CM3 7 postcode sector in the CM3 district

CM3 7 is a sector of the CM3 district: every postcode that starts CM3 7. It has 25 postcodes in use, one of them a large-user postcode. 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 CM3 7 sector, by gigabit broadband

Map of every postcode in the CM3 7 sector, by gigabit broadband Of the 25 postcodes in the CM3 7 sector that ONS places, 1 have some that can, 23 can all get it and 1 have no Ofcom figure. One postcode lies beyond the edge and is listed under the map. Places named: South Woodham-Chetwood and Collingwood. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. CM3 7AB: gigabit for allCM3 7AD: gigabit for allCM3 7AE: gigabit for allCM3 7AF: gigabit for allCM3 7AG: gigabit for allCM3 7AH: gigabit for allCM3 7AJ: gigabit for allCM3 7AL: gigabit for allCM3 7AN: gigabit for allCM3 7AP: gigabit for allCM3 7AQ: gigabit for allCM3 7AR: gigabit for allCM3 7AS: gigabit for allCM3 7AU: gigabit for allCM3 7AW: gigabit for allCM3 7AY: gigabit for allCM3 7AZ: gigabit for allCM3 7BB: gigabit for allCM3 7BE: gigabit for allCM3 7BF: gigabit for allCM3 7BG: gigabit for allCM3 7BL: gigabit for allCM3 7BR: gigabit for allCM3 7BD: some gigabit South Woodham-Chetwood and Collingwood Map of every postcode in the CM3 7 sector, by gigabit broadband Of the 25 postcodes in the CM3 7 sector that ONS places, 1 have some that can, 23 can all get it and 1 have no Ofcom figure. One postcode lies beyond the edge and is listed under the map. Places named: South Woodham-Chetwood and Collingwood. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. South Woodham-Chetwood and Collingwood
  • No home or business can get gigabit: 0
  • Some can get gigabit: 1
  • Every home and business can get gigabit: 23
  • Ofcom gives no figure: 1

Of the 25 postcodes in the CM3 7 sector that ONS places, 1 have some that can, 23 can all get it and 1 have no Ofcom figure.

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.

Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; Ofcom Connected Nations, Connected Nations, Spring 2026; roads, rivers and built-up areas: Ordnance Survey open maps. 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.

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.

CM3 7AT

What do homes sell for in CM3 7?

Homes in CM3 7 sold for a typical £470,000 in the 12 months to September 2026, across 14 sales, HM Land Registry's figures show. The 12 months before gave £501,000 from 28 sales. With fewer than 30 sales a year, a change can come from which homes happened to sell, so we do not give one.

£470,000 typical price, the 12 months to September 2026
£501,000 12 months to September 2025
  • Detached £542,000 8 sales
  • Terraced £355,000 6 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 CM3 7. 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 October 2026.

Postcodes in CM3 7

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.

CM3 7ABCM3 7ADCM3 7AECM3 7AFCM3 7AGCM3 7AHCM3 7AJCM3 7ALCM3 7ANCM3 7APCM3 7AQCM3 7ARCM3 7ASCM3 7ATCM3 7AUCM3 7AWCM3 7AYCM3 7AZCM3 7BBCM3 7BDCM3 7BECM3 7BFCM3 7BGCM3 7BLCM3 7BR

Source: ONS Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed.

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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Where the facts on this page come from

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.

Licence: Open Government Licence v3.0.

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