CM23 1 postcode sector in the CM23 district

CM23 1 is a sector of the CM23 district: every postcode that starts CM23 1. It has 137 postcodes in use.

Not sure what a sector is? UK postcode format explained.

Every postcode in the CM23 1 sector, by gigabit broadband

Map of every postcode in the CM23 1 sector, by gigabit broadband Of the 137 postcodes in the CM23 1 sector that ONS places, 21 have no home or business that can get gigabit, 21 have some that can, 84 can all get it and 11 have no Ofcom figure. Places named: Stansted Mountfitchet. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A120 CM23 1BS: no Ofcom figureCM23 1GN: no Ofcom figureCM23 1GP: no Ofcom figureCM23 1GQ: no Ofcom figureCM23 1GR: no Ofcom figureCM23 1GU: no Ofcom figureCM23 1GX: no Ofcom figureCM23 1JU: no Ofcom figureCM23 1AG: gigabit for allCM23 1AH: gigabit for allCM23 1AJ: gigabit for allCM23 1AL: gigabit for allCM23 1AP: gigabit for allCM23 1AR: gigabit for allCM23 1AT: gigabit for allCM23 1AU: gigabit for allCM23 1AW: gigabit for allCM23 1AX: gigabit for allCM23 1AY: gigabit for allCM23 1BL: gigabit for allCM23 1BN: gigabit for allCM23 1BT: gigabit for allCM23 1BW: gigabit for allCM23 1BX: gigabit for allCM23 1DA: gigabit for allCM23 1DB: gigabit for allCM23 1DD: gigabit for allCM23 1DE: gigabit for allCM23 1DF: gigabit for allCM23 1DH: gigabit for allCM23 1DN: gigabit for allCM23 1DR: gigabit for allCM23 1DZ: gigabit for allCM23 1EA: gigabit for allCM23 1EH: gigabit for allCM23 1EL: gigabit for allCM23 1EN: gigabit for allCM23 1EP: gigabit for allCM23 1EQ: gigabit for allCM23 1ER: gigabit for allCM23 1ES: gigabit for allCM23 1ET: gigabit for allCM23 1EU: gigabit for allCM23 1EX: gigabit for allCM23 1EZ: gigabit for allCM23 1FA: gigabit for allCM23 1FD: gigabit for allCM23 1FE: gigabit for allCM23 1FF: gigabit for allCM23 1FG: gigabit for allCM23 1FH: gigabit for allCM23 1FJ: gigabit for allCM23 1FN: gigabit for allCM23 1FP: gigabit for allCM23 1FQ: gigabit for allCM23 1FR: gigabit for allCM23 1FS: gigabit for allCM23 1FU: gigabit for allCM23 1FW: gigabit for allCM23 1FX: gigabit for allCM23 1FY: gigabit for allCM23 1FZ: gigabit for allCM23 1GD: gigabit for allCM23 1GE: gigabit for allCM23 1GF: gigabit for allCM23 1GG: gigabit for allCM23 1GJ: gigabit for allCM23 1GL: gigabit for allCM23 1GS: gigabit for allCM23 1HJ: gigabit for allCM23 1HL: gigabit for allCM23 1HN: gigabit for allCM23 1HP: gigabit for allCM23 1HS: gigabit for allCM23 1HT: gigabit for allCM23 1HU: gigabit for allCM23 1HW: gigabit for allCM23 1HY: gigabit for allCM23 1HZ: gigabit for allCM23 1JA: gigabit for allCM23 1JF: gigabit for allCM23 1AB: some gigabitCM23 1AD: some gigabitCM23 1AE: some gigabitCM23 1AN: some gigabitCM23 1AS: some gigabitCM23 1BB: some gigabitCM23 1BD: some gigabitCM23 1BJ: some gigabitCM23 1BP: some gigabitCM23 1DG: some gigabitCM23 1DJ: some gigabitCM23 1DL: some gigabitCM23 1DP: some gigabitCM23 1DQ: some gigabitCM23 1DS: some gigabitCM23 1DT: some gigabitCM23 1DU: some gigabitCM23 1DX: some gigabitCM23 1EG: some gigabitCM23 1HR: some gigabitCM23 1HX: some gigabitCM23 1AA: no gigabitCM23 1AZ: no gigabitCM23 1BA: no gigabitCM23 1BE: no gigabitCM23 1BG: no gigabitCM23 1BQ: no gigabitCM23 1DY: no gigabitCM23 1EF: no gigabitCM23 1HA: no gigabitCM23 1HB: no gigabitCM23 1HD: no gigabitCM23 1HE: no gigabitCM23 1HG: no gigabitCM23 1HH: no gigabitCM23 1HQ: no gigabitCM23 1JB: no gigabitCM23 1JG: no gigabitCM23 1JH: no gigabitCM23 1JJ: no gigabitCM23 1JL: no gigabitCM23 1JR: no gigabit Stansted Mountfitchet Map of every postcode in the CM23 1 sector, by gigabit broadband Of the 137 postcodes in the CM23 1 sector that ONS places, 21 have no home or business that can get gigabit, 21 have some that can, 84 can all get it and 11 have no Ofcom figure. Places named: Stort Valley, Bishop's Stortford North. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. Stort ValleyBishop's Stortford North
  • No home or business can get gigabit: 21
  • Some can get gigabit: 21
  • Every home and business can get gigabit: 84
  • Ofcom gives no figure: 11

