Postcodes in Basildon Local Authority District

This page provides postcode data for the Basildon UK Local Authority District.

In 2021, Basildon contained approximately 76,400 households with a population of about 187,600

In 2011, Basildon contained approximately 72,736 households with a population of about 174,571

Key Active postcodeActive postcode Postcode no longer in usePostcode no longer in use

Postcode Ward Latitude Longitude Easting Northing Grid ref
CM11 1AA Billericay East 51.634316 0.426952 568056 195623 TQ680956
CM11 1AB Billericay East 51.631648 0.42379 567847 195319 TQ678953
CM11 1AD Billericay East 51.622873 0.41672 567390 194327 TQ673943
CM11 1AE Billericay East 51.629244 0.423041 567804 195050 TQ678950
CM11 1AF Billericay East 51.628566 0.422802 567790 194974 TQ677949
CM11 1AG Billericay East 51.630005 0.424107 567875 195137 TQ678951
CM11 1AH Billericay East 51.629278 0.425325 567962 195059 TQ679950
CM11 1AJ Billericay East 51.628947 0.423502 567837 195018 TQ678950
CM11 1AL Billericay East 51.628344 0.426591 568053 194958 TQ680949
CM11 1AN Billericay East 51.630068 0.424963 567934 195146 TQ679951
CM11 1AP Billericay East 51.629563 0.425875 567999 195092 TQ679950
CM11 1AQ Billericay East 51.628404 0.424961 567940 194961 TQ679949
CM11 1AR Billericay East 51.629694 0.423036 567802 195100 TQ678951
CM11 1AS Billericay East 51.630904 0.424112 567872 195237 TQ678952
CM11 1AT Billericay East 51.631324 0.42555 567970 195287 TQ679952
CM11 1AU Billericay East 51.637041 0.430465 568289 195934 TQ682959
CM11 1AW Billericay East 51.629664 0.424479 567902 195100 TQ679951
CM11 1AX Billericay East 51.622873 0.41672 567390 194327 TQ673943
CM11 1AY Billericay East 51.637659 0.429241 568202 196000 TQ682960
CM11 1BA Billericay East 51.637048 0.433558 568503 195942 TQ685959
CM11 1BB Billericay East 51.631126 0.427302 568092 195269 TQ680952
CM11 1BD Billericay East 51.631154 0.427246 568088 195272 TQ680952
CM11 1BE Billericay East 51.631431 0.426018 568002 195300 TQ680953
CM11 1BF Billericay East 51.622873 0.41672 567390 194327 TQ673943
CM11 1BG Billericay East 51.63262 0.426356 568021 195433 TQ680954
CM11 1BH Billericay East 51.634023 0.428974 568197 195595 TQ681955
CM11 1BJ Billericay East 51.634661 0.427664 568104 195663 TQ681956
CM11 1BL Billericay East 51.635606 0.428929 568188 195771 TQ681957
CM11 1BN Billericay East 51.636454 0.427529 568088 195862 TQ680958
CM11 1BP Billericay East 51.637069 0.428631 568162 195933 TQ681959
CM11 1BQ Billericay East 51.633198 0.427557 568102 195500 TQ681955
CM11 1BS Billericay East 51.636063 0.430341 568284 195825 TQ682958
CM11 1BT Billericay East 51.634878 0.430682 568312 195694 TQ683956
CM11 1BU Billericay East 51.636225 0.433355 568492 195850 TQ684958
CM11 1BY Billericay East 51.636274 0.432317 568420 195853 TQ684958
CM11 1BZ Billericay East 51.638768 0.440429 568972 196149 TQ689961
CM11 1DA Billericay East 51.622873 0.41672 567390 194327 TQ673943
CM11 1DB Billericay East 51.63773 0.43887 568868 196030 TQ688960
CM11 1DD Billericay East 51.637785 0.437052 568742 196032 TQ687960
CM11 1DE Billericay East 51.640557 0.438689 568845 196344 TQ688963
CM11 1DF Billericay East 51.639596 0.43819 568814 196236 TQ688962
CM11 1DG Billericay East 51.639626 0.436327 568685 196235 TQ686962
CM11 1DH Billericay East 51.639193 0.437257 568751 196189 TQ687961
CM11 1DJ Billericay East 51.645422 0.434397 568530 196875 TQ685968
CM11 1DL Billericay East 51.644475 0.436688 568692 196775 TQ686967
CM11 1DP Billericay East 51.642328 0.437411 568750 196538 TQ687965
CM11 1DQ Billericay East 51.640083 0.435556 568630 196284 TQ686962
CM11 1DR Billericay East 51.643526 0.43775 568769 196672 TQ687966
CM11 1DS Billericay East 51.644045 0.433571 568478 196720 TQ684967
