RM20 4 postcode sector in the RM20 district

RM20 4 is a sector of the RM20 district: every postcode that starts RM20 4. It has 58 postcodes in use, 2 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 RM20 4 sector, and which are new since 2020

Map of every postcode in the RM20 4 sector, by new since 2020 Of the 58 postcodes in the RM20 4 sector that ONS places, 4 are new since 2020 and 54 were in use before 2020. Places named: West Thurrock & South Stifford. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A126 RM20 4AA: before 2020RM20 4AB: before 2020RM20 4AD: before 2020RM20 4AE: before 2020RM20 4AG: before 2020RM20 4AJ: before 2020RM20 4AL: before 2020RM20 4AN: before 2020RM20 4AP: before 2020RM20 4AQ: before 2020RM20 4AR: before 2020RM20 4AS: before 2020RM20 4AT: before 2020RM20 4AU: before 2020RM20 4AW: before 2020RM20 4AX: before 2020RM20 4AY: before 2020RM20 4BA: before 2020RM20 4BE: before 2020RM20 4BF: before 2020RM20 4BH: before 2020RM20 4BJ: before 2020RM20 4BL: before 2020RM20 4BP: before 2020RM20 4BQ: before 2020RM20 4BS: before 2020RM20 4DB: before 2020RM20 4DN: before 2020RM20 4DP: before 2020RM20 4DR: before 2020RM20 4EH: before 2020RM20 4EL: before 2020RM20 4XB: before 2020RM20 4XE: before 2020RM20 4XG: before 2020RM20 4XJ: before 2020RM20 4XL: before 2020RM20 4XN: before 2020RM20 4XP: before 2020RM20 4XQ: before 2020RM20 4XT: before 2020RM20 4XU: before 2020RM20 4XW: before 2020RM20 4XX: before 2020RM20 4YD: before 2020RM20 4YE: before 2020RM20 4YH: before 2020RM20 4YJ: before 2020RM20 4YL: before 2020RM20 4YP: before 2020RM20 4YR: before 2020RM20 4YT: before 2020RM20 4YY: before 2020RM20 4YZ: before 2020RM20 4BT: new since 2020RM20 4BU: new since 2020RM20 4BW: new since 2020RM20 4BY: new since 2020 West Thurrock & South Stifford Map of every postcode in the RM20 4 sector, by new since 2020 Of the 58 postcodes in the RM20 4 sector that ONS places, 4 are new since 2020 and 54 were in use before 2020. Places named: West Thurrock & South Stifford. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. West Thurrock & South Stifford
  • New since 2020: 4
  • In use before 2020: 54

Of the 58 postcodes in the RM20 4 sector that ONS places, 4 are new since 2020 and 54 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. 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; 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 4 newest postcodes

RM20 4BUFebruary 2021RM20 4BWFebruary 2020RM20 4BTJanuary 2020RM20 4BYJanuary 2020

What do homes sell for in RM20 4?

Homes in RM20 4 sold for a typical £334,000 in the 12 months to August 2026, across 33 sales, up 7.7% on the 12 months before, HM Land Registry's figures show.

£334,000 typical price, the 12 months to August 2026
£310,000 12 months to August 2025
▲ up 7.7% on the 12 months before
  • Semi-detached 2 sales, too few to price
  • Terraced £340,000 21 sales
  • Flat or maisonette £159,000 10 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 RM20 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 RM20 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.

RM20 4AARM20 4ABRM20 4ADRM20 4AERM20 4AGRM20 4AJRM20 4ALRM20 4ANRM20 4APRM20 4AQRM20 4ARRM20 4ASRM20 4ATRM20 4AURM20 4AWRM20 4AXRM20 4AYRM20 4BARM20 4BERM20 4BFRM20 4BHRM20 4BJRM20 4BLRM20 4BPRM20 4BQRM20 4BSRM20 4BTRM20 4BURM20 4BWRM20 4BYRM20 4DBRM20 4DNRM20 4DPRM20 4DRRM20 4EHRM20 4ELRM20 4XBRM20 4XERM20 4XGRM20 4XJRM20 4XLRM20 4XNRM20 4XPRM20 4XQRM20 4XTRM20 4XURM20 4XWRM20 4XXRM20 4YDRM20 4YERM20 4YHRM20 4YJRM20 4YLRM20 4YPRM20 4YRRM20 4YTRM20 4YYRM20 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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