CB23 4 postcode sector in the CB23 district

CB23 4 is a sector of the CB23 district: every postcode that starts CB23 4. It has 62 postcodes in use, 2 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 CB23 4 sector, and which are new since 2020

Map of every postcode in the CB23 4 sector, by new since 2020 Of the 62 postcodes in the CB23 4 sector that ONS places, 1 are new since 2020 and 61 were in use before 2020. Places named: Caxton & Papworth. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A428A14 CB23 4EY: before 2020CB23 4GB: before 2020CB23 4GG: before 2020CB23 4HS: before 2020CB23 4HT: before 2020CB23 4HU: before 2020CB23 4HX: before 2020CB23 4HY: before 2020CB23 4HZ: before 2020CB23 4JA: before 2020CB23 4JB: before 2020CB23 4JD: before 2020CB23 4JE: before 2020CB23 4JF: before 2020CB23 4JG: before 2020CB23 4JH: before 2020CB23 4JJ: before 2020CB23 4JL: before 2020CB23 4JN: before 2020CB23 4JP: before 2020CB23 4JQ: before 2020CB23 4JR: before 2020CB23 4JS: before 2020CB23 4JT: before 2020CB23 4JU: before 2020CB23 4JX: before 2020CB23 4JY: before 2020CB23 4JZ: before 2020CB23 4LA: before 2020CB23 4LB: before 2020CB23 4LJ: before 2020CB23 4LL: before 2020CB23 4LN: before 2020CB23 4LP: before 2020CB23 4LR: before 2020CB23 4LS: before 2020CB23 4LT: before 2020CB23 4LU: before 2020CB23 4LW: before 2020CB23 4LX: before 2020CB23 4LY: before 2020CB23 4LZ: before 2020CB23 4NA: before 2020CB23 4NB: before 2020CB23 4ND: before 2020CB23 4NE: before 2020CB23 4NF: before 2020CB23 4NG: before 2020CB23 4NH: before 2020CB23 4NJ: before 2020CB23 4NL: before 2020CB23 4NN: before 2020CB23 4NP: before 2020CB23 4NQ: before 2020CB23 4NR: before 2020CB23 4NS: before 2020CB23 4NT: before 2020CB23 4NU: before 2020CB23 4NW: before 2020CB23 4WU: before 2020CB23 4AB: new since 2020 Caxton & Papworth Map of every postcode in the CB23 4 sector, by new since 2020 Of the 62 postcodes in the CB23 4 sector that ONS places, 1 are new since 2020 and 61 were in use before 2020. Places named: Caxton & Papworth. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. Caxton & Papworth
  • New since 2020: 1
  • In use before 2020: 61

Of the 62 postcodes in the CB23 4 sector that ONS places, 1 are new since 2020 and 61 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

The newest postcode

CB23 4ABJune 2023

What do homes sell for in CB23 4?

Homes in CB23 4 sold for a typical £350,000 in the 12 months to August 2026, across 7 sales, down 43.8% on the 12 months before, HM Land Registry's figures show.

£350,000 typical price, the 12 months to August 2026
£622,500 12 months to August 2025
▼ down 43.8% on the 12 months before
  • Detached £350,000 5 sales
  • Semi-detached 2 sales, too few to price

Standard sales of homes at market value at the postcodes that start CB23 4. 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 CB23 4

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.

CB23 4ABCB23 4EYCB23 4GBCB23 4GGCB23 4HSCB23 4HTCB23 4HUCB23 4HXCB23 4HYCB23 4HZCB23 4JACB23 4JBCB23 4JDCB23 4JECB23 4JFCB23 4JGCB23 4JHCB23 4JJCB23 4JLCB23 4JNCB23 4JPCB23 4JQCB23 4JRCB23 4JSCB23 4JTCB23 4JUCB23 4JXCB23 4JYCB23 4JZCB23 4LACB23 4LBCB23 4LJCB23 4LLCB23 4LNCB23 4LPCB23 4LRCB23 4LSCB23 4LTCB23 4LUCB23 4LWCB23 4LXCB23 4LYCB23 4LZCB23 4NACB23 4NBCB23 4NDCB23 4NECB23 4NFCB23 4NGCB23 4NHCB23 4NJCB23 4NLCB23 4NNCB23 4NPCB23 4NQCB23 4NRCB23 4NSCB23 4NTCB23 4NUCB23 4NWCB23 4WBCB23 4WU

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.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.