CM23 0 postcode sector in the CM23 district

CM23 0 is a sector of the CM23 district: every postcode that starts CM23 0. It has 45 postcodes in use.

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

Every postcode in the CM23 0 sector, by flood risk

Map of every postcode in the CM23 0 sector, by flood risk Of the 45 postcodes in the CM23 0 sector that ONS places, 45 are not on the Environment Agency's at-risk list. Places named: Bishop's Stortford North. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A120 CM23 0AA: not on the flood risk listCM23 0AB: not on the flood risk listCM23 0AD: not on the flood risk listCM23 0AE: not on the flood risk listCM23 0AF: not on the flood risk listCM23 0AH: not on the flood risk listCM23 0AJ: not on the flood risk listCM23 0AL: not on the flood risk listCM23 0AN: not on the flood risk listCM23 0AP: not on the flood risk listCM23 0AQ: not on the flood risk listCM23 0AR: not on the flood risk listCM23 0AS: not on the flood risk listCM23 0AT: not on the flood risk listCM23 0AU: not on the flood risk listCM23 0AW: not on the flood risk listCM23 0AX: not on the flood risk listCM23 0AZ: not on the flood risk listCM23 0BA: not on the flood risk listCM23 0BB: not on the flood risk listCM23 0BD: not on the flood risk listCM23 0BE: not on the flood risk listCM23 0BF: not on the flood risk listCM23 0BG: not on the flood risk listCM23 0BH: not on the flood risk listCM23 0BJ: not on the flood risk listCM23 0BL: not on the flood risk listCM23 0BN: not on the flood risk listCM23 0BP: not on the flood risk listCM23 0BQ: not on the flood risk listCM23 0BR: not on the flood risk listCM23 0BS: not on the flood risk listCM23 0BT: not on the flood risk listCM23 0BU: not on the flood risk listCM23 0BW: not on the flood risk listCM23 0BZ: not on the flood risk listCM23 0DA: not on the flood risk listCM23 0DG: not on the flood risk listCM23 0DH: not on the flood risk listCM23 0DJ: not on the flood risk listCM23 0DL: not on the flood risk listCM23 0DN: not on the flood risk listCM23 0DP: not on the flood risk listCM23 0DQ: not on the flood risk list Bishop's Stortford North Map of every postcode in the CM23 0 sector, by flood risk Of the 45 postcodes in the CM23 0 sector that ONS places, 45 are not on the Environment Agency's at-risk list. Places named: Bishop's Stortford North. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A120 Bishop's Stortford North
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 45

Of the 45 postcodes in the CM23 0 sector that ONS places, 45 are not on the Environment Agency's at-risk list.

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.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; 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

What do homes sell for in CM23 0?

Homes in CM23 0 sold for a typical £410,498 in the 12 months to August 2026, across 8 sales, down 20.3% on the 12 months before, HM Land Registry's figures show.

£410,498 typical price, the 12 months to August 2026
£515,000 12 months to August 2025
▼ down 20.3% on the 12 months before
  • Detached 4 sales, too few to price
  • Semi-detached 1 sale, too few to price
  • Flat or maisonette 3 sales, too few to price

Standard sales of homes at market value at the postcodes that start CM23 0. 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 CM23 0

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.

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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