CB23 1 postcode sector in the CB23 district

CB23 1 is a sector of the CB23 district: every postcode that starts CB23 1. It has 75 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 1 sector, and which are new since 2020

Map of every postcode in the CB23 1 sector, by new since 2020 Of the 75 postcodes in the CB23 1 sector that ONS places, 4 are new since 2020 and 71 were in use before 2020. Places named: Harston & Comberton, Barrington. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. CB23 1AA: before 2020CB23 1AB: before 2020CB23 1AD: before 2020CB23 1EN: before 2020CB23 1ER: before 2020CB23 1ES: before 2020CB23 1ET: before 2020CB23 1EU: before 2020CB23 1EW: before 2020CB23 1EX: before 2020CB23 1EY: before 2020CB23 1EZ: before 2020CB23 1HA: before 2020CB23 1HB: before 2020CB23 1HD: before 2020CB23 1HE: before 2020CB23 1HF: before 2020CB23 1HG: before 2020CB23 1HH: before 2020CB23 1HJ: before 2020CB23 1HL: before 2020CB23 1HN: before 2020CB23 1HP: before 2020CB23 1HQ: before 2020CB23 1HR: before 2020CB23 1HT: before 2020CB23 1HU: before 2020CB23 1HW: before 2020CB23 1JA: before 2020CB23 1JB: before 2020CB23 1JD: before 2020CB23 1JE: before 2020CB23 1JF: before 2020CB23 1JG: before 2020CB23 1JH: before 2020CB23 1JJ: before 2020CB23 1JL: before 2020CB23 1JN: before 2020CB23 1JP: before 2020CB23 1JQ: before 2020CB23 1JR: before 2020CB23 1JS: before 2020CB23 1JT: before 2020CB23 1JU: before 2020CB23 1JW: before 2020CB23 1JX: before 2020CB23 1JZ: before 2020CB23 1LD: before 2020CB23 1LE: before 2020CB23 1LF: before 2020CB23 1LG: before 2020CB23 1LH: before 2020CB23 1LL: before 2020CB23 1LN: before 2020CB23 1LP: before 2020CB23 1LQ: before 2020CB23 1LR: before 2020CB23 1LS: before 2020CB23 1LT: before 2020CB23 1LU: before 2020CB23 1LW: before 2020CB23 1LX: before 2020CB23 1LY: before 2020CB23 1LZ: before 2020CB23 1NA: before 2020CB23 1NB: before 2020CB23 1ND: before 2020CB23 1NF: before 2020CB23 1YL: before 2020CB23 1YU: before 2020CB23 1AE: new since 2020CB23 1AF: new since 2020CB23 1AG: new since 2020CB23 1WX: new since 2020 Harston & CombertonBarrington Map of every postcode in the CB23 1 sector, by new since 2020 Of the 75 postcodes in the CB23 1 sector that ONS places, 4 are new since 2020 and 71 were in use before 2020. Places named: Harston & Comberton, Barrington. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. Harston & CombertonBarrington
  • New since 2020: 4
  • In use before 2020: 71

Of the 75 postcodes in the CB23 1 sector that ONS places, 4 are new since 2020 and 71 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 4 newest postcodes

CB23 1AGSeptember 2024CB23 1WXAugust 2024CB23 1AFMarch 2021CB23 1AEFebruary 2021

What do homes sell for in CB23 1?

Homes in CB23 1 sold for a typical £492,000 in the 12 months to August 2026, across 21 sales, down 18% on the 12 months before, HM Land Registry's figures show.

£492,000 typical price, the 12 months to August 2026
£600,000 12 months to August 2025
▼ down 18% on the 12 months before
  • Detached £687,500 8 sales
  • Semi-detached £447,500 8 sales
  • Terraced £300,000 5 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 CB23 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 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 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.

CB23 1AACB23 1ABCB23 1ADCB23 1AECB23 1AFCB23 1AGCB23 1ENCB23 1ERCB23 1ESCB23 1ETCB23 1EUCB23 1EWCB23 1EXCB23 1EYCB23 1EZCB23 1HACB23 1HBCB23 1HDCB23 1HECB23 1HFCB23 1HGCB23 1HHCB23 1HJCB23 1HLCB23 1HNCB23 1HPCB23 1HQCB23 1HRCB23 1HTCB23 1HUCB23 1HWCB23 1JACB23 1JBCB23 1JDCB23 1JECB23 1JFCB23 1JGCB23 1JHCB23 1JJCB23 1JLCB23 1JNCB23 1JPCB23 1JQCB23 1JRCB23 1JSCB23 1JTCB23 1JUCB23 1JWCB23 1JXCB23 1JZCB23 1LBCB23 1LDCB23 1LECB23 1LFCB23 1LGCB23 1LHCB23 1LLCB23 1LNCB23 1LPCB23 1LQCB23 1LRCB23 1LSCB23 1LTCB23 1LUCB23 1LWCB23 1LXCB23 1LYCB23 1LZCB23 1NACB23 1NBCB23 1NDCB23 1NFCB23 1WXCB23 1YLCB23 1YU

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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