CM7 3 postcode sector in the CM7 district

CM7 3 is a sector of the CM7 district: every postcode that starts CM7 3. It has 215 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 CM7 3 sector, and which are new since 2020

Map of every postcode in the CM7 3 sector, by new since 2020 Of the 215 postcodes in the CM7 3 sector that ONS places, 7 are new since 2020 and 208 were in use before 2020. Places named: Braintree. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. CM7 3AA: before 2020CM7 3AD: before 2020CM7 3AE: before 2020CM7 3AF: before 2020CM7 3AG: before 2020CM7 3AH: before 2020CM7 3AJ: before 2020CM7 3AL: before 2020CM7 3AN: before 2020CM7 3AP: before 2020CM7 3AQ: before 2020CM7 3AS: before 2020CM7 3AT: before 2020CM7 3BH: before 2020CM7 3BU: before 2020CM7 3BW: before 2020CM7 3BX: before 2020CM7 3BY: before 2020CM7 3BZ: before 2020CM7 3DA: before 2020CM7 3DD: before 2020CM7 3DE: before 2020CM7 3DJ: before 2020CM7 3DP: before 2020CM7 3DQ: before 2020CM7 3DR: before 2020CM7 3DS: before 2020CM7 3DT: before 2020CM7 3DU: before 2020CM7 3DX: before 2020CM7 3DY: before 2020CM7 3DZ: before 2020CM7 3EB: before 2020CM7 3EP: before 2020CM7 3EQ: before 2020CM7 3EX: before 2020CM7 3FA: before 2020CM7 3FB: before 2020CM7 3FE: before 2020CM7 3FF: before 2020CM7 3FP: before 2020CM7 3FW: before 2020CM7 3GA: before 2020CM7 3GB: before 2020CM7 3GE: before 2020CM7 3GX: before 2020CM7 3GY: before 2020CM7 3GZ: before 2020CM7 3HA: before 2020CM7 3HD: before 2020CM7 3HE: before 2020CM7 3HF: before 2020CM7 3HG: before 2020CM7 3HJ: before 2020CM7 3HL: before 2020CM7 3HN: before 2020CM7 3HP: before 2020CM7 3HQ: before 2020CM7 3HR: before 2020CM7 3HS: before 2020CM7 3HT: before 2020CM7 3HW: before 2020CM7 3HX: before 2020CM7 3HY: before 2020CM7 3HZ: before 2020CM7 3JA: before 2020CM7 3JB: before 2020CM7 3JD: before 2020CM7 3JE: before 2020CM7 3JF: before 2020CM7 3JG: before 2020CM7 3JH: before 2020CM7 3JJ: before 2020CM7 3JN: before 2020CM7 3JP: before 2020CM7 3JQ: before 2020CM7 3JR: before 2020CM7 3JS: before 2020CM7 3JT: before 2020CM7 3JU: before 2020CM7 3JW: before 2020CM7 3JX: before 2020CM7 3JY: before 2020CM7 3JZ: before 2020CM7 3LA: before 2020CM7 3LB: before 2020CM7 3LD: before 2020CM7 3LE: before 2020CM7 3LF: before 2020CM7 3LG: before 2020CM7 3LH: before 2020CM7 3LJ: before 2020CM7 3LL: before 2020CM7 3LN: before 2020CM7 3LP: before 2020CM7 3LQ: before 2020CM7 3LR: before 2020CM7 3LS: before 2020CM7 3LT: before 2020CM7 3LU: before 2020CM7 3LW: before 2020CM7 3NA: before 2020CM7 3ND: before 2020CM7 3NN: before 2020CM7 3NP: before 2020CM7 3NQ: before 2020CM7 3NR: before 2020CM7 3NS: before 2020CM7 3NU: before 2020CM7 3NW: before 2020CM7 3NX: before 2020CM7 3NY: before 2020CM7 3NZ: before 2020CM7 3PA: before 2020CM7 3PB: before 2020CM7 3PD: before 2020CM7 3PE: before 2020CM7 3PG: before 2020CM7 3PH: before 2020CM7 3PJ: before 2020CM7 3PL: before 2020CM7 3PN: before 2020CM7 3PP: before 2020CM7 3PQ: before 2020CM7 3PR: before 2020CM7 3PS: before 2020CM7 3PT: before 2020CM7 3PU: before 2020CM7 3PW: before 2020CM7 3PX: before 2020CM7 3PY: before 2020CM7 3PZ: before 2020CM7 3QB: before 2020CM7 3QD: before 2020CM7 3QG: before 2020CM7 3QH: before 2020CM7 3QJ: before 2020CM7 3QL: before 2020CM7 3QN: before 2020CM7 3QP: before 2020CM7 3QQ: before 2020CM7 3QR: before 2020CM7 3QS: before 2020CM7 3QT: before 2020CM7 3QU: before 2020CM7 3QW: before 2020CM7 3QX: before 2020CM7 3QY: before 2020CM7 3QZ: before 2020CM7 3RA: before 2020CM7 3RB: before 2020CM7 3RD: before 2020CM7 3RE: before 2020CM7 3RF: before 2020CM7 3RG: before 2020CM7 3RH: before 2020CM7 3RJ: before 2020CM7 3RL: before 2020CM7 3RN: before 2020CM7 3RP: before 2020CM7 3RQ: before 2020CM7 3RR: before 2020CM7 3RS: before 2020CM7 3RT: before 2020CM7 3RU: before 2020CM7 3RW: before 2020CM7 3RX: before 2020CM7 3RY: before 2020CM7 3RZ: before 2020CM7 3SA: before 2020CM7 3SB: before 2020CM7 3SE: before 2020CM7 3SR: before 2020CM7 3SS: before 2020CM7 3SU: before 2020CM7 3SX: before 2020CM7 3TB: before 2020CM7 3TY: before 2020CM7 3WA: before 2020CM7 3XA: before 2020CM7 3XB: before 2020CM7 3XD: before 2020CM7 3XE: before 2020CM7 3XF: before 2020CM7 3XG: before 2020CM7 3XH: before 2020CM7 3XJ: before 2020CM7 3XL: before 2020CM7 3XN: before 2020CM7 3XP: before 2020CM7 3XQ: before 2020CM7 3XR: before 2020CM7 3XS: before 2020CM7 3XW: before 2020CM7 3XX: before 2020CM7 3XY: before 2020CM7 3XZ: before 2020CM7 3YA: before 2020CM7 3YG: before 2020CM7 3YL: before 2020CM7 3YN: before 2020CM7 3YP: before 2020CM7 3YR: before 2020CM7 3YS: before 2020CM7 3YT: before 2020CM7 3YU: before 2020CM7 3YW: before 2020CM7 3YX: before 2020CM7 3AW: new since 2020CM7 3AX: new since 2020CM7 3AY: new since 2020CM7 3BA: new since 2020CM7 3BD: new since 2020CM7 3BE: new since 2020CM7 3NJ: new since 2020 Braintree Map of every postcode in the CM7 3 sector, by new since 2020 Of the 215 postcodes in the CM7 3 sector that ONS places, 7 are new since 2020 and 208 were in use before 2020. Places named: Braintree. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Braintree
  • New since 2020: 7
  • In use before 2020: 208

Of the 215 postcodes in the CM7 3 sector that ONS places, 7 are new since 2020 and 208 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.

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

CM7 3NJOctober 2025CM7 3BEAugust 2022CM7 3BAFebruary 2022CM7 3BDFebruary 2022CM7 3AYJune 2021

What do homes sell for in CM7 3?

Homes in CM7 3 sold for a typical £270,000 in the 12 months to August 2026, across 133 sales, up 3.4% on the 12 months before, HM Land Registry's figures show.

£270,000 typical price, the 12 months to August 2026
£261,000 12 months to August 2025
▲ up 3.4% on the 12 months before
  • Detached £430,000 13 sales
  • Semi-detached £298,000 32 sales
  • Terraced £274,000 54 sales
  • Flat or maisonette £157,250 34 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 CM7 3. 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 CM7 3

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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