CM6 1 postcode sector in the CM6 district

CM6 1 is a sector of the CM6 district: every postcode that starts CM6 1. It has 378 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 CM6 1 sector, and which are new since 2020

Map of every postcode in the CM6 1 sector, by new since 2020 Of the 378 postcodes in the CM6 1 sector that ONS places, 4 are new since 2020 and 374 were in use before 2020. Places named: Great Dunmow, Great Notley, Broomfield, Rayne. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A120A12A131 CM6 1AB: before 2020CM6 1AF: before 2020CM6 1AG: before 2020CM6 1AJ: before 2020CM6 1AN: before 2020CM6 1AR: before 2020CM6 1AT: before 2020CM6 1AZ: before 2020CM6 1BA: before 2020CM6 1BD: before 2020CM6 1BJ: before 2020CM6 1BP: before 2020CM6 1BS: before 2020CM6 1BX: before 2020CM6 1BY: before 2020CM6 1DA: before 2020CM6 1DB: before 2020CM6 1DD: before 2020CM6 1DE: before 2020CM6 1DF: before 2020CM6 1DL: before 2020CM6 1DN: before 2020CM6 1DP: before 2020CM6 1DX: before 2020CM6 1EA: before 2020CM6 1EB: before 2020CM6 1EJ: before 2020CM6 1EL: before 2020CM6 1EN: before 2020CM6 1ES: before 2020CM6 1EX: before 2020CM6 1EZ: before 2020CM6 1FA: before 2020CM6 1FB: before 2020CM6 1FE: before 2020CM6 1FF: before 2020CM6 1FN: before 2020CM6 1FT: before 2020CM6 1FU: before 2020CM6 1FX: before 2020CM6 1FZ: before 2020CM6 1GE: before 2020CM6 1GF: before 2020CM6 1GG: before 2020CM6 1GJ: before 2020CM6 1GT: before 2020CM6 1GU: before 2020CM6 1GW: before 2020CM6 1GY: before 2020CM6 1HB: before 2020CM6 1HE: before 2020CM6 1HG: before 2020CM6 1HJ: before 2020CM6 1HL: before 2020CM6 1HU: before 2020CM6 1HW: before 2020CM6 1HZ: before 2020CM6 1JA: before 2020CM6 1JB: before 2020CM6 1JD: before 2020CM6 1JE: before 2020CM6 1JF: before 2020CM6 1JG: before 2020CM6 1JH: before 2020CM6 1JJ: before 2020CM6 1JL: before 2020CM6 1JN: before 2020CM6 1JP: before 2020CM6 1JQ: before 2020CM6 1JR: before 2020CM6 1JS: before 2020CM6 1JT: before 2020CM6 1JU: before 2020CM6 1JW: before 2020CM6 1JX: before 2020CM6 1JZ: before 2020CM6 1LA: before 2020CM6 1LB: before 2020CM6 1LD: before 2020CM6 1LE: before 2020CM6 1LF: before 2020CM6 1LG: before 2020CM6 1LH: before 2020CM6 1LL: before 2020CM6 1LP: before 2020CM6 1LS: before 2020CM6 1LT: before 2020CM6 1LU: before 2020CM6 1LW: before 2020CM6 1LZ: before 2020CM6 1NA: before 2020CM6 1NB: before 2020CM6 1ND: before 2020CM6 1NE: before 2020CM6 1NF: before 2020CM6 1NG: before 2020CM6 1NH: before 2020CM6 1NL: before 2020CM6 1NP: before 2020CM6 1NQ: before 2020CM6 1NS: before 2020CM6 1NT: before 2020CM6 1NU: before 2020CM6 1NW: before 2020CM6 1NX: before 2020CM6 1PA: before 2020CM6 1PB: before 2020CM6 1PD: before 2020CM6 1PE: before 2020CM6 1PF: before 2020CM6 1PG: before 2020CM6 1PH: before 2020CM6 1PP: before 2020CM6 1PQ: before 2020CM6 1PR: before 2020CM6 1PS: before 2020CM6 1PT: before 2020CM6 1PZ: before 2020CM6 1QA: before 2020CM6 1QD: before 2020CM6 1QG: before 2020CM6 1QH: before 2020CM6 1QJ: before 2020CM6 1QL: before 2020CM6 1QN: before 2020CM6 1QP: before 2020CM6 1QQ: before 2020CM6 1QR: before 2020CM6 1QS: before 2020CM6 1QT: before 2020CM6 1QW: before 2020CM6 1QX: before 2020CM6 1QY: before 2020CM6 1RB: before 2020CM6 1RD: before 2020CM6 1RE: before 2020CM6 1RF: before 2020CM6 1RG: before 2020CM6 1RH: before 2020CM6 1RJ: before 2020CM6 1RL: before 2020CM6 1RN: before 2020CM6 1RP: before 2020CM6 1RQ: before 2020CM6 1RR: before 2020CM6 1RS: before 2020CM6 1RT: before 2020CM6 1RU: before 2020CM6 1RW: before 2020CM6 1RX: before 2020CM6 1RY: before 2020CM6 1RZ: before 2020CM6 1SA: before 2020CM6 1SE: before 2020CM6 1SG: before 2020CM6 1SH: before 2020CM6 1SJ: before 2020CM6 1SL: before 2020CM6 1SN: before 2020CM6 1SP: before 2020CM6 1SR: before 2020CM6 1SS: before 2020CM6 1ST: before 2020CM6 1SU: before 2020CM6 1SW: before 2020CM6 1TB: before 2020CM6 1TD: before 2020CM6 1TE: before 2020CM6 1TF: before 2020CM6 1TG: before 2020CM6 1TL: before 2020CM6 1TN: before 2020CM6 1TQ: before 2020CM6 1TU: before 2020CM6 1TW: before 2020CM6 1UE: before 2020CM6 1UG: before 2020CM6 1UQ: before 2020CM6 1UY: before 2020CM6 1WF: before 2020CM6 1WG: before 2020CM6 1WS: before 2020CM6 1WT: before 2020CM6 1WU: before 2020CM6 1WY: before 2020CM6 1XG: before 2020CM6 1XN: before 2020CM6 1XQ: before 2020CM6 1XZ: before 2020CM6 1YD: before 2020CM6 1YS: before 2020CM6 1YY: before 2020CM6 1ZT: before 2020CM6 1EP: before 2020CM6 1EW: before 2020CM6 1DH: new since 2020CM6 1EG: new since 2020CM6 1WW: new since 2020CM6 1ZY: new since 2020 Great DunmowGreat NotleyBroomfieldRayne Map of every postcode in the CM6 1 sector, by new since 2020 Of the 378 postcodes in the CM6 1 sector that ONS places, 4 are new since 2020 and 374 were in use before 2020. Places named: Braintree, Great Dunmow, Great Notley. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 5 km. BraintreeGreat DunmowGreat Notley
  • New since 2020: 4
  • In use before 2020: 374

Of the 378 postcodes in the CM6 1 sector that ONS places, 4 are new since 2020 and 374 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 4 newest postcodes

CM6 1EGSeptember 2025CM6 1WWAugust 2025CM6 1ZYJanuary 2025CM6 1DHJanuary 2020

What do homes sell for in CM6 1?

Homes in CM6 1 sold for a typical £425,000 in the 12 months to August 2026, across 161 sales, up 3.7% on the 12 months before, HM Land Registry's figures show.

£425,000 typical price, the 12 months to August 2026
£410,000 12 months to August 2025
▲ up 3.7% on the 12 months before
  • Detached £575,000 69 sales
  • Semi-detached £418,500 31 sales
  • Terraced £345,000 37 sales
  • Flat or maisonette £192,500 24 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 CM6 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 CM6 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.

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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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