Postcodes in Windsor and Maidenhead page 13 Unitary Authority

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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

Wards in this Unitary Authority
Ascot & Sunninghill ,   Belmont ,   Bisham & Cookham ,   Boyn Hill ,   Bray ,   Clewer & Dedworth East ,   Clewer & Dedworth West ,   Clewer East ,   Cox Green ,   Datchet, Horton & Wraysbury ,   Eton & Castle ,   Furze Platt ,   Hurley & Walthams ,   Old Windsor ,   Oldfield ,   Pinkneys Green ,   Riverside ,   St Mary's ,   Sunningdale & Cheapside
Parishes in this Unitary Authority
Bisham ,   Bray ,   Cookham ,   Cox Green ,   Datchet ,   Eton ,   Horton ,   Hurley ,   Old Windsor ,   Shottesbrooke ,   Sunningdale ,   Sunninghill and Ascot ,   Waltham St. Lawrence ,   White Waltham ,   Windsor and Maidenhead, unparished area ,   Wraysbury
Key Active postcodeActive postcode Postcode no longer in usePostcode no longer in use

Postcode Ward Latitude Longitude Easting Northing Grid ref
SL4 3SE Clewer East 51.479381 -0.625444 495552 176498 SU955764
SL4 3SF Clewer East 51.479263 -0.626124 495505 176484 SU955764
SL4 3SG Old Windsor 51.473228 -0.609992 496638 175834 SU966758
SL4 3SH Clewer East 51.47947 -0.626924 495449 176506 SU954765
SL4 3SJ Eton & Castle 51.474697 -0.610264 496616 175997 SU966759
SL4 3SL Eton & Castle 51.481688 -0.615884 496211 176767 SU962767
SL4 3SN Clewer East 51.473641 -0.632096 495102 175851 SU951758
SL4 3SP Clewer East 51.473553 -0.631508 495143 175842 SU951758
SL4 3SQ Old Windsor 51.474247 -0.611012 496565 175946 SU965759
SL4 3SR Old Windsor 51.472728 -0.615565 496252 175771 SU962757
SL4 3SS Old Windsor 51.474068 -0.610283 496616 175927 SU966759
SL4 3ST Clewer East 51.477044 -0.629359 495285 176233 SU952762
SL4 3SU Old Windsor 51.472591 -0.608586 496737 175765 SU967757
SL4 3SW Clewer East 51.477749 -0.630446 495208 176310 SU952763
SL4 3SX Old Windsor 51.471947 -0.607338 496825 175695 SU968756
SL4 3SY Old Windsor 51.472483 -0.607077 496842 175755 SU968757
SL4 3SZ Old Windsor 51.473191 -0.608352 496752 175832 SU967758
SL4 3TA Old Windsor 51.471896 -0.609082 496704 175687 SU967756
SL4 3TB Clewer East 51.47381 -0.631155 495167 175871 SU951758
SL4 3TD Clewer East 51.478094 -0.629903 495245 176349 SU952763
SL4 3TE Clewer East 51.473817 -0.631745 495126 175871 SU951758
SL4 3TG Clewer East 51.474953 -0.618953 496012 176014 SU960760
SL4 3TH Clewer East 51.470929 -0.622401 495781 175562 SU957755
SL4 3TJ Old Windsor 51.471896 -0.609082 496704 175687 SU967756
SL4 3TL Clewer East 51.474943 -0.618896 496016 176013 SU960760
SL4 3TN Clewer East 51.474909 -0.629826 495257 175995 SU952759
SL4 3TP Clewer East 51.479306 -0.62824 495358 176486 SU953764
SL4 3TQ Clewer East 51.474869 -0.62941 495286 175991 SU952759
SL4 3TR Clewer East 51.474889 -0.628891 495322 175994 SU953759
SL4 3TS Clewer East 51.474617 -0.62946 495283 175963 SU952759
SL4 3TT Clewer East 51.474465 -0.629537 495278 175946 SU952759
SL4 3TU Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3TW Clewer East 51.474298 -0.629024 495314 175928 SU953759
SL4 3UA Clewer East 51.474932 -0.618752 496026 176012 SU960760
SL4 3UB Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3UD Clewer East 51.474904 -0.618667 496032 176009 SU960760
SL4 3UH Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3UJ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3UL Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3UP Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3UR Clewer East 51.474932 -0.618752 496026 176012 SU960760
SL4 3UT Eton & Castle 51.47744 -0.611837 496501 176300 SU965763
SL4 3UU Eton & Castle 51.477859 -0.606986 496837 176353 SU968763
SL4 3UW Eton & Castle 51.475694 -0.61621 496201 176100 SU962761
SL4 3UX Eton & Castle 51.477491 -0.616155 496201 176300 SU962763
SL4 3UY Eton & Castle 51.478373 -0.614688 496301 176400 SU963764
SL4 3UZ Eton & Castle 51.479272 -0.614661 496301 176500 SU963765
SL4 3WA Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3WB Eton & Castle 51.477859 -0.606986 496837 176353 SU968763
SL4 3WD Eton & Castle 51.477859 -0.606986 496837 176353 SU968763
SL4 3WE Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3WF Eton & Castle 51.477859 -0.606986 496837 176353 SU968763
SL4 3WG Eton & Castle 51.477859 -0.606986 496837 176353 SU968763
SL4 3WH Eton & Castle 51.477859 -0.606986 496837 176353 SU968763
SL4 3WJ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3WN Clewer East 51.478915 -0.623283 495703 176449 SU957764
SL4 3WP Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3WQ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3WR Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3WS Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3WT Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3WU Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3WW Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3WX Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3WY Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3WZ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3XD Clewer East 51.474932 -0.618752 496026 176012 SU960760
SL4 3XE Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3XF Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3XG Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3XH Clewer East 51.474943 -0.618896 496016 176013 SU960760
SL4 3XJ Eton & Castle 51.479272 -0.614661 496301 176500 SU963765
SL4 3XL Clewer East 51.474932 -0.618752 496026 176012 SU960760
SL4 3XN Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3XP Clewer East 51.474932 -0.618752 496026 176012 SU960760
SL4 3XQ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3XR Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3XS Clewer East 51.474904 -0.618667 496032 176009 SU960760
SL4 3XT Clewer East 51.474932 -0.618752 496026 176012 SU960760
SL4 3XU Clewer East 51.474932 -0.618752 496026 176012 SU960760
SL4 3XW Eton & Castle 51.479272 -0.614661 496301 176500 SU963765
SL4 3XX Clewer East 51.474943 -0.618896 496016 176013 SU960760
SL4 3XY Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3XZ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3YA Clewer East 51.474932 -0.618752 496026 176012 SU960760
SL4 3YB Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3YD Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3YE Clewer East 51.474997 -0.633509 495001 176000 SU950760
SL4 3YF Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3YG Clewer East 51.474997 -0.633509 495001 176000 SU950760
SL4 3YH Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3YJ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3YL Clewer East 51.478796 -0.62382 495666 176435 SU956764
SL4 3YN Clewer East 51.474932 -0.618752 496026 176012 SU960760
SL4 3YP Clewer East 51.474943 -0.618896 496016 176013 SU960760
SL4 3YQ Clewer East 51.474997 -0.633509 495001 176000 SU950760
SL4 3YR Clewer East 51.474943 -0.618896 496016 176013 SU960760
SL4 3YS Clewer East 51.474953 -0.618953 496012 176014 SU960760
SL4 3YT Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3YU Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
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




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