Postcodes in Windsor and Maidenhead page 21 District

This page provides postcode data for the Windsor and Maidenhead UK District.

In 2021, Windsor and Maidenhead contained approximately 60,900 households with a population of about 153,500

In 2011, Windsor and Maidenhead contained approximately 58,390 households with a population of about 144,657

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

Postcode Ward Latitude Longitude Easting Northing Grid ref
SL4 5ZL Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 5ZN Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 5ZP Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 5ZQ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 5ZR Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 5ZS Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 5ZT Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 5ZU Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 5ZW Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 6AA Eton & Castle 51.486384 -0.608643 496704 177299 SU967772
SL4 6AB Eton & Castle 51.486981 -0.608193 496734 177366 SU967773
SL4 6AD Eton & Castle 51.486394 -0.608701 496700 177300 SU966773
SL4 6AE Eton & Castle 51.487318 -0.608368 496721 177403 SU967774
SL4 6AF Eton & Castle 51.487075 -0.609153 496667 177375 SU966773
SL4 6AG Eton & Castle 51.487559 -0.609169 496665 177429 SU966774
SL4 6AH Eton & Castle 51.488622 -0.608546 496706 177548 SU967775
SL4 6AJ Eton & Castle 51.487704 -0.609251 496659 177445 SU966774
SL4 6AL Eton & Castle 51.487309 -0.609909 496614 177400 SU966774
SL4 6AN Eton & Castle 51.489019 -0.609413 496645 177591 SU966775
SL4 6AP Eton & Castle 51.488788 -0.610399 496577 177564 SU965775
SL4 6AQ Eton & Castle 51.487903 -0.610109 496599 177466 SU965774
SL4 6AR Eton & Castle 51.489733 -0.609576 496632 177670 SU966776
SL4 6AS Eton & Castle 51.489933 -0.60914 496662 177693 SU966776
SL4 6AT Eton & Castle 51.489869 -0.609099 496665 177686 SU966776
SL4 6AU Eton & Castle 51.489934 -0.60927 496653 177693 SU966776
SL4 6AW Eton & Castle 51.488696 -0.609319 496652 177555 SU966775
SL4 6AX Eton & Castle 51.488879 -0.609043 496671 177576 SU966775
SL4 6AY Eton & Castle 51.489366 -0.609157 496662 177630 SU966776
SL4 6AZ Eton & Castle 51.489185 -0.607535 496775 177612 SU967776
SL4 6BA Eton & Castle 51.488997 -0.608333 496720 177590 SU967775
SL4 6BB Eton & Castle 51.488677 -0.607896 496751 177555 SU967775
SL4 6BD Eton & Castle 51.487952 -0.608809 496689 177473 SU966774
SL4 6BE Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 6BF Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 6BG Eton & Castle 51.488038 -0.607873 496754 177484 SU967774
SL4 6BH Eton & Castle 51.48769 -0.608644 496701 177444 SU967774
SL4 6BJ Eton & Castle 51.489355 -0.608164 496731 177630 SU967776
SL4 6BL Eton & Castle 51.487313 -0.608771 496693 177402 SU966774
SL4 6BN Eton & Castle 51.486891 -0.609722 496628 177354 SU966773
SL4 6BP Eton & Castle 51.486315 -0.61046 496578 177289 SU965772
SL4 6BQ Eton & Castle 51.487702 -0.607595 496774 177447 SU967774
SL4 6BS Eton & Castle 51.486815 -0.610863 496549 177344 SU965773
SL4 6BT Eton & Castle 51.486035 -0.608769 496696 177260 SU966772
SL4 6BU Eton & Castle 51.489829 -0.60711 496803 177684 SU968776
SL4 6BW Eton & Castle 51.486035 -0.609547 496642 177259 SU966772
SL4 6BX Eton & Castle 51.488191 -0.608646 496700 177500 SU966774
SL4 6BY Eton & Castle 51.487677 -0.60984 496618 177441 SU966774
