Postcodes in Windsor and Maidenhead page 10 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 2SP Old Windsor 51.458079 -0.587769 498214 174179 SU982741
SL4 2SQ Old Windsor 51.452249 -0.57491 499120 173548 SU991735
SL4 2SR Old Windsor 51.466163 -0.586296 498299 175080 SU982750
SL4 2SS Old Windsor 51.454571 -0.57501 499108 173806 SU991738
SL4 2ST Old Windsor 51.457683 -0.580956 498688 174144 SU986741
SL4 2SU Old Windsor 51.457301 -0.592658 497876 174086 SU978740
SL4 2SW Old Windsor 51.457354 -0.586554 498300 174100 SU982741
SL4 2SX Old Windsor 51.45731 -0.592658 497876 174087 SU978740
SL4 2SY Old Windsor 51.463776 -0.588155 498175 174812 SU981748
SL4 2SZ Old Windsor 51.463695 -0.586646 498280 174805 SU982748
SL4 2TA Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2TB Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2TH Old Windsor 51.463663 -0.587798 498200 174800 SU982747
SL4 2TJ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2TL Old Windsor 51.457301 -0.592658 497876 174086 SU978740
SL4 2TP Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2TR Old Windsor 51.45731 -0.592658 497876 174087 SU978740
SL4 2TS Old Windsor 51.457337 -0.585115 498400 174100 SU983741
SL4 2TT Old Windsor 51.457337 -0.585115 498400 174100 SU983741
SL4 2UA Old Windsor 51.460967 -0.587882 498200 174500 SU981745
SL4 2UZ Old Windsor 51.453706 -0.582349 498600 173700 SU985736
SL4 2WA Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2WJ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2WS Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2WT Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2WU Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2WW Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2WX Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2WY Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2WZ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2XA Old Windsor 51.45731 -0.592658 497876 174087 SU978740
SL4 2XB Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2XD Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2XH Old Windsor 51.453706 -0.582349 498600 173700 SU985736
SL4 2XJ Old Windsor 51.453706 -0.582349 498600 173700 SU985736
SL4 2XL Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2XN Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2XP Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2XR Old Windsor 51.45731 -0.592658 497876 174087 SU978740
SL4 2XS Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2XT Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2XU Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2XX Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2XY Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2YA Old Windsor 51.45731 -0.592658 497876 174087 SU978740
SL4 2YB Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2YD Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2YH Old Windsor 51.457301 -0.592658 497876 174086 SU978740
SL4 2YJ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2YL Old Windsor 51.45731 -0.592658 497876 174087 SU978740
SL4 2YP Old Windsor 51.45731 -0.592658 497876 174087 SU978740
SL4 2YQ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2YR Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2YS Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2YT Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2YU Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2YX Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2YY Old Windsor 51.453706 -0.582349 498600 173700 SU985736
SL4 2YZ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2ZG Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2ZJ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2ZP Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2ZQ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2ZR Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2ZS Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 2ZU Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3AA Eton & Castle 51.477495 -0.608062 496763 176311 SU967763
SL4 3AB Clewer East 51.474941 -0.618912 496015 176013 SU960760
SL4 3AD Eton & Castle 51.477388 -0.607535 496800 176300 SU967763
SL4 3AE Eton & Castle 51.477416 -0.60762 496794 176303 SU967763
SL4 3AF Eton & Castle 51.476506 -0.609001 496700 176200 SU967762
SL4 3AG Eton & Castle 51.476724 -0.608404 496741 176225 SU967762
SL4 3AH Eton & Castle 51.476811 -0.608846 496710 176234 SU967762
SL4 3AJ Eton & Castle 51.476095 -0.609964 496634 176153 SU966761
SL4 3AL Eton & Castle 51.475554 -0.608325 496749 176095 SU967760
SL4 3AN Eton & Castle 51.47521 -0.611978 496496 176052 SU964760
SL4 3AP Eton & Castle 51.479505 -0.613216 496401 176528 SU964765
SL4 3AQ Eton & Castle 51.475391 -0.610547 496595 176074 SU965760
SL4 3AR Eton & Castle 51.47951 -0.612841 496427 176529 SU964765
SL4 3AS Eton & Castle 51.47883 -0.613179 496405 176453 SU964764
SL4 3AT Eton & Castle 51.479422 -0.613809 496360 176518 SU963765
SL4 3AU Eton & Castle 51.47824 -0.614968 496282 176385 SU962763
SL4 3AW Old Windsor 51.474525 -0.612589 496455 175975 SU964759
SL4 3AX Eton & Castle 51.47891 -0.614631 496304 176460 SU963764
SL4 3AY Eton & Castle 51.478372 -0.614705 496300 176400 SU962764
SL4 3AZ Eton & Castle 51.478369 -0.612977 496420 176402 SU964764
SL4 3BA Eton & Castle 51.479737 -0.615223 496261 176551 SU962765
SL4 3BB Eton & Castle 51.479174 -0.612621 496443 176492 SU964764
SL4 3BD Eton & Castle 51.47745 -0.614961 496284 176297 SU962762
SL4 3BE Eton & Castle 51.477691 -0.61481 496294 176324 SU962763
SL4 3BF Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 3BG Eton & Castle 51.476902 -0.614389 496325 176237 SU963762
SL4 3BH Eton & Castle 51.476579 -0.615162 496272 176200 SU962762
SL4 3BJ Eton & Castle 51.475862 -0.613859 496364 176122 SU963761
SL4 3BL Eton & Castle 51.476919 -0.613379 496395 176240 SU963762
SL4 3BN Eton & Castle 51.479681 -0.612087 496479 176549 SU964765
SL4 3BP Eton & Castle 51.479065 -0.612349 496462 176480 SU964764
SL4 3BQ Eton & Castle 51.476831 -0.615198 496269 176228 SU962762
SL4 3BT Eton & Castle 51.479122 -0.61124 496539 176488 SU965764
SL4 3BU Eton & Castle 51.479354 -0.612572 496446 176512 SU964765
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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