CB11 4 postcode sector in the CB11 district

CB11 4 is a sector of the CB11 district: every postcode that starts CB11 4. It has 246 postcodes in use, 6 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 CB11 4 sector, by flood risk

Map of every postcode in the CB11 4 sector, by flood risk Of the 246 postcodes in the CB11 4 sector that ONS places, 7 have a home or business at high risk, 6 are at medium risk at worst, 10 are at low risk at worst, 1 are at very low risk only and 222 are not on the Environment Agency's at-risk list. Places named: Saffron Walden, Newport, Uttlesford. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. M11 CB11 4AA: not on the flood risk listCB11 4AB: not on the flood risk listCB11 4AD: not on the flood risk listCB11 4AE: not on the flood risk listCB11 4AF: not on the flood risk listCB11 4AG: not on the flood risk listCB11 4AH: not on the flood risk listCB11 4AJ: not on the flood risk listCB11 4AL: not on the flood risk listCB11 4AP: not on the flood risk listCB11 4AQ: not on the flood risk listCB11 4AR: not on the flood risk listCB11 4AS: not on the flood risk listCB11 4AT: not on the flood risk listCB11 4AX: not on the flood risk listCB11 4AY: not on the flood risk listCB11 4BA: not on the flood risk listCB11 4BB: not on the flood risk listCB11 4BD: not on the flood risk listCB11 4BE: not on the flood risk listCB11 4BG: not on the flood risk listCB11 4BH: not on the flood risk listCB11 4BJ: not on the flood risk listCB11 4BL: not on the flood risk listCB11 4BN: not on the flood risk listCB11 4BP: not on the flood risk listCB11 4BQ: not on the flood risk listCB11 4BS: not on the flood risk listCB11 4BT: not on the flood risk listCB11 4BU: not on the flood risk listCB11 4BX: not on the flood risk listCB11 4BY: not on the flood risk listCB11 4BZ: not on the flood risk listCB11 4DA: not on the flood risk listCB11 4DB: not on the flood risk listCB11 4DE: not on the flood risk listCB11 4DF: not on the flood risk listCB11 4DG: not on the flood risk listCB11 4DH: not on the flood risk listCB11 4DJ: not on the flood risk listCB11 4DN: not on the flood risk listCB11 4DP: not on the flood risk listCB11 4DR: not on the flood risk listCB11 4DS: not on the flood risk listCB11 4DT: not on the flood risk listCB11 4DU: not on the flood risk listCB11 4DX: not on the flood risk listCB11 4DY: not on the flood risk listCB11 4DZ: not on the flood risk listCB11 4EA: not on the flood risk listCB11 4EB: not on the flood risk listCB11 4ED: not on the flood risk listCB11 4EG: not on the flood risk listCB11 4EH: not on the flood risk listCB11 4EJ: not on the flood risk listCB11 4EQ: not on the flood risk listCB11 4ER: not on the flood risk listCB11 4ET: not on the flood risk listCB11 4EX: not on the flood risk listCB11 4FB: not on the flood risk listCB11 4FD: not on the flood risk listCB11 4FE: not on the flood risk listCB11 4FF: not on the flood risk listCB11 4FG: not on the flood risk listCB11 4FS: not on the flood risk listCB11 4FU: not on the flood risk listCB11 4FZ: not on the flood risk listCB11 4GA: not on the flood risk listCB11 4GD: not on the flood risk listCB11 4GL: not on the flood risk listCB11 4GP: not on the flood risk listCB11 4GR: not on the flood risk listCB11 4GS: not on the flood risk listCB11 4GT: not on the flood risk listCB11 4GU: not on the flood risk listCB11 4GW: not on the flood risk listCB11 4GX: not on the flood risk listCB11 4GY: not on the flood risk listCB11 4GZ: not on the flood risk listCB11 4HA: not on the flood risk listCB11 4HD: not on the flood risk listCB11 4HE: not on the flood risk listCB11 4HF: not on the flood risk listCB11 4HG: not on the flood risk listCB11 4HH: not on the flood risk listCB11 4HP: not on the flood risk listCB11 4HQ: not on the flood risk listCB11 4JA: not on the flood risk listCB11 4JE: not on the flood risk listCB11 4JF: not on the flood risk listCB11 4JH: not on the flood risk listCB11 4JJ: not on the flood risk listCB11 4JL: not on the flood risk listCB11 4JN: not on the flood risk listCB11 4JP: not on the flood risk listCB11 4JQ: not on the flood risk listCB11 4JR: not on the flood risk listCB11 4JW: not on the flood risk listCB11 4JY: not on the flood risk listCB11 4JZ: not on the flood risk listCB11 4LA: not on the flood risk listCB11 4LB: not on the flood risk listCB11 4LH: not on the flood risk listCB11 4LN: not on the flood risk listCB11 4LQ: not