SL4 6BZ Eton & Castle 51.481882 -0.607398 496800 176800 SU967767
SL4 6DA Eton & Castle 51.492686 -0.608509 496700 178000 SU966780
SL4 6DB Eton & Castle 51.490946 -0.608951 496673 177806 SU966778
SL4 6DD Eton & Castle 51.49087 -0.609945 496604 177796 SU966777
SL4 6DE Eton & Castle 51.491232 -0.609504 496634 177837 SU966778
SL4 6DF Eton & Castle 51.491295 -0.60956 496630 177844 SU966778
SL4 6DG Eton & Castle 51.491449 -0.609656 496623 177861 SU966778
SL4 6DH Eton & Castle 51.492187 -0.608178 496724 177945 SU967779
SL4 6DJ Eton & Castle 51.492117 -0.609074 496662 177936 SU966779
SL4 6DL Eton & Castle 51.491694 -0.607516 496771 177891 SU967778
SL4 6DN Eton & Castle 51.492944 -0.608271 496716 178029 SU967780
SL4 6DP Eton & Castle 51.492556 -0.608196 496722 177986 SU967779
SL4 6DQ Eton & Castle 51.49115 -0.608496 496704 177829 SU967778
SL4 6DR Eton & Castle 51.491631 -0.609648 496623 177881 SU966778
SL4 6DS Eton & Castle 51.491805 -0.609902 496605 177900 SU966779
SL4 6DT Eton & Castle 51.492512 -0.60899 496667 177980 SU966779
SL4 6DU Eton & Castle 51.494391 -0.611897 496461 178185 SU964781
SL4 6DW Eton & Castle 51.492092 -0.608337 496713 177934 SU967779
SL4 6DX Eton & Castle 51.492292 -0.610192 496584 177954 SU965779
SL4 6DY Eton & Castle 51.492437 -0.610862 496537 177969 SU965779
SL4 6DZ Eton & Castle 51.492879 -0.611182 496514 178018 SU965780
SL4 6EA Eton & Castle 51.492925 -0.61049 496562 178024 SU965780
SL4 6EB Eton & Castle 51.493143 -0.610713 496546 178048 SU965780
SL4 6ED Eton & Castle 51.493497 -0.610919 496531 178087 SU965780
SL4 6EE Eton & Castle 51.493438 -0.612073 496451 178079 SU964780
SL4 6EF Eton & Castle 51.493936 -0.611568 496485 178135 SU964781
SL4 6EG Eton & Castle 51.493976 -0.61325 496368 178137 SU963781
SL4 6EH Eton & Castle 51.493334 -0.609927 496600 178070 SU966780
SL4 6EJ Eton & Castle 51.493807 -0.609639 496619 178123 SU966781
SL4 6EL Eton & Castle 51.491449 -0.610376 496573 177860 SU965778
SL4 6EN Eton & Castle 51.491508 -0.610778 496545 177866 SU965778
SL4 6EP Eton & Castle 51.491231 -0.61021 496585 177836 SU965778
SL4 6EQ Eton & Castle 51.492946 -0.609956 496599 178027 SU965780
SL4 6ER Eton & Castle 51.491361 -0.611932 496465 177848 SU964778
SL4 6ES Eton & Castle 51.490245 -0.611983 496464 177724 SU964777
SL4 6ET Eton & Castle 51.492613 -0.613783 496334 177985 SU963779
SL4 6EU Eton & Castle 51.491583 -0.612619 496417 177872 SU964778
SL4 6EW Eton & Castle 51.49014 -0.612951 496397 177711 SU963777
SL4 6EX Eton & Castle 51.491913 -0.613099 496383 177908 SU963779
SL4 6EY Eton & Castle 51.492161 -0.611893 496466 177937 SU964779
SL4 6EZ Eton & Castle 51.492354 -0.612408 496430 177958 SU964779
SL4 6FA Eton & Castle 51.486832 -0.607794 496762 177350 SU967773
SL4 6FB Eton & Castle 51.48578 -0.61003 496609 177230 SU966772
SL4 6FD Eton & Castle 51.486832 -0.607765 496764 177350 SU967773
SL4 6FE Eton & Castle 51.488423 -0.610021 496604 177524 SU966775
SL4 6FF Eton & Castle 51.490931 -0.609182 496657 177804 SU966778
SL4 6FG Eton & Castle 51.491005 -0.60922 496654 177812 SU966778
SL4 6FH Eton & Castle 51.491414 -0.609568 496629 177857 SU966778
SL4 6HA Eton & Castle 51.492398 -0.613026 496387 177962 SU963779
SL4 6HB Eton & Castle 51.49297 -0.608976 496667 178031 SU966780
SL4 6HD Eton & Castle 51.493067 -0.60789 496742 178043 SU967780
SL4 6HE Eton & Castle 51.492755 -0.614929 496254 177999 SU962779
SL4 6HF Eton & Castle 51.492705 -0.614717 496269 177994 SU962779
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