CB3 1 postcode sector in the CB3 district

CB3 1 is a sector of the CB3 district: every postcode that starts CB3 1. It has 40 postcodes in use.

Not sure what a sector is? UK postcode format explained.

Every postcode in the CB3 1 sector, by flood risk

Map of every postcode in the CB3 1 sector, by flood risk Of the 40 postcodes in the CB3 1 sector that ONS places, 40 are not on the Environment Agency's at-risk list. Places named: Castle, Girton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. M11A1307 CB3 1AA: not on the flood risk listCB3 1AB: not on the flood risk listCB3 1AD: not on the flood risk listCB3 1AE: not on the flood risk listCB3 1AF: not on the flood risk listCB3 1AG: not on the flood risk listCB3 1AQ: not on the flood risk listCB3 1AR: not on the flood risk listCB3 1AS: not on the flood risk listCB3 1AT: not on the flood risk listCB3 1AU: not on the flood risk listCB3 1AW: not on the flood risk listCB3 1AX: not on the flood risk listCB3 1AY: not on the flood risk listCB3 1AZ: not on the flood risk listCB3 1BA: not on the flood risk listCB3 1BB: not on the flood risk listCB3 1BD: not on the flood risk listCB3 1BE: not on the flood risk listCB3 1BF: not on the flood risk listCB3 1BG: not on the flood risk listCB3 1BH: not on the flood risk listCB3 1BJ: not on the flood risk listCB3 1BL: not on the flood risk listCB3 1BQ: not on the flood risk listCB3 1BR: not on the flood risk listCB3 1BS: not on the flood risk listCB3 1BT: not on the flood risk listCB3 1BU: not on the flood risk listCB3 1BW: not on the flood risk listCB3 1BX: not on the flood risk listCB3 1BY: not on the flood risk listCB3 1BZ: not on the flood risk listCB3 1DA: not on the flood risk listCB3 1DB: not on the flood risk listCB3 1SE: not on the flood risk listCB3 1TT: not on the flood risk listCB3 1TU: not on the flood risk listCB3 1TY: not on the flood risk listCB3 1TZ: not on the flood risk list CastleGirton Map of every postcode in the CB3 1 sector, by flood risk Of the 40 postcodes in the CB3 1 sector that ONS places, 40 are not on the Environment Agency's at-risk list. Places named: Castle, Girton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. CastleGirton
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 40

Of the 40 postcodes in the CB3 1 sector that ONS places, 40 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. 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

What do homes sell for in CB3 1?

Homes in CB3 1 sold for a typical £547,450 in the 12 months to August 2026, across 9 sales, down 4.8% on the 12 months before, HM Land Registry's figures show.

£547,450 typical price, the 12 months to August 2026
£574,950 12 months to August 2025
▼ down 4.8% on the 12 months before
  • Flat or maisonette £547,450 9 sales

Standard sales of homes at market value at the postcodes that start CB3 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 CB3 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.

CB3 1AACB3 1ABCB3 1ADCB3 1AECB3 1AFCB3 1AGCB3 1AQCB3 1ARCB3 1ASCB3 1ATCB3 1AUCB3 1AWCB3 1AXCB3 1AYCB3 1AZCB3 1BACB3 1BBCB3 1BDCB3 1BECB3 1BFCB3 1BGCB3 1BHCB3 1BJCB3 1BLCB3 1BQCB3 1BRCB3 1BSCB3 1BTCB3 1BUCB3 1BWCB3 1BXCB3 1BYCB3 1BZCB3 1DACB3 1DBCB3 1SECB3 1TTCB3 1TUCB3 1TYCB3 1TZ

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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