RM4 1 postcode sector in the RM4 district

RM4 1 is a sector of the RM4 district: every postcode that starts RM4 1. It has 160 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 RM4 1 sector, and which are new since 2020

Map of every postcode in the RM4 1 sector, by new since 2020 Of the 160 postcodes in the RM4 1 sector that ONS places, 9 are new since 2020 and 151 were in use before 2020. One group of new postcodes is outlined: 5 new postcodes since 2020. One postcode lies beyond the edge and is listed under the map. Places named: Chigwell Row. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. M25M11 RM4 1AA: before 2020RM4 1AB: before 2020RM4 1AD: before 2020RM4 1AF: before 2020RM4 1AH: before 2020RM4 1AJ: before 2020RM4 1AL: before 2020RM4 1AS: before 2020RM4 1AT: before 2020RM4 1AU: before 2020RM4 1AX: before 2020RM4 1BA: before 2020RM4 1BB: before 2020RM4 1BD: before 2020RM4 1BF: before 2020RM4 1BL: before 2020RM4 1BN: before 2020RM4 1BS: before 2020RM4 1BT: before 2020RM4 1BU: before 2020RM4 1BX: before 2020RM4 1BY: before 2020RM4 1DA: before 2020RM4 1DD: before 2020RM4 1DE: before 2020RM4 1DF: before 2020RM4 1DG: before 2020RM4 1DH: before 2020RM4 1DJ: before 2020RM4 1DL: before 2020RM4 1DN: before 2020RM4 1DP: before 2020RM4 1DQ: before 2020RM4 1DR: before 2020RM4 1DS: before 2020RM4 1DU: before 2020RM4 1DW: before 2020RM4 1DY: before 2020RM4 1EE: before 2020RM4 1EF: before 2020RM4 1EG: before 2020RM4 1EH: before 2020RM4 1EJ: before 2020RM4 1EL: before 2020RM4 1EP: before 2020RM4 1ER: before 2020RM4 1ES: before 2020RM4 1ET: before 2020RM4 1EU: before 2020RM4 1EW: before 2020RM4 1EX: before 2020RM4 1HA: before 2020RM4 1HB: before 2020RM4 1HD: before 2020RM4 1HE: before 2020RM4 1HG: before 2020RM4 1HH: before 2020RM4 1HJ: before 2020RM4 1HL: before 2020RM4 1HP: before 2020RM4 1HR: before 2020RM4 1HS: before 2020RM4 1HT: before 2020RM4 1JH: before 2020RM4 1JJ: before 2020RM4 1JL: before 2020RM4 1JP: before 2020RM4 1JR: before 2020RM4 1JS: before 2020RM4 1JT: before 2020RM4 1JU: before 2020RM4 1JX: before 2020RM4 1LA: before 2020RM4 1LB: before 2020RM4 1LD: before 2020RM4 1LE: before 2020RM4 1LT: before 2020RM4 1LU: before 2020RM4 1LX: before 2020RM4 1NA: before 2020RM4 1NB: before 2020RM4 1ND: before 2020RM4 1NH: before 2020RM4 1NJ: before 2020RM4 1NL: before 2020RM4 1NP: before 2020RM4 1NR: before 2020RM4 1PA: before 2020RM4 1PB: before 2020RM4 1PE: before 2020RM4 1PH: before 2020RM4 1PJ: before 2020RM4 1PL: before 2020RM4 1PP: before 2020RM4 1PR: before 2020RM4 1PS: before 2020RM4 1PT: before 2020RM4 1PU: before 2020RM4 1PX: before 2020RM4 1PY: before 2020RM4 1QA: before 2020RM4 1QB: before 2020RM4 1QH: before 2020RM4 1QJ: before 2020RM4 1QL: before 2020RM4 1QP: before 2020RM4 1QR: before 2020RM4 1QS: before 2020RM4 1RD: before 2020RM4 1RH: before 2020RM4 1RP: before 2020RM4 1RR: before 2020RM4 1RS: before 2020RM4 1RT: before 2020RM4 1RX: before 2020RM4 1SJ: before 2020RM4 1SL: before 2020RM4 1SP: before 2020RM4 1ST: before 2020RM4 1TA: before 2020RM4 1TD: before 2020RM4 1TU: before 2020RM4 1TX: before 2020RM4 1UA: before 2020RM4 1UB: before 2020RM4 1UD: before 2020RM4 1UE: before 2020RM4 1UH: before 2020RM4 1UJ: before 2020RM4 1UL: before 2020RM4 1UP: before 2020RM4 1UQ: before 2020RM4 1UT: before 2020RM4 1UX: before 2020RM4 1XA: before 2020RM4 1XH: before 2020RM4 1XL: before 2020RM4 1XP: before 2020RM4 1XS: before 2020RM4 1XT: before 2020RM4 1XU: before 2020RM4 1XX: before 2020RM4 1YA: before 2020RM4 1EY: new since 2020RM4 1FA: new since 2020RM4 1FB: new since 2020RM4 1FD: new since 2020RM4 1FE: new since 2020RM4 1FF: new since 2020RM4 1FG: new since 2020RM4 1FH: new since 2020RM4 1FL: new since 2020 Chigwell Row 5 new postcodes since 2020, outlined: this goes to RM4 1FF, the newest of them5 new postcodes since 2020 Map of every postcode in the RM4 1 sector, by new since 2020 Of the 160 postcodes in the RM4 1 sector that ONS places, 9 are new since 2020 and 151 were in use before 2020. One group of new postcodes is outlined: 5 new postcodes since 2020. One postcode lies beyond the edge and is listed under the map. Places named: Chigwell Row. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A113M11 Chigwell Row 5 new postcodes since 2020, outlined: this goes to RM4 1FF, the newest of them5 new postcodes since 2020
  • New since 2020: 9
  • In use before 2020: 151
  • Outline: where 5 or more new postcodes since 2020 lie together

