CM98 1 postcode sector in the CM98 district

CM98 1 is a sector of the CM98 district: every postcode that starts CM98 1. It has 19 postcodes in use, 19 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 CM98 1 sector, and which are new since 2020

Map of every postcode in the CM98 1 sector, by new since 2020 Of the 19 postcodes in the CM98 1 sector that ONS places, 19 were in use before 2020. Places named: Chelmer Village and Beaulieu Park. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A138 CM98 1AA: before 2020CM98 1AY: before 2020 Chelmer Village and Beaulieu Park Map of every postcode in the CM98 1 sector, by new since 2020 Of the 19 postcodes in the CM98 1 sector that ONS places, 19 were in use before 2020. Places named: Chelmer Village and Beaulieu Park. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A138A12 Chelmer Village and Beaulieu Park
  • New since 2020: 0
  • In use before 2020: 19

Of the 19 postcodes in the CM98 1 sector that ONS places, 19 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. 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

Postcodes in CM98 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.

CM98 1AACM98 1ABCM98 1ADCM98 1AECM98 1AFCM98 1AHCM98 1AJCM98 1ALCM98 1ANCM98 1APCM98 1AQCM98 1ARCM98 1ATCM98 1AUCM98 1AWCM98 1AXCM98 1AYCM98 1AZCM98 1BA

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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