CB23 3 postcode sector in the CB23 district

CB23 3 is a sector of the CB23 district: every postcode that starts CB23 3. It has 112 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 3 sector, by flood risk

Map of every postcode in the CB23 3 sector, by flood risk Of the 112 postcodes in the CB23 3 sector that ONS places, 4 have a home or business at high risk, 2 are at medium risk at worst, 1 are at low risk at worst and 105 are not on the Environment Agency's at-risk list. Places named: Cambourne, Papworth Everard. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A1198 CB23 3AA: not on the flood risk listCB23 3AB: not on the flood risk listCB23 3AD: not on the flood risk listCB23 3AE: not on the flood risk listCB23 3AF: not on the flood risk listCB23 3AG: not on the flood risk listCB23 3AH: not on the flood risk listCB23 3AJ: not on the flood risk listCB23 3AL: not on the flood risk listCB23 3AN: not on the flood risk listCB23 3AP: not on the flood risk listCB23 3AQ: not on the flood risk listCB23 3AR: not on the flood risk listCB23 3AS: not on the flood risk listCB23 3AT: not on the flood risk listCB23 3AU: not on the flood risk listCB23 3AW: not on the flood risk listCB23 3AX: not on the flood risk listCB23 3AY: not on the flood risk listCB23 3AZ: not on the flood risk listCB23 3BA: not on the flood risk listCB23 3DJ: not on the flood risk listCB23 3DL: not on the flood risk listCB23 3FA: not on the flood risk listCB23 3GJ: not on the flood risk listCB23 3GL: not on the flood risk listCB23 3GN: not on the flood risk listCB23 3GP: not on the flood risk listCB23 3GR: not on the flood risk listCB23 3GS: not on the flood risk listCB23 3GT: not on the flood risk listCB23 3GU: not on the flood risk listCB23 3GX: not on the flood risk listCB23 3GY: not on the flood risk listCB23 3HR: not on the flood risk listCB23 3LE: not on the flood risk listCB23 3LF: not on the flood risk listCB23 3LG: not on the flood risk listCB23 3LH: not on the flood risk listCB23 3NX: not on the flood risk listCB23 3NY: not on the flood risk listCB23 3NZ: not on the flood risk listCB23 3PA: not on the flood risk listCB23 3PB: not on the flood risk listCB23 3PD: not on the flood risk listCB23 3PF: not on the flood risk listCB23 3PG: not on the flood risk listCB23 3PH: not on the flood risk listCB23 3PJ: not on the flood risk listCB23 3PL: not on the flood risk listCB23 3PN: not on the flood risk listCB23 3PP: not on the flood risk listCB23 3PR: not on the flood risk listCB23 3PS: not on the flood risk listCB23 3PT: not on the flood risk listCB23 3PX: not on the flood risk listCB23 3QA: not on the flood risk listCB23 3QH: not on the flood risk listCB23 3QJ: not on the flood risk listCB23 3QL: not on the flood risk listCB23 3QQ: not on the flood risk listCB23 3QW: not on the flood risk listCB23 3QX: not on the flood risk listCB23 3QZ: not on the flood risk listCB23 3RA: not on the flood risk listCB23 3RB: not on the flood risk listCB23 3RD: not on the flood risk listCB23 3RF: not on the flood risk listCB23 3RH: not on the flood risk listCB23 3RN: not on the flood risk listCB23 3RP: not on the flood risk listCB23 3RR: not on the flood risk listCB23 3RS: not on the flood risk listCB23 3RT: not on the flood risk listCB23 3RU: not on the flood risk listCB23 3RW: not on the flood risk listCB23 3RX: not on the flood risk listCB23 3RY: not on the flood risk listCB23 3RZ: not on the flood risk listCB23 3UG: not on the flood risk listCB23 3UH: not on the flood risk listCB23 3UJ: not on the flood risk listCB23 3UL: not on the flood risk listCB23 3UN: not on the flood risk listCB23 3UP: not on the flood risk listCB23 3UQ: not on the flood risk listCB23 3UT: not on the flood risk listCB23 3UU: not on the flood risk listCB23 3UW: not on the flood risk listCB23 3UY: not on the flood risk listCB23 3XH: not on the flood risk listCB23 3XJ: not on the flood risk listCB23 3XL: not on the flood risk listCB23 3XN: not on the flood risk listCB23 3XP: not on the flood risk listCB23 3XQ: not on the flood risk listCB23 3XT: not on the flood risk listCB23 3XW: not on the flood risk listCB23 3XY: not on the flood risk listCB23 3QU: low flood risk at worstCB23 3QN: medium flood risk at worstCB23 3RJ: medium flood risk at worstCB23 3PQ: high flood riskCB23 3PW: high flood riskCB23 3RL: high flood riskCB23 3TH: high flood risk CambournePapworth Everard Map of every postcode in the CB23 3 sector, by flood risk Of the 112 postcodes in the CB23 3 sector that ONS places, 4 have a home or business at high risk, 2 are at medium risk at worst, 1 are at low risk at worst and 105 are not on the Environment Agency's at-risk list. Places named: Papworth Everard. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A428 Papworth Everard
  • A home or business at high risk: 4
  • At medium risk at worst: 2
  • At low risk at worst: 1
  • At very low risk only: 0
  • Not on the at-risk list: 105