Of the 160 postcodes in the RM4 1 sector that ONS places, 9 are new since 2020 and 151 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. A dashed outline shows where 5 or more lie within 400 metres of each other. It is not a boundary, and 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 5 newest postcodes

RM4 1FFApril 2025RM4 1FEMarch 2025RM4 1FLOctober 2024RM4 1FHApril 2024RM4 1FDOctober 2023

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.

RM4 1UY

Where the new postcodes lie together

  • 5 new postcodes since 2020, outlined on the map. RM4 1FF, is the newest of them.

What do homes sell for in RM4 1?

Homes in RM4 1 sold for a typical £580,000 in the 12 months to August 2026, across 39 sales, down 11.2% on the 12 months before, HM Land Registry's figures show.

£580,000 typical price, the 12 months to August 2026
£653,000 12 months to August 2025
▼ down 11.2% on the 12 months before
  • Detached £832,500 22 sales
  • Semi-detached £510,000 5 sales
  • Terraced £490,000 11 sales
  • Flat or maisonette 1 sale, too few to price

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 RM4 1. 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 RM4 1

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.

RM4 1AARM4 1ABRM4 1ADRM4 1AFRM4 1AHRM4 1AJRM4 1ALRM4 1APRM4 1ARRM4 1ASRM4 1ATRM4 1AURM4 1AXRM4 1BARM4 1BBRM4 1BDRM4 1BFRM4 1BLRM4 1BNRM4 1BSRM4 1BTRM4 1BURM4 1BXRM4 1BYRM4 1DARM4 1DDRM4 1DERM4 1DFRM4 1DGRM4 1DHRM4 1DJRM4 1DLRM4 1DNRM4 1DPRM4 1DQRM4 1DRRM4 1DSRM4 1DTRM4 1DURM4 1DWRM4 1DYRM4 1EERM4 1EFRM4 1EGRM4 1EHRM4 1EJRM4 1ELRM4 1EPRM4 1ERRM4 1ESRM4 1ETRM4 1EURM4 1EWRM4 1EXRM4 1EYRM4 1FARM4 1FBRM4 1FDRM4 1FERM4 1FFRM4 1FGRM4 1FHRM4 1FLRM4 1HARM4 1HBRM4 1HDRM4 1HERM4 1HGRM4 1HHRM4 1HJRM4 1HLRM4 1HPRM4 1HRRM4 1HSRM4 1HTRM4 1JHRM4 1JJRM4 1JLRM4 1JPRM4 1JRRM4 1JSRM4 1JTRM4 1JURM4 1JXRM4 1LARM4 1LBRM4 1LDRM4 1LERM4 1LTRM4 1LURM4 1LXRM4 1NARM4 1NBRM4 1NDRM4 1NHRM4 1NJRM4 1NLRM4 1NPRM4 1NRRM4 1PARM4 1PBRM4 1PERM4 1PHRM4 1PJRM4 1PLRM4 1PPRM4 1PRRM4 1PSRM4 1PTRM4 1PURM4 1PXRM4 1PYRM4 1QARM4 1QBRM4 1QHRM4 1QJRM4 1QLRM4 1QPRM4 1QRRM4 1QSRM4 1RDRM4 1RHRM4 1RPRM4 1RRRM4 1RSRM4 1RTRM4 1RXRM4 1SJRM4 1SLRM4 1SPRM4 1STRM4 1TARM4 1TDRM4 1TURM4 1TXRM4 1UARM4 1UBRM4 1UDRM4 1UERM4 1UHRM4 1UJRM4 1ULRM4 1UPRM4 1UQRM4 1UTRM4 1UURM4 1UXRM4 1UYRM4 1XARM4 1XBRM4 1XDRM4 1XHRM4 1XJRM4 1XLRM4 1XPRM4 1XSRM4 1XTRM4 1XURM4 1XXRM4 1YA

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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