CB3 9 postcode sector in the CB3 district

CB3 9 is a sector of the CB3 district: every postcode that starts CB3 9. It has 138 postcodes in use, 20 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 CB3 9 sector, and which are new since 2020

Map of every postcode in the CB3 9 sector, by new since 2020 Of the 138 postcodes in the CB3 9 sector that ONS places, 3 are new since 2020 and 135 were in use before 2020. Places named: Newnham, Harston & Comberton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A603A1134 CB3 9AA: before 2020CB3 9AB: before 2020CB3 9AD: before 2020CB3 9AF: before 2020CB3 9AG: before 2020CB3 9AH: before 2020CB3 9AJ: before 2020CB3 9AL: before 2020CB3 9AN: before 2020CB3 9AP: before 2020CB3 9AQ: before 2020CB3 9AR: before 2020CB3 9AS: before 2020CB3 9AU: before 2020CB3 9AW: before 2020CB3 9AX: before 2020CB3 9AY: before 2020CB3 9BA: before 2020CB3 9BB: before 2020CB3 9BD: before 2020CB3 9BE: before 2020CB3 9BG: before 2020CB3 9BH: before 2020CB3 9BL: before 2020CB3 9BN: before 2020CB3 9BQ: before 2020CB3 9BS: before 2020CB3 9BT: before 2020CB3 9DA: before 2020CB3 9DB: before 2020CB3 9DD: before 2020CB3 9DF: before 2020CB3 9DG: before 2020CB3 9DH: before 2020CB3 9DJ: before 2020CB3 9DL: before 2020CB3 9DN: before 2020CB3 9DP: before 2020CB3 9DQ: before 2020CB3 9DR: before 2020CB3 9DS: before 2020CB3 9DU: before 2020CB3 9DW: before 2020CB3 9DY: before 2020CB3 9DZ: before 2020CB3 9EA: before 2020CB3 9EB: before 2020CB3 9ED: before 2020CB3 9EE: before 2020CB3 9EF: before 2020CB3 9EG: before 2020CB3 9EL: before 2020CB3 9ES: before 2020CB3 9ET: before 2020CB3 9EU: before 2020CB3 9EX: before 2020CB3 9EY: before 2020CB3 9EZ: before 2020CB3 9HA: before 2020CB3 9HB: before 2020CB3 9HD: before 2020CB3 9HE: before 2020CB3 9HF: before 2020CB3 9HG: before 2020CB3 9HH: before 2020CB3 9HJ: before 2020CB3 9HN: before 2020CB3 9HP: before 2020CB3 9HQ: before 2020CB3 9HR: before 2020CB3 9HS: before 2020CB3 9HW: before 2020CB3 9HX: before 2020CB3 9HY: before 2020CB3 9HZ: before 2020CB3 9JA: before 2020CB3 9JB: before 2020CB3 9JD: before 2020CB3 9JE: before 2020CB3 9JF: before 2020CB3 9JG: before 2020CB3 9JH: before 2020CB3 9JJ: before 2020CB3 9JL: before 2020CB3 9JN: before 2020CB3 9JP: before 2020CB3 9JQ: before 2020CB3 9JR: before 2020CB3 9JS: before 2020CB3 9JT: before 2020CB3 9JU: before 2020CB3 9JW: before 2020CB3 9JY: before 2020CB3 9JZ: before 2020CB3 9LA: before 2020CB3 9LB: before 2020CB3 9LE: before 2020CB3 9LF: before 2020CB3 9LG: before 2020CB3 9LH: before 2020CB3 9LL: before 2020CB3 9LN: before 2020CB3 9LP: before 2020CB3 9LQ: before 2020CB3 9LR: before 2020CB3 9LS: before 2020CB3 9LT: before 2020CB3 9LU: before 2020CB3 9LW: before 2020CB3 9LX: before 2020CB3 9LY: before 2020CB3 9NB: before 2020CB3 9ND: before 2020CB3 9NE: before 2020CB3 9NF: before 2020CB3 9NG: before 2020CB3 9NH: before 2020CB3 9NJ: before 2020CB3 9NL: before 2020CB3 9NN: before 2020CB3 9NP: before 2020CB3 9NQ: before 2020CB3 9NR: before 2020CB3 9NS: before 2020CB3 9NT: before 2020CB3 9NU: before 2020CB3 9NW: before 2020CB3 9NX: before 2020CB3 9NY: before 2020CB3 9NZ: before 2020CB3 9PA: before 2020CB3 9QR: before 2020CB3 9BJ: new since 2020CB3 9BU: new since 2020CB3 9BX: new since 2020 NewnhamHarston & Comberton Map of every postcode in the CB3 9 sector, by new since 2020 Of the 138 postcodes in the CB3 9 sector that ONS places, 3 are new since 2020 and 135 were in use before 2020. Places named: Newnham, Harston & Comberton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A1309 NewnhamHarston & Comberton
  • New since 2020: 3
  • In use before 2020: 135