CM11 1DT Billericay East 51.642761 0.433907 568506 196578 TQ685965
CM11 1DU Billericay East 51.64372 0.434479 568542 196686 TQ685966
CM11 1DW Billericay East 51.6429 0.436748 568702 196600 TQ687966
CM11 1DX Billericay East 51.643543 0.435207 568593 196668 TQ685966
CM11 1DY Billericay East 51.643643 0.43605 568651 196681 TQ686966
CM11 1DZ Billericay East 51.642884 0.435764 568634 196596 TQ686965
CM11 1EA Billericay East 51.643413 0.436703 568697 196657 TQ686966
CM11 1EB Billericay East 51.643105 0.437236 568735 196624 TQ687966
CM11 1ED Billericay East 51.642913 0.436532 568687 196601 TQ686966
CM11 1EE Billericay East 51.642313 0.436008 568653 196533 TQ686965
CM11 1EF Billericay East 51.641753 0.435255 568603 196469 TQ686964
CM11 1EG Billericay East 51.641331 0.434351 568542 196420 TQ685964
CM11 1EH Billericay East 51.640962 0.433479 568483 196377 TQ684963
CM11 1EJ Billericay East 51.641893 0.433673 568493 196481 TQ684964
CM11 1EL Billericay East 51.641731 0.432811 568434 196461 TQ684964
CM11 1EN Billericay East 51.644786 0.43338 568462 196802 TQ684968
CM11 1EP Billericay East 51.641175 0.436207 568671 196407 TQ686964
CM11 1EQ Billericay East 51.641163 0.433764 568502 196400 TQ685964
CM11 1ER Billericay East 51.640393 0.435342 568614 196318 TQ686963
CM11 1ES Billericay East 51.641497 0.438046 568797 196447 TQ687964
CM11 1ET Billericay East 51.629355 0.441557 569085 195105 TQ690951
CM11 1EU Billericay East 51.629465 0.43756 568808 195108 TQ688951
CM11 1EX Billericay East 51.629081 0.440054 568982 195071 TQ689950
CM11 1EY Billericay East 51.628249 0.440269 569000 194979 TQ689949
CM11 1EZ Billericay East 51.62863 0.437501 568807 195015 TQ688950
CM11 1FF Billericay East 51.622873 0.41672 567390 194327 TQ673943
CM11 1GG Billericay East 51.630791 0.4261 568010 195229 TQ680952
CM11 1HA Billericay East 51.633968 0.441602 569071 195618 TQ690956
CM11 1HB Billericay East 51.627703 0.443159 569202 194925 TQ692949
CM11 1HD Billericay East 51.629132 0.443192 569199 195084 TQ691950
CM11 1HG Billericay East 51.640672 0.441817 569061 196364 TQ690963
CM11 1HH Billericay East 51.642181 0.43973 568911 196527 TQ689965
CM11 1HQ Billericay East 51.639518 0.441986 569077 196236 TQ690962
CM11 1HT Billericay East 51.622873 0.41672 567390 194327 TQ673943
CM11 1HW Billericay East 51.622873 0.41672 567390 194327 TQ673943
CM11 1JW Billericay East 51.622873 0.41672 567390 194327 TQ673943
CM11 1LN Billericay East 51.630191 0.42377 567851 195157 TQ678951
CM11 1LQ Billericay East 51.630532 0.42295 567793 195193 TQ677951
CM11 1LR Billericay East 51.630927 0.422971 567793 195237 TQ677952
CM11 1LS Billericay East 51.62988 0.422294 567750 195119 TQ677951
CM11 1LT Billericay East 51.629875 0.421658 567706 195117 TQ677951
CM11 1LU Billericay East 51.629206 0.421391 567690 195042 TQ676950
CM11 1NP Castledon & Crouch 51.623745 0.471568 571183 194551 TQ711945
CM11 1NR Castledon & Crouch 51.622959 0.473866 571345 194469 TQ713944
CM11 1NS Castledon & Crouch 51.623302 0.478942 571695 194519 TQ716945
CM11 1PH Castledon & Crouch 51.623036 0.484692 572094 194503 TQ720945
CM11 1PJ Castledon & Crouch 51.624152 0.481719 571884 194621 TQ718946
CM11 1PL Castledon & Crouch 51.625493 0.481214 571844 194768 TQ718947
CM11 1QW Billericay East 51.622873 0.41672 567390 194327 TQ673943
CM11 1QX Billericay East 51.622873 0.41672 567390 194327 TQ673943
CM11 1RA Castledon & Crouch 51.623007 0.484806 572102 194500 TQ721945
Contains OS data © Crown copyright and database right 2025
Contains Royal Mail data © Royal Mail copyright and database right 2025
Contains National Statistics data © Crown copyright and database rights 2025
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license