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, by flood risk

Map of every postcode in the CB23 1 sector, by flood risk Of the 75 postcodes in the CB23 1 sector that ONS places, 1 are at medium risk at worst, 1 are at low risk at worst and 73 are not on the Environment Agency's at-risk list. Places named: Harston & Comberton, Barrington. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. CB23 1AA: not on the flood risk listCB23 1AB: not on the flood risk listCB23 1AD: not on the flood risk listCB23 1AE: not on the flood risk listCB23 1AF: not on the flood risk listCB23 1AG: not on the flood risk listCB23 1EN: not on the flood risk listCB23 1ER: not on the flood risk listCB23 1ES: not on the flood risk listCB23 1ET: not on the flood risk listCB23 1EU: not on the flood risk listCB23 1EW: not on the flood risk listCB23 1EX: not on the flood risk listCB23 1EY: not on the flood risk listCB23 1EZ: not on the flood risk listCB23 1HA: not on the flood risk listCB23 1HB: not on the flood risk listCB23 1HD: not on the flood risk listCB23 1HE: not on the flood risk listCB23 1HF: not on the flood risk listCB23 1HG: not on the flood risk listCB23 1HH: not on the flood risk listCB23 1HJ: not on the flood risk listCB23 1HL: not on the flood risk listCB23 1HN: not on the flood risk listCB23 1HP: not on the flood risk listCB23 1HQ: not on the flood risk listCB23 1HR: not on the flood risk listCB23 1HU: not on the flood risk listCB23 1HW: not on the flood risk listCB23 1JA: not on the flood risk listCB23 1JB: not on the flood risk listCB23 1JD: not on the flood risk listCB23 1JE: not on the flood risk listCB23 1JF: not on the flood risk listCB23 1JG: not on the flood risk listCB23 1JH: not on the flood risk listCB23 1JJ: not on the flood risk listCB23 1JL: not on the flood risk listCB23 1JN: not on the flood risk listCB23 1JP: not on the flood risk listCB23 1JQ: not on the flood risk listCB23 1JR: not on the flood risk listCB23 1JS: not on the flood risk listCB23 1JT: not on the flood risk listCB23 1JU: not on the flood risk listCB23 1JW: not on the flood risk listCB23 1JX: not on the flood risk listCB23 1JZ: not on the flood risk listCB23 1LD: not on the flood risk listCB23 1LE: not on the flood risk listCB23 1LF: not on the flood risk listCB23 1LG: not on the flood risk listCB23 1LH: not on the flood risk listCB23 1LL: not on the flood risk listCB23 1LP: not on the flood risk listCB23 1LQ: not on the flood risk listCB23 1LR: not on the flood risk listCB23 1LS: not on the flood risk listCB23 1LT: not on the flood risk listCB23 1LU: not on the flood risk listCB23 1LW: not on the flood risk listCB23 1LX: not on the flood risk listCB23 1LY: not on the flood risk listCB23 1LZ: not on the flood risk listCB23 1NA: not on the flood risk listCB23 1NB: not on the flood risk listCB23 1ND: not on the flood risk listCB23 1NF: not on the flood risk listCB23 1WX: not on the flood risk listCB23 1YL: not on the flood risk listCB23 1YU: not on the flood risk listCB23 1LN: low flood risk at worstCB23 1HT: medium flood risk at worst Harston & CombertonBarrington Map of every postcode in the CB23 1 sector, by flood risk Of the 75 postcodes in the CB23 1 sector that ONS places, 1 are at medium risk at worst, 1 are at low risk at worst and 73 are not on the Environment Agency's at-risk list. Places named: Harston & Comberton, Barrington. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. Harston & CombertonBarrington
  • A home or business at high risk: 0
  • At medium risk at worst: 1
  • At low risk at worst: 1
  • At very low risk only: 0
  • Not on the at-risk list: 73

Of the 75 postcodes in the CB23 1 sector that ONS places, 1 are at medium risk at worst, 1 are at low risk at worst and 73 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

The postcodes at medium risk at worst

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

CB23 1HT1 at medium risk

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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