Postcodes in Windsor and Maidenhead page 6 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 58,391 households with a population of about 144,662

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

Postcode Ward Latitude Longitude Easting Northing Grid ref
SL4 1JQ Eton & Castle 51.47736 -0.609578 496658 176294 SU966762
SL4 1JR Eton & Castle 51.480069 -0.605997 496901 176600 SU969766
SL4 1JS Eton & Castle 51.480419 -0.604474 497006 176641 SU970766
SL4 1JT Eton & Castle 51.480968 -0.605969 496901 176700 SU969767
SL4 1JU Eton & Castle 51.477166 -0.607683 496790 176275 SU967762
SL4 1JW Eton & Castle 51.479187 -0.607464 496801 176500 SU968765
SL4 1JX Eton & Castle 51.480968 -0.605969 496901 176700 SU969767
SL4 1JY Eton & Castle 51.480968 -0.605969 496901 176700 SU969767
SL4 1JZ Eton & Castle 51.480968 -0.605969 496901 176700 SU969767
SL4 1LA Eton & Castle 51.480007 -0.60463 496996 176595 SU969765
SL4 1LB Eton & Castle 51.480681 -0.604552 497000 176670 SU970766
SL4 1LD Eton & Castle 51.481234 -0.606451 496867 176729 SU968767
SL4 1LE Eton & Castle 51.481901 -0.608821 496701 176800 SU967768
SL4 1LF Eton & Castle 51.481901 -0.608821 496701 176800 SU967768
SL4 1LG Eton & Castle 51.481307 -0.606535 496861 176737 SU968767
SL4 1LH Eton & Castle 51.482212 -0.607746 496775 176836 SU967768
SL4 1LJ Eton & Castle 51.481849 -0.607469 496795 176796 SU967767
SL4 1LL Eton & Castle 51.482041 -0.607751 496775 176817 SU967768
SL4 1LN Eton & Castle 51.482266 -0.607802 496771 176842 SU967768
SL4 1LP Eton & Castle 51.481327 -0.605973 496900 176740 SU969767
SL4 1LQ Eton & Castle 51.481455 -0.606919 496834 176753 SU968767
SL4 1LR Eton & Castle 51.482376 -0.607237 496810 176855 SU968768
SL4 1LS Eton & Castle 51.48193 -0.606746 496845 176806 SU968768
SL4 1LT Eton & Castle 51.481525 -0.60673 496847 176761 SU968767
SL4 1LU Eton & Castle 51.480542 -0.604931 496974 176654 SU969766
SL4 1LW Eton & Castle 51.482303 -0.607829 496769 176846 SU967768
SL4 1LX Eton & Castle 51.48099 -0.610922 496557 176696 SU965766
SL4 1LY Eton & Castle 51.481726 -0.606997 496828 176783 SU968767
SL4 1LZ Eton & Castle 51.482348 -0.607151 496816 176852 SU968768
SL4 1NA Eton & Castle 51.486024 -0.606232 496872 177262 SU968772
SL4 1NB Eton & Castle 51.482748 -0.604475 497001 176900 SU970769
SL4 1ND Eton & Castle 51.482748 -0.604475 497001 176900 SU970769
SL4 1NG Eton & Castle 51.481615 -0.605215 496952 176773 SU969767
SL4 1NH Eton & Castle 51.481866 -0.605942 496901 176800 SU969768
SL4 1NJ Eton & Castle 51.483877 -0.606399 496865 177023 SU968770
SL4 1NL Eton & Castle 51.483681 -0.607326 496801 177000 SU968770
SL4 1NQ Eton & Castle 51.481895 -0.605278 496947 176804 SU969768
SL4 1NZ Eton & Castle 51.483681 -0.607326 496801 177000 SU968770
SL4 1PA Eton & Castle 51.482043 -0.606383 496870 176819 SU968768
SL4 1PB Eton & Castle 51.482399 -0.606847 496837 176858 SU968768
SL4 1PD Eton & Castle 51.48257 -0.6069 496833 176877 SU968768
SL4 1PE Eton & Castle 51.482413 -0.606515 496860 176860 SU968768
SL4 1PF Eton & Castle 51.481531 -0.605722 496917 176763 SU969767
SL4 1PG Eton & Castle 51.482557 -0.608052 496753 176874 SU967768
SL4 1PH Eton & Castle 51.482687 -0.608379 496730 176888 SU967768
SL4 1PJ Eton & Castle 51.482917 -0.609568 496647 176912 SU966769
SL4 1PL Eton & Castle 51.48377 -0.60875 496702 177008 SU967770
SL4 1PN Eton & Castle 51.483698 -0.608766 496701 177000 SU967770
SL4 1PP Eton & Castle 51.483698 -0.608766 496701 177000 SU967770
SL4 1PQ Eton & Castle 51.482687 -0.608379 496730 176888 SU967768