Of the 112 postcodes in the CB23 3 sector that ONS places, 4 have a home or business at high risk, 2 are at medium risk at worst, 1 are at low risk at worst and 105 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.

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 high risk

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

CB23 3PQ3 at high riskCB23 3TH3 at high riskCB23 3PW2 at high riskCB23 3RL1 at high risk

What do homes sell for in CB23 3?

Homes in CB23 3 sold for a typical £337,000 in the 12 months to August 2026, across 44 sales, up 3.7% on the 12 months before, HM Land Registry's figures show.

£337,000 typical price, the 12 months to August 2026
£325,000 12 months to August 2025
▲ up 3.7% on the 12 months before
  • Detached £480,000 21 sales
  • Semi-detached £323,500 6 sales
  • Terraced £280,000 9 sales
  • Flat or maisonette £189,000 8 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 3. 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 3

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 3AACB23 3ABCB23 3ADCB23 3AECB23 3AFCB23 3AGCB23 3AHCB23 3AJCB23 3ALCB23 3ANCB23 3APCB23 3AQCB23 3ARCB23 3ASCB23 3ATCB23 3AUCB23 3AWCB23 3AXCB23 3AYCB23 3AZCB23 3BACB23 3DJCB23 3DLCB23 3FACB23 3GJCB23 3GLCB23 3GNCB23 3GPCB23 3GRCB23 3GSCB23 3GTCB23 3GUCB23 3GWCB23 3GXCB23 3GYCB23 3HJCB23 3HRCB23 3HWCB23 3LECB23 3LFCB23 3LGCB23 3LHCB23 3LQCB23 3NXCB23 3NYCB23 3NZCB23 3PACB23 3PBCB23 3PDCB23 3PFCB23 3PGCB23 3PHCB23 3PJCB23 3PLCB23 3PNCB23 3PPCB23 3PQCB23 3PRCB23 3PSCB23 3PTCB23 3PWCB23 3PXCB23 3QACB23 3QHCB23 3QJCB23 3QLCB23 3QNCB23 3QQCB23 3QUCB23 3QWCB23 3QXCB23 3QZCB23 3RACB23 3RBCB23 3RDCB23 3RFCB23 3RHCB23 3RJCB23 3RLCB23 3RNCB23 3RPCB23 3RRCB23 3RSCB23 3RTCB23 3RUCB23 3RWCB23 3RXCB23 3RYCB23 3RZCB23 3THCB23 3UGCB23 3UHCB23 3UJCB23 3ULCB23 3UNCB23 3UPCB23 3UQCB23 3UTCB23 3UUCB23 3UWCB23 3UYCB23 3XHCB23 3XJCB23 3XLCB23 3XNCB23 3XPCB23 3XQCB23 3XTCB23 3XUCB23 3XWCB23 3XYCB23 3YZ

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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