Of the 137 postcodes in the CM23 1 sector that ONS places, 21 have no home or business that can get gigabit, 21 have some that can, 84 can all get it and 11 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.

Postcodes without gigabit

21 postcodes here have no gigabit. These are the 12 first in postcode order.

CM23 1AACM23 1AZCM23 1BACM23 1BECM23 1BGCM23 1BQCM23 1DYCM23 1EFCM23 1HACM23 1HBCM23 1HDCM23 1HE

What do homes sell for in CM23 1?

Homes in CM23 1 sold for a typical £595,000 in the 12 months to September 2026, across 33 sales, HM Land Registry's figures show. The 12 months before gave £547,375 from 62 sales: not a change larger than chance would explain, given which homes happened to sell.

£595,000 typical price, the 12 months to September 2026
£547,375 12 months to September 2025
  • Detached £630,000 22 sales
  • Semi-detached £448,000 5 sales
  • Terraced £470,000 5 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 CM23 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 October 2026.

Postcodes in CM23 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.

CM23 1AACM23 1ABCM23 1ADCM23 1AECM23 1AGCM23 1AHCM23 1AJCM23 1ALCM23 1ANCM23 1APCM23 1ARCM23 1ASCM23 1ATCM23 1AUCM23 1AWCM23 1AXCM23 1AYCM23 1AZCM23 1BACM23 1BBCM23 1BDCM23 1BECM23 1BGCM23 1BJCM23 1BLCM23 1BNCM23 1BPCM23 1BQCM23 1BSCM23 1BTCM23 1BWCM23 1BXCM23 1BZCM23 1DACM23 1DBCM23 1DDCM23 1DECM23 1DFCM23 1DGCM23 1DHCM23 1DJCM23 1DLCM23 1DNCM23 1DPCM23 1DQCM23 1DRCM23 1DSCM23 1DTCM23 1DUCM23 1DWCM23 1DXCM23 1DYCM23 1DZCM23 1EACM23 1EFCM23 1EGCM23 1EHCM23 1EJCM23 1ELCM23 1ENCM23 1EPCM23 1EQCM23 1ERCM23 1ESCM23 1ETCM23 1EUCM23 1EWCM23 1EXCM23 1EYCM23 1EZCM23 1FACM23 1FBCM23 1FDCM23 1FECM23 1FFCM23 1FGCM23 1FHCM23 1FJCM23 1FLCM23 1FNCM23 1FPCM23 1FQCM23 1FRCM23 1FSCM23 1FTCM23 1FUCM23 1FWCM23 1FXCM23 1FYCM23 1FZCM23 1GACM23 1GBCM23 1GDCM23 1GECM23 1GFCM23 1GGCM23 1GHCM23 1GJCM23 1GLCM23 1GNCM23 1GPCM23 1GQCM23 1GRCM23 1GSCM23 1GTCM23 1GUCM23 1GWCM23 1GXCM23 1GYCM23 1HACM23 1HBCM23 1HDCM23 1HECM23 1HGCM23 1HHCM23 1HJCM23 1HLCM23 1HNCM23 1HPCM23 1HQCM23 1HRCM23 1HSCM23 1HTCM23 1HUCM23 1HWCM23 1HXCM23 1HYCM23 1HZCM23 1JACM23 1JBCM23 1JFCM23 1JGCM23 1JHCM23 1JJCM23 1JLCM23 1JRCM23 1JU

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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