DA18 4 postcode sector in the DA18 district

DA18 4 is a sector of the DA18 district: every postcode that starts DA18 4. It has 68 postcodes in use, 5 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 DA18 4 sector, by flood risk

Map of every postcode in the DA18 4 sector, by flood risk Of the 68 postcodes in the DA18 4 sector that ONS places, 1 have a home or business at high risk, 6 are at low risk at worst, 60 are at very low risk only and 1 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Thamesmead East. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A2016 DA18 4AA: very low flood risk onlyDA18 4AB: very low flood risk onlyDA18 4AE: very low flood risk onlyDA18 4AF: very low flood risk onlyDA18 4AG: very low flood risk onlyDA18 4AH: very low flood risk onlyDA18 4AJ: very low flood risk onlyDA18 4AL: very low flood risk onlyDA18 4AP: very low flood risk onlyDA18 4AW: very low flood risk onlyDA18 4AX: very low flood risk onlyDA18 4BA: very low flood risk onlyDA18 4BB: very low flood risk onlyDA18 4BD: very low flood risk onlyDA18 4BE: very low flood risk onlyDA18 4BG: very low flood risk onlyDA18 4BH: very low flood risk onlyDA18 4BJ: very low flood risk onlyDA18 4BL: very low flood risk onlyDA18 4BN: very low flood risk onlyDA18 4BP: very low flood risk onlyDA18 4BQ: very low flood risk onlyDA18 4BU: very low flood risk onlyDA18 4BX: very low flood risk onlyDA18 4BY: very low flood risk onlyDA18 4BZ: very low flood risk onlyDA18 4DA: very low flood risk onlyDA18 4DB: very low flood risk onlyDA18 4DD: very low flood risk onlyDA18 4DE: very low flood risk onlyDA18 4DF: very low flood risk onlyDA18 4DG: very low flood risk onlyDA18 4DP: very low flood risk onlyDA18 4DQ: very low flood risk onlyDA18 4DR: very low flood risk onlyDA18 4DS: very low flood risk onlyDA18 4DT: very low flood risk onlyDA18 4DU: very low flood risk onlyDA18 4DW: very low flood risk onlyDA18 4DX: very low flood risk onlyDA18 4DY: very low flood risk onlyDA18 4DZ: very low flood risk onlyDA18 4ED: very low flood risk onlyDA18 4HA: very low flood risk onlyDA18 4HB: very low flood risk onlyDA18 4HE: very low flood risk onlyDA18 4HG: very low flood risk onlyDA18 4HH: very low flood risk onlyDA18 4HJ: very low flood risk onlyDA18 4HN: very low flood risk onlyDA18 4HP: very low flood risk onlyDA18 4HQ: very low flood risk onlyDA18 4HR: very low flood risk onlyDA18 4HS: very low flood risk onlyDA18 4HT: very low flood risk onlyDA18 4HU: very low flood risk onlyDA18 4HW: very low flood risk onlyDA18 4HX: very low flood risk onlyDA18 4HY: very low flood risk onlyDA18 4BS: low flood risk at worstDA18 4DH: low flood risk at worstDA18 4DJ: low flood risk at worstDA18 4DL: low flood risk at worstDA18 4DN: low flood risk at worstDA18 4HD: low flood risk at worstDA18 4AR: high flood risk Thamesmead East Map of every postcode in the DA18 4 sector, by flood risk Of the 68 postcodes in the DA18 4 sector that ONS places, 1 have a home or business at high risk, 6 are at low risk at worst, 60 are at very low risk only and 1 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Thamesmead East. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A2016 Thamesmead East
  • A home or business at high risk: 1
  • At medium risk at worst: 0
  • At low risk at worst: 6
  • At very low risk only: 60
  • Not on the at-risk list: 1

Of the 68 postcodes in the DA18 4 sector that ONS places, 1 have a home or business at high risk, 6 are at low risk at worst, 60 are at very low risk only and 1 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

The postcodes at high risk

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

DA18 4AR1 at high risk

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.

DA18 4YZ

What do homes sell for in DA18 4?

Homes in DA18 4 sold for a typical £270,000 in the 12 months to August 2026, across 6 sales, down 9.2% on the 12 months before, HM Land Registry's figures show.

£270,000 typical price, the 12 months to August 2026
£297,500 12 months to August 2025
▼ down 9.2% on the 12 months before
  • Terraced 3 sales, too few to price
  • Flat or maisonette 3 sales, too few to price

Standard sales of homes at market value at the postcodes that start DA18 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 DA18 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.

DA18 4AADA18 4ABDA18 4AEDA18 4AFDA18 4AGDA18 4AHDA18 4AJDA18 4ALDA18 4APDA18 4ARDA18 4AWDA18 4AXDA18 4BADA18 4BBDA18 4BDDA18 4BEDA18 4BGDA18 4BHDA18 4BJDA18 4BLDA18 4BNDA18 4BPDA18 4BQDA18 4BSDA18 4BTDA18 4BUDA18 4BXDA18 4BYDA18 4BZDA18 4DADA18 4DBDA18 4DDDA18 4DEDA18 4DFDA18 4DGDA18 4DHDA18 4DJDA18 4DLDA18 4DNDA18 4DPDA18 4DQDA18 4DRDA18 4DSDA18 4DTDA18 4DUDA18 4DWDA18 4DXDA18 4DYDA18 4DZDA18 4EDDA18 4HADA18 4HBDA18 4HDDA18 4HEDA18 4HGDA18 4HHDA18 4HJDA18 4HNDA18 4HPDA18 4HQDA18 4HRDA18 4HSDA18 4HTDA18 4HUDA18 4HWDA18 4HXDA18 4HYDA18 4YZ

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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