Postcodes in Windsor and Maidenhead page 7 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 1SE Eton & Castle 51.483398 -0.616826 496142 176956 SU961769
SL4 1SF Eton & Castle 51.483384 -0.61638 496173 176955 SU961769
SL4 1SG Eton & Castle 51.484452 -0.617759 496075 177072 SU960770
SL4 1SH Eton & Castle 51.483703 -0.6183 496039 176988 SU960769
SL4 1SJ Eton & Castle 51.484347 -0.618698 496010 177059 SU960770
SL4 1SL Eton & Castle 51.483767 -0.614525 496301 177000 SU963770
SL4 1SN Eton & Castle 51.483454 -0.608658 496709 176973 SU967769
SL4 1SP Eton & Castle 51.484018 -0.617541 496091 177024 SU960770
SL4 1SQ Eton & Castle 51.484553 -0.618706 496009 177082 SU960770
SL4 1SR Eton & Castle 51.481227 -0.612715 496432 176720 SU964767
SL4 1SS Eton & Castle 51.48233 -0.614698 496292 176840 SU962768
SL4 1ST Eton & Castle 51.482217 -0.613506 496375 176829 SU963768
SL4 1SU Eton & Castle 51.482305 -0.614137 496331 176838 SU963768
SL4 1SW Eton & Castle 51.482063 -0.61341 496382 176812 SU963768
SL4 1SX Eton & Castle 51.48192 -0.612709 496431 176797 SU964767
SL4 1SY Eton & Castle 51.481562 -0.612907 496418 176757 SU964767
SL4 1SZ Eton & Castle 51.48189 -0.613962 496344 176792 SU963767
SL4 1TA Eton & Castle 51.481292 -0.613649 496367 176726 SU963767
SL4 1TB Eton & Castle 51.481813 -0.615074 496267 176782 SU962767
SL4 1TD Eton & Castle 51.481931 -0.614379 496315 176796 SU963767
SL4 1TE Eton & Castle 51.481536 -0.610632 496576 176757 SU965767
SL4 1TF Eton & Castle 51.481722 -0.611231 496534 176777 SU965767
SL4 1TG Eton & Castle 51.482209 -0.610597 496577 176832 SU965768
SL4 1TH Eton & Castle 51.481899 -0.610981 496551 176797 SU965767
SL4 1TJ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1TL Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1TN Eton & Castle 51.483698 -0.608766 496701 177000 SU967770
SL4 1TP Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1TQ Eton & Castle 51.481855 -0.611026 496548 176792 SU965767
SL4 1TR Eton & Castle 51.48099 -0.610922 496557 176696 SU965766
SL4 1TS Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1TT Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1TU Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1TX Eton & Castle 51.485455 -0.607517 496784 177197 SU967771
SL4 1TY Eton & Castle 51.485921 -0.607388 496792 177249 SU967772
SL4 1TZ Eton & Castle 51.48099 -0.610922 496557 176696 SU965766
SL4 1UA Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1UB Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1UD Eton & Castle 51.48099 -0.610922 496557 176696 SU965766
SL4 1UE Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1UH Eton & Castle 51.48099 -0.610922 496557 176696 SU965766
SL4 1UJ Eton & Castle 51.480982 -0.610937 496556 176695 SU965766
SL4 1UL Eton & Castle 51.48099 -0.610922 496557 176696 SU965766
SL4 1UN Eton & Castle 51.480069 -0.605997 496901 176600 SU969766
SL4 1UP Eton & Castle 51.48099 -0.610922 496557 176696 SU965766
SL4 1UR Eton & Castle 51.48099 -0.610922 496557 176696 SU965766
SL4 1US Eton & Castle 51.48099 -0.610922 496557 176696 SU965766
SL4 1UT Eton & Castle 51.482122 -0.605531 496929 176829 SU969768
SL4 1UU Eton & Castle 51.48099 -0.610922 496557 176696 SU965766
SL4 1UW Eton & Castle 51.481866 -0.605942 496901 176800 SU969768
SL4 1UX Eton & Castle 51.480916 -0.606201 496885 176694 SU968766
SL4 1UY Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1UZ Eton & Castle 51.476559 -0.613303 496401 176200 SU964762
SL4 1WA Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1WB Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1WD Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1WE Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1WF Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1WH Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1WJ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1WL Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1WN Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1WP Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1WQ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1WR Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1WS Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1WT Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1WU Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1WW Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1WX Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1WY Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1WZ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1XA Eton & Castle 51.47566 -0.613331 496401 176100 SU964761
SL4 1XB Eton & Castle 51.47744 -0.611837 496501 176300 SU965763
SL4 1XD Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1XE Eton & Castle 51.47566 -0.613331 496401 176100 SU964761
SL4 1XF Eton & Castle 51.476541 -0.611864 496501 176200 SU965762
SL4 1XG Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1XH Eton & Castle 51.48099 -0.610922 496557 176696 SU965766
SL4 1XJ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1XL Eton & Castle 51.48099 -0.610922 496557 176696 SU965766
SL4 1XN Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1XP Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1XQ Eton & Castle 51.476541 -0.611864 496501 176200 SU965762
SL4 1XR Eton & Castle 51.48099 -0.610922 496557 176696 SU965766
SL4 1XS Eton & Castle 51.480982 -0.610937 496556 176695 SU965766
SL4 1XT Eton & Castle 51.48099 -0.610922 496557 176696 SU965766
SL4 1XU Eton & Castle 51.48099 -0.610922 496557 176696 SU965766
SL4 1XW Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1XX Eton & Castle 51.480982 -0.610937 496556 176695 SU965766
SL4 1XY Eton & Castle 51.480058 -0.609669 496646 176594 SU966765
SL4 1XZ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1YA Eton & Castle 51.479623 -0.606298 496881 176550 SU968765
SL4 1YB Eton & Castle 51.479767 -0.606366 496876 176566 SU968765
SL4 1YD Eton & Castle 51.479187 -0.607464 496801 176500 SU968765
SL4 1YE Eton & Castle 51.480473 -0.60669 496852 176644 SU968766
SL4 1YF Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 1YG Eton & Castle 51.480069 -0.605997 496901 176600 SU969766
SL4 1YH Eton & Castle 51.480982 -0.610937 496556 176695 SU965766
SL4 1YJ Eton & Castle 51.48099 -0.610922 496557 176696 SU965766
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