on the flood risk listCB11 4LT: not on the flood risk listCB11 4LZ: not on the flood risk listCB11 4NA: not on the flood risk listCB11 4NB: not on the flood risk listCB11 4ND: not on the flood risk listCB11 4NE: not on the flood risk listCB11 4NF: not on the flood risk listCB11 4NG: not on the flood risk listCB11 4NH: not on the flood risk listCB11 4NJ: not on the flood risk listCB11 4NL: not on the flood risk listCB11 4NN: not on the flood risk listCB11 4NQ: not on the flood risk listCB11 4NS: not on the flood risk listCB11 4NW: not on the flood risk listCB11 4PF: not on the flood risk listCB11 4PG: not on the flood risk listCB11 4PH: not on the flood risk listCB11 4PJ: not on the flood risk listCB11 4PL: not on the flood risk listCB11 4PN: not on the flood risk listCB11 4PP: not on the flood risk listCB11 4PQ: not on the flood risk listCB11 4PR: not on the flood risk listCB11 4PT: not on the flood risk listCB11 4PW: not on the flood risk listCB11 4PX: not on the flood risk listCB11 4PY: not on the flood risk listCB11 4QN: not on the flood risk listCB11 4QS: not on the flood risk listCB11 4QT: not on the flood risk listCB11 4QU: not on the flood risk listCB11 4QY: not on the flood risk listCB11 4RL: not on the flood risk listCB11 4RN: not on the flood risk listCB11 4RP: not on the flood risk listCB11 4RS: not on the flood risk listCB11 4RT: not on the flood risk listCB11 4RU: not on the flood risk listCB11 4RX: not on the flood risk listCB11 4RY: not on the flood risk listCB11 4RZ: not on the flood risk listCB11 4SA: not on the flood risk listCB11 4SD: not on the flood risk listCB11 4SE: not on the flood risk listCB11 4SF: not on the flood risk listCB11 4SG: not on the flood risk listCB11 4SH: not on the flood risk listCB11 4SJ: not on the flood risk listCB11 4SL: not on the flood risk listCB11 4SN: not on the flood risk listCB11 4SQ: not on the flood risk listCB11 4TA: not on the flood risk listCB11 4TD: not on the flood risk listCB11 4TF: not on the flood risk listCB11 4TG: not on the flood risk listCB11 4TH: not on the flood risk listCB11 4TJ: not on the flood risk listCB11 4TL: not on the flood risk listCB11 4TP: not on the flood risk listCB11 4TQ: not on the flood risk listCB11 4TU: not on the flood risk listCB11 4TW: not on the flood risk listCB11 4TX: not on the flood risk listCB11 4TY: not on the flood risk listCB11 4UH: not on the flood risk listCB11 4UN: not on the flood risk listCB11 4UP: not on the flood risk listCB11 4UR: not on the flood risk listCB11 4US: not on the flood risk listCB11 4UT: not on the flood risk listCB11 4UU: not on the flood risk listCB11 4UW: not on the flood risk listCB11 4UX: not on the flood risk listCB11 4UZ: not on the flood risk listCB11 4XA: not on the flood risk listCB11 4XE: not on the flood risk listCB11 4XF: not on the flood risk listCB11 4XG: not on the flood risk listCB11 4XJ: not on the flood risk listCB11 4XL: not on the flood risk listCB11 4XN: not on the flood risk listCB11 4ZH: not on the flood risk listCB11 4PE: very low flood risk onlyCB11 4EY: low flood risk at worstCB11 4HJ: low flood risk at worstCB11 4JX: low flood risk at worstCB11 4PU: low flood risk at worstCB11 4QL: low flood risk at worstCB11 4QR: low flood risk at worstCB11 4QW: low flood risk at worstCB11 4QX: low flood risk at worstCB11 4SB: low flood risk at worstCB11 4UJ: low flood risk at worstCB11 4EZ: medium flood risk at worstCB11 4JT: medium flood risk at worstCB11 4JU: medium flood risk at worstCB11 4LU: medium flood risk at worstCB11 4QP: medium flood risk at worstCB11 4XB: medium flood risk at worstCB11 4HB: high flood riskCB11 4JB: high flood riskCB11 4JG: high flood riskCB11 4JS: high flood riskCB11 4TR: high flood riskCB11 4UL: high flood riskCB11 4UY: high flood risk Saffron WaldenNewport, Uttlesford Map of every postcode in the CB11 4 sector, by flood risk Of the 246 postcodes in the CB11 4 sector that ONS places, 7 have a home or business at high risk, 6 are at medium risk at worst, 10 are at low risk at worst, 1 are at very low risk only and 222 are not on the Environment Agency's at-risk list. Places named: Saffron Walden, Newport, Uttlesford. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. Saffron WaldenNewport, Uttlesford
  • A home or business at high risk: 7
  • At medium risk at worst: 6
  • At low risk at worst: 10
  • At very low risk only: 1
  • Not on the at-risk list: 222

