Postcodes in Windsor and Maidenhead page 7 Unitary Authority

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

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

Parishes in this Unitary Authority
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 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