Of the 138 postcodes in the CB3 9 sector that ONS places, 3 are new since 2020 and 135 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 3 newest postcodes

CB3 9BJMay 2026CB3 9BXJanuary 2026CB3 9BUMay 2022

What do homes sell for in CB3 9?

Homes in CB3 9 sold for a typical £1,182,556 in the 12 months to August 2026, across 26 sales, up 21% on the 12 months before, HM Land Registry's figures show.

£1,182,556 typical price, the 12 months to August 2026
£977,500 12 months to August 2025
▲ up 21% on the 12 months before
  • Detached £1,931,000 8 sales
  • Semi-detached 1 sale, too few to price
  • Terraced £1,182,556 12 sales
  • Flat or maisonette £490,000 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 CB3 9. 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 CB3 9

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.

CB3 9AACB3 9ABCB3 9ADCB3 9AFCB3 9AGCB3 9AHCB3 9AJCB3 9ALCB3 9ANCB3 9APCB3 9AQCB3 9ARCB3 9ASCB3 9ATCB3 9AUCB3 9AWCB3 9AXCB3 9AYCB3 9BACB3 9BBCB3 9BDCB3 9BECB3 9BGCB3 9BHCB3 9BJCB3 9BLCB3 9BNCB3 9BQCB3 9BSCB3 9BTCB3 9BUCB3 9BXCB3 9DACB3 9DBCB3 9DDCB3 9DFCB3 9DGCB3 9DHCB3 9DJCB3 9DLCB3 9DNCB3 9DPCB3 9DQCB3 9DRCB3 9DSCB3 9DUCB3 9DWCB3 9DYCB3 9DZCB3 9EACB3 9EBCB3 9EDCB3 9EECB3 9EFCB3 9EGCB3 9ELCB3 9EPCB3 9ESCB3 9ETCB3 9EUCB3 9EXCB3 9EYCB3 9EZCB3 9HACB3 9HBCB3 9HDCB3 9HECB3 9HFCB3 9HGCB3 9HHCB3 9HJCB3 9HNCB3 9HPCB3 9HQCB3 9HRCB3 9HSCB3 9HUCB3 9HWCB3 9HXCB3 9HYCB3 9HZCB3 9JACB3 9JBCB3 9JDCB3 9JECB3 9JFCB3 9JGCB3 9JHCB3 9JJCB3 9JLCB3 9JNCB3 9JPCB3 9JQCB3 9JRCB3 9JSCB3 9JTCB3 9JUCB3 9JWCB3 9JYCB3 9JZCB3 9LACB3 9LBCB3 9LECB3 9LFCB3 9LGCB3 9LHCB3 9LLCB3 9LNCB3 9LPCB3 9LQCB3 9LRCB3 9LSCB3 9LTCB3 9LUCB3 9LWCB3 9LXCB3 9LYCB3 9NBCB3 9NDCB3 9NECB3 9NFCB3 9NGCB3 9NHCB3 9NJCB3 9NLCB3 9NNCB3 9NPCB3 9NQCB3 9NRCB3 9NSCB3 9NTCB3 9NUCB3 9NWCB3 9NXCB3 9NYCB3 9NZCB3 9PACB3 9QR

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.