SL4 1PR Eton & Castle 51.484538 -0.607516 496786 177095 SU967770
SL4 1PS Eton & Castle 51.484416 -0.607895 496760 177081 SU967770
SL4 1PT Eton & Castle 51.480982 -0.610937 496556 176695 SU965766
SL4 1PU Eton & Castle 51.485108 -0.607816 496764 177158 SU967771
SL4 1PW Eton & Castle 51.483165 -0.608523 496719 176941 SU967769
SL4 1PX Eton & Castle 51.485517 -0.608178 496738 177203 SU967772
SL4 1PY Eton & Castle 51.485496 -0.608711 496701 177200 SU967772
SL4 1PZ Eton & Castle 51.484701 -0.606835 496833 177114 SU968771
SL4 1QA Eton & Castle 51.480982 -0.610937 496556 176695 SU965766
SL4 1QB Eton & Castle 51.485404 -0.606971 496822 177192 SU968771
SL4 1QD Eton & Castle 51.485262 -0.606371 496864 177177 SU968771
SL4 1QE Eton & Castle 51.485516 -0.60583 496901 177206 SU969772
SL4 1QF Eton & Castle 51.485542 -0.605743 496907 177209 SU969772
SL4 1QG Eton & Castle 51.486267 -0.605447 496926 177290 SU969772
SL4 1QH Eton & Castle 51.484898 -0.60752 496785 177135 SU967771
SL4 1QJ Eton & Castle 51.484597 -0.608739 496701 177100 SU967771
SL4 1QL Eton & Castle 51.485474 -0.606854 496830 177200 SU968772
SL4 1QN Eton & Castle 51.485876 -0.607375 496793 177244 SU967772
SL4 1QP Eton & Castle 51.484802 -0.607782 496767 177124 SU967771
SL4 1QQ Eton & Castle 51.486213 -0.605492 496923 177284 SU969772
SL4 1QR Eton & Castle 51.480982 -0.610937 496556 176695 SU965766
SL4 1QS Eton & Castle 51.485334 -0.60719 496807 177184 SU968771
SL4 1QT Eton & Castle 51.484502 -0.608295 496732 177090 SU967770
SL4 1QU Eton & Castle 51.484597 -0.608739 496701 177100 SU967771
SL4 1QW Eton & Castle 51.485284 -0.607465 496788 177178 SU967771
SL4 1QX Eton & Castle 51.484728 -0.609916 496619 177113 SU966771
SL4 1QY Eton & Castle 51.483747 -0.611343 496522 177002 SU965770
SL4 1QZ Eton & Castle 51.483624 -0.613852 496348 176985 SU963769
SL4 1RB Eton & Castle 51.483543 -0.610081 496610 176981 SU966769
SL4 1RD Eton & Castle 51.483398 -0.610734 496565 176964 SU965769
SL4 1RE Eton & Castle 51.483698 -0.608766 496701 177000 SU967770
SL4 1RF Eton & Castle 51.483804 -0.610822 496558 177009 SU965770
SL4 1RG Eton & Castle 51.48458 -0.607299 496801 177100 SU968771
SL4 1RH Eton & Castle 51.482784 -0.610479 496584 176896 SU965768
SL4 1RJ Eton & Castle 51.4828 -0.608794 496701 176900 SU967769
SL4 1RL Eton & Castle 51.483417 -0.610834 496558 176966 SU965769
SL4 1RN Eton & Castle 51.48458 -0.607299 496801 177100 SU968771
SL4 1RP Eton & Castle 51.482902 -0.617431 496101 176900 SU961769
SL4 1RQ Eton & Castle 51.484705 -0.60646 496859 177115 SU968771
SL4 1RR Eton & Castle 51.482885 -0.615992 496201 176900 SU962769
SL4 1RS Eton & Castle 51.482648 -0.61273 496428 176878 SU964768
SL4 1RT Eton & Castle 51.482791 -0.614108 496332 176892 SU963768
SL4 1RU Eton & Castle 51.48305 -0.617052 496127 176917 SU961769
SL4 1RW Eton & Castle 51.480982 -0.610937 496556 176695 SU965766
SL4 1RX Eton & Castle 51.482783 -0.616499 496166 176888 SU961768
SL4 1RY Eton & Castle 51.482936 -0.618049 496058 176903 SU960769
SL4 1RZ Eton & Castle 51.483167 -0.618547 496023 176928 SU960769
SL4 1SA Eton & Castle 51.483825 -0.617979 496061 177002 SU960770
SL4 1SB Eton & Castle 51.483876 -0.616926 496134 177009 SU961770
SL4 1SD Eton & Castle 51.4847 -0.617377 496101 177100 SU961771
Contains OS data © Crown copyright and database right 2026
Contains Royal Mail data © Royal Mail copyright and database right 2026
Contains National Statistics data © Crown copyright and database rights 2026
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license