Of the 246 postcodes in the CB11 4 sector that ONS places, 7 have a home or business at high risk, 6 are at medium risk at worst, 10 are at low risk at worst, 1 are at very low risk only and 222 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.

CB11 4JG4 at high riskCB11 4HB4 at high riskCB11 4TR4 at high riskCB11 4UY2 at high riskCB11 4JB2 at high riskCB11 4JS1 at high riskCB11 4UL1 at high risk

What do homes sell for in CB11 4?

Homes in CB11 4 sold for a typical £467,500 in the 12 months to August 2026, across 90 sales, down 17.3% on the 12 months before, HM Land Registry's figures show.

£467,500 typical price, the 12 months to August 2026
£564,995 12 months to August 2025
▼ down 17.3% on the 12 months before
  • Detached £705,000 38 sales
  • Semi-detached £415,000 23 sales
  • Terraced £330,000 23 sales
  • Flat or maisonette £262,500 6 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 CB11 4. 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 CB11 4

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.

CB11 4AACB11 4ABCB11 4ADCB11 4AECB11 4AFCB11 4AGCB11 4AHCB11 4AJCB11 4ALCB11 4APCB11 4AQCB11 4ARCB11 4ASCB11 4ATCB11 4AUCB11 4AWCB11 4AXCB11 4AYCB11 4AZCB11 4BACB11 4BBCB11 4BDCB11 4BECB11 4BGCB11 4BHCB11 4BJCB11 4BLCB11 4BNCB11 4BPCB11 4BQCB11 4BSCB11 4BTCB11 4BUCB11 4BWCB11 4BXCB11 4BYCB11 4BZCB11 4DACB11 4DBCB11 4DDCB11 4DECB11 4DFCB11 4DGCB11 4DHCB11 4DJCB11 4DLCB11 4DNCB11 4DPCB11 4DQCB11 4DRCB11 4DSCB11 4DTCB11 4DUCB11 4DWCB11 4DXCB11 4DYCB11 4DZCB11 4EACB11 4EBCB11 4EDCB11 4EFCB11 4EGCB11 4EHCB11 4EJCB11 4ENCB11 4EQCB11 4ERCB11 4ETCB11 4EXCB11 4EYCB11 4EZCB11 4FBCB11 4FDCB11 4FECB11 4FFCB11 4FGCB11 4FSCB11 4FUCB11 4FXCB11 4FZCB11 4GACB11 4GDCB11 4GECB11 4GJCB11 4GLCB11 4GNCB11 4GPCB11 4GRCB11 4GSCB11 4GTCB11 4GUCB11 4GWCB11 4GXCB11 4GYCB11 4GZCB11 4HACB11 4HBCB11 4HDCB11 4HECB11 4HFCB11 4HGCB11 4HHCB11 4HJCB11 4HPCB11 4HQCB11 4HXCB11 4HYCB11 4HZCB11 4JACB11 4JBCB11 4JECB11 4JFCB11 4JGCB11 4JHCB11 4JJCB11 4JLCB11 4JNCB11 4JPCB11 4JQCB11 4JRCB11 4JSCB11 4JTCB11 4JUCB11 4JWCB11 4JXCB11 4JYCB11 4JZCB11 4LACB11 4LBCB11 4LDCB11 4LECB11 4LHCB11 4LNCB11 4LPCB11 4LQCB11 4LTCB11 4LUCB11 4LXCB11 4LYCB11 4LZCB11 4NACB11 4NBCB11 4NDCB11 4NECB11 4NFCB11 4NGCB11 4NHCB11 4NJCB11 4NLCB11 4NNCB11 4NPCB11 4NQCB11 4NRCB11 4NSCB11 4NWCB11 4PBCB11 4PECB11 4PFCB11 4PGCB11 4PHCB11 4PJCB11 4PLCB11 4PNCB11 4PPCB11 4PQCB11 4PRCB11 4PTCB11 4PUCB11 4PWCB11 4PXCB11 4PYCB11 4QLCB11 4QNCB11 4QPCB11 4QRCB11 4QSCB11 4QTCB11 4QUCB11 4QWCB11 4QXCB11 4QYCB11 4RACB11 4RLCB11 4RNCB11 4RPCB11 4RRCB11 4RSCB11 4RTCB11 4RUCB11 4RXCB11 4RYCB11 4RZCB11 4SACB11 4SBCB11 4SDCB11 4SECB11 4SFCB11 4SGCB11 4SHCB11 4SJCB11 4SLCB11 4SNCB11 4SQCB11 4TACB11 4TBCB11 4TDCB11 4TFCB11 4TGCB11 4THCB11 4TJCB11 4TLCB11 4TNCB11 4TPCB11 4TQCB11 4TRCB11 4TSCB11 4TTCB11 4TUCB11 4TWCB11 4TXCB11 4TYCB11 4UHCB11 4UJCB11 4ULCB11 4UNCB11 4UPCB11 4URCB11 4USCB11 4UTCB11 4UUCB11 4UWCB11 4UXCB11 4UYCB11 4UZCB11 4WXCB11 4XACB11 4XBCB11 4XECB11 4XFCB11 4XGCB11 4XHCB11 4XJCB11 4XLCB11 4XNCB11 4XUCB11 4ZH

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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