Postcodes in Windsor and Maidenhead page 13 Unitary Authority

  1. All administrative areas

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 58,390 households with a population of about 144,657

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 3SF Clewer East 51.479262 -0.626141 495504 176484 SU955764
SL4 3SG Old Windsor 51.473227 -0.610008 496637 175834 SU966758
SL4 3SH Clewer East 51.479469 -0.626941 495448 176506 SU954765
SL4 3SJ Eton & Castle 51.474696 -0.61028 496615 175997 SU966759
SL4 3SL Eton & Castle 51.481686 -0.6159 496210 176767 SU962767
SL4 3SN Clewer East 51.473565 -0.631723 495128 175843 SU951758
SL4 3SP Clewer East 51.473553 -0.631508 495143 175842 SU951758
SL4 3SQ Old Windsor 51.474246 -0.611028 496564 175946 SU965759
SL4 3SR Old Windsor 51.472726 -0.615581 496251 175771 SU962757
SL4 3SS Old Windsor 51.474066 -0.610299 496615 175927 SU966759
SL4 3ST Clewer East 51.477042 -0.629375 495284 176233 SU952762
SL4 3SU Old Windsor 51.47259 -0.608602 496736 175765 SU967757
SL4 3SW Clewer East 51.477748 -0.630463 495207 176310 SU952763
SL4 3SX Old Windsor 51.471945 -0.607355 496824 175695 SU968756
SL4 3SY Old Windsor 51.472482 -0.607094 496841 175755 SU968757
SL4 3SZ Old Windsor 51.473189 -0.608368 496751 175832 SU967758
SL4 3TA Old Windsor 51.471894 -0.609098 496703 175687 SU967756
SL4 3TB Clewer East 51.473828 -0.631125 495169 175873 SU951758
SL4 3TD Clewer East 51.478092 -0.62992 495244 176349 SU952763
SL4 3TE Clewer East 51.473883 -0.632059 495104 175878 SU951758
SL4 3TG Clewer East 51.474951 -0.61897 496011 176014 SU960760
SL4 3TH Clewer East 51.470927 -0.622417 495780 175562 SU957755
SL4 3TJ Old Windsor 51.471894 -0.609098 496703 175687 SU967756
SL4 3TL Clewer East 51.474941 -0.618912 496015 176013 SU960760
SL4 3TN Clewer East 51.474908 -0.629842 495256 175995 SU952759
SL4 3TP Clewer East 51.479304 -0.628256 495357 176486 SU953764
SL4 3TQ Clewer East 51.474867 -0.629426 495285 175991 SU952759
SL4 3TR Clewer East 51.474888 -0.628907 495321 175994 SU953759
SL4 3TS Clewer East 51.474617 -0.629446 495284 175963 SU952759
SL4 3TT Clewer East 51.474464 -0.629553 495277 175946 SU952759
SL4 3TU Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3TW Clewer East 51.474296 -0.62904 495313 175928 SU953759
SL4 3UA Clewer East 51.474931 -0.618769 496025 176012 SU960760
SL4 3UB Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3UD Clewer East 51.474903 -0.618683 496031 176009 SU960760
SL4 3UH Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3UJ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3UL Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3UP Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3UR Clewer East 51.474931 -0.618769 496025 176012 SU960760
SL4 3UT Eton & Castle 51.477439 -0.611853 496500 176300 SU964763
SL4 3UU Eton & Castle 51.477858 -0.607002 496836 176353 SU968763
SL4 3UW Eton & Castle 51.475692 -0.616226 496200 176100 SU961760
SL4 3UX Eton & Castle 51.47749 -0.616171 496200 176300 SU962763
SL4 3UY Eton & Castle 51.478372 -0.614705 496300 176400 SU962764
SL4 3UZ Eton & Castle 51.479271 -0.614677 496300 176500 SU963765
SL4 3WA Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3WB Eton & Castle 51.477858 -0.607002 496836 176353 SU968763
SL4 3WD Eton & Castle 51.477858 -0.607002 496836 176353 SU968763
SL4 3WE Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3WF Eton & Castle 51.477858 -0.607002 496836 176353 SU968763
SL4 3WG Eton & Castle 51.477858 -0.607002 496836 176353 SU968763
SL4 3WH Eton & Castle 51.477858 -0.607002 496836 176353 SU968763
SL4 3WJ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3WN Clewer East 51.478914 -0.6233 495702 176449 SU957764
SL4 3WP Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3WQ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3WR Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3WS Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3WT Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3WU Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3WW Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3WX Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3WY Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3WZ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3XD Clewer East 51.474931 -0.618769 496025 176012 SU960760
SL4 3XE Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3XF Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3XG Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3XH Clewer East 51.474941 -0.618912 496015 176013 SU960760
SL4 3XJ Eton & Castle 51.479271 -0.614677 496300 176500 SU963765
SL4 3XL Clewer East 51.474931 -0.618769 496025 176012 SU960760
SL4 3XN Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3XP Clewer East 51.474931 -0.618769 496025 176012 SU960760
SL4 3XQ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3XR Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3XS Clewer East 51.474903 -0.618683 496031 176009 SU960760
SL4 3XT Clewer East 51.474931 -0.618769 496025 176012 SU960760
SL4 3XU Clewer East 51.474931 -0.618769 496025 176012 SU960760
SL4 3XW Eton & Castle 51.479271 -0.614677 496300 176500 SU963765
SL4 3XX Clewer East 51.474941 -0.618912 496015 176013 SU960760
SL4 3XY Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3XZ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3YA Clewer East 51.474931 -0.618769 496025 176012 SU960760
SL4 3YB Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3YD Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3YE Clewer East 51.474996 -0.633526 495000 176000 SU949760
SL4 3YF Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3YG Clewer East 51.474996 -0.633526 495000 176000 SU949760
SL4 3YH Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3YJ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3YL Clewer East 51.478794 -0.623836 495665 176435 SU956764
SL4 3YN Clewer East 51.474931 -0.618769 496025 176012 SU960760
SL4 3YP Clewer East 51.474941 -0.618912 496015 176013 SU960760
SL4 3YQ Clewer East 51.474996 -0.633526 495000 176000 SU949760
SL4 3YR Clewer East 51.474941 -0.618912 496015 176013 SU960760
SL4 3YS Clewer East 51.474951 -0.61897 496011 176014 SU960760
SL4 3YT Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3YU Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3YW Clewer East 51.478794 -0.623836 495665 176435 SU956764
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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