020SE18 4DL: before 2020SE18 4DP: before 2020SE18 4DQ: before 2020SE18 4DR: before 2020SE18 4DS: before 2020SE18 4DT: before 2020SE18 4DU: before 2020SE18 4DW: before 2020SE18 4DY: before 2020SE18 4EA: before 2020SE18 4EB: before 2020SE18 4ED: before 2020SE18 4EE: before 2020SE18 4EF: before 2020SE18 4EG: before 2020SE18 4EH: before 2020SE18 4EJ: before 2020SE18 4EL: before 2020SE18 4EN: before 2020SE18 4EP: before 2020SE18 4EQ: before 2020SE18 4ET: before 2020SE18 4EU: before 2020SE18 4EW: before 2020SE18 4EZ: before 2020SE18 4GA: before 2020SE18 4GB: before 2020SE18 4GD: before 2020SE18 4GE: before 2020SE18 4GF: before 2020SE18 4GG: before 2020SE18 4GH: before 2020SE18 4GJ: before 2020SE18 4GL: before 2020SE18 4GN: before 2020SE18 4GP: before 2020SE18 4GQ: before 2020SE18 4GR: before 2020SE18 4GS: before 2020SE18 4GT: before 2020SE18 4HA: before 2020SE18 4HB: before 2020SE18 4HD: before 2020SE18 4HE: before 2020SE18 4HF: before 2020SE18 4HG: before 2020SE18 4HH: before 2020SE18 4HL: before 2020SE18 4HN: before 2020SE18 4HP: before 2020SE18 4HQ: before 2020SE18 4HR: before 2020SE18 4HT: before 2020SE18 4HW: before 2020SE18 4JA: before 2020SE18 4JB: before 2020SE18 4JD: before 2020SE18 4JE: before 2020SE18 4JF: before 2020SE18 4JG: before 2020SE18 4JH: before 2020SE18 4JL: before 2020SE18 4JN: before 2020SE18 4JP: before 2020SE18 4JQ: before 2020SE18 4JR: before 2020SE18 4JS: before 2020SE18 4JT: before 2020SE18 4JU: before 2020SE18 4JW: before 2020SE18 4JX: before 2020SE18 4JY: before 2020SE18 4JZ: before 2020SE18 4LA: before 2020SE18 4LB: before 2020SE18 4LD: before 2020SE18 4LE: before 2020SE18 4LF: before 2020SE18 4LG: before 2020SE18 4LH: before 2020SE18 4LN: before 2020SE18 4LP: before 2020SE18 4LQ: before 2020SE18 4LS: before 2020SE18 4LT: before 2020SE18 4LX: before 2020SE18 4NA: before 2020SE18 4NB: before 2020SE18 4ND: before 2020SE18 4NE: before 2020SE18 4NH: before 2020SE18 4NP: before 2020SE18 4NQ: before 2020SE18 4NZ: before 2020SE18 4PA: before 2020SE18 4PB: before 2020SE18 4PD: before 2020SE18 4PE: before 2020SE18 4PF: before 2020SE18 4PG: before 2020SE18 4PH: before 2020SE18 4PJ: before 2020SE18 4PL: before 2020SE18 4PN: before 2020SE18 4PP: before 2020SE18 4PQ: before 2020SE18 4PR: before 2020SE18 4PS: before 2020SE18 4PT: before 2020SE18 4PU: before 2020SE18 4PW: before 2020SE18 4PX: before 2020SE18 4PY: before 2020SE18 4PZ: before 2020SE18 4QH: before 2020SE18 4AY: new since 2020SE18 4HY: new since 2020 Greenwich Map of every postcode in the SE18 4 sector, by new since 2020 Of the 157 postcodes in the SE18 4 sector that ONS places, 2 are new since 2020 and 155 were in use before 2020. Places named: Greenwich. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Greenwich
  • New since 2020: 2
  • In use before 2020: 155

Of the 157 postcodes in the SE18 4 sector that ONS places, 2 are new since 2020 and 155 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.

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 2 newest postcodes

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.

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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