Postcodes in Windsor and Maidenhead page 10 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 2SN Old Windsor 51.457198 -0.583965 498480 174086 SU984740
SL4 2SP Old Windsor 51.45808 -0.587752 498215 174179 SU982741
SL4 2SQ Old Windsor 51.45225 -0.574892 499121 173548 SU991735
SL4 2SR Old Windsor 51.466164 -0.586279 498300 175080 SU983750
SL4 2SS Old Windsor 51.454571 -0.574993 499109 173806 SU991738
SL4 2ST Old Windsor 51.457683 -0.580956 498688 174144 SU986741
SL4 2SU Old Windsor 51.457302 -0.592641 497877 174086 SU978740
SL4 2SW Old Windsor 51.457355 -0.586537 498301 174100 SU983741
SL4 2SX Old Windsor 51.457311 -0.592641 497877 174087 SU978740
SL4 2SY Old Windsor 51.463777 -0.588138 498176 174812 SU981748
SL4 2SZ Old Windsor 51.463696 -0.586629 498281 174805 SU982748
SL4 2TA Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2TB Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2TH Old Windsor 51.463665 -0.587781 498201 174800 SU982748
SL4 2TJ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2TL Old Windsor 51.457302 -0.592641 497877 174086 SU978740
SL4 2TP Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2TR Old Windsor 51.457311 -0.592641 497877 174087 SU978740
SL4 2TS Old Windsor 51.457337 -0.585098 498401 174100 SU984741
SL4 2TT Old Windsor 51.457337 -0.585098 498401 174100 SU984741
SL4 2UA Old Windsor 51.460968 -0.587865 498201 174500 SU982745
SL4 2UZ Old Windsor 51.453707 -0.582331 498601 173700 SU986737
SL4 2WA Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2WJ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2WS Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2WT Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2WU Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2WW Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2WX Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2WY Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2WZ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2XA Old Windsor 51.457311 -0.592641 497877 174087 SU978740
SL4 2XB Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2XD Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2XH Old Windsor 51.453707 -0.582331 498601 173700 SU986737
SL4 2XJ Old Windsor 51.453707 -0.582331 498601 173700 SU986737
SL4 2XL Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2XN Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2XP Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2XR Old Windsor 51.457311 -0.592641 497877 174087 SU978740
SL4 2XS Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2XT Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2XU Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2XX Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2XY Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2YA Old Windsor 51.457311 -0.592641 497877 174087 SU978740
SL4 2YB Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2YD Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2YH Old Windsor 51.457302 -0.592641 497877 174086 SU978740
SL4 2YJ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2YL Old Windsor 51.457311 -0.592641 497877 174087 SU978740
SL4 2YP Old Windsor 51.457311 -0.592641 497877 174087 SU978740
SL4 2YQ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2YR Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2YS Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2YT Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2YU Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2YX Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2YY Old Windsor 51.453707 -0.582331 498601 173700 SU986737
SL4 2YZ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2ZG Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2ZJ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2ZP Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2ZQ Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2ZR Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2ZS Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 2ZU Eton & Castle 51.481164 -0.610384 496594 176716 SU965767
SL4 3AA Eton & Castle 51.477495 -0.608062 496763 176311 SU967763
SL4 3AB Clewer East 51.474943 -0.618896 496016 176013 SU960760
SL4 3AD Eton & Castle 51.477389 -0.607518 496801 176300 SU968763
SL4 3AE Eton & Castle 51.477417 -0.607604 496795 176303 SU967763
SL4 3AF Eton & Castle 51.476507 -0.608985 496701 176200 SU967762
SL4 3AG Eton & Castle 51.476725 -0.608388 496742 176225 SU967762
SL4 3AH Eton & Castle 51.476811 -0.608846 496710 176234 SU967762
SL4 3AJ Eton & Castle 51.476096 -0.609948 496635 176153 SU966761
SL4 3AL Eton & Castle 51.475555 -0.608309 496750 176095 SU967760
SL4 3AN Eton & Castle 51.475212 -0.611962 496497 176052 SU964760
SL4 3AP Eton & Castle 51.479507 -0.6132 496402 176528 SU964765
SL4 3AQ Eton & Castle 51.475393 -0.610531 496596 176074 SU965760
SL4 3AR Eton & Castle 51.479511 -0.612825 496428 176529 SU964765
SL4 3AS Eton & Castle 51.478832 -0.613162 496406 176453 SU964764
SL4 3AT Eton & Castle 51.479424 -0.613792 496361 176518 SU963765
SL4 3AU Eton & Castle 51.478242 -0.614952 496283 176385 SU962763
SL4 3AW Old Windsor 51.474527 -0.612573 496456 175975 SU964759
SL4 3AX Eton & Castle 51.478912 -0.614614 496305 176460 SU963764
SL4 3AY Eton & Castle 51.478373 -0.614688 496301 176400 SU963764
SL4 3AZ Eton & Castle 51.478371 -0.61296 496421 176402 SU964764
SL4 3BA Eton & Castle 51.479737 -0.615223 496261 176551 SU962765
SL4 3BB Eton & Castle 51.479176 -0.612605 496444 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 51.481164 -0.610384 496594 176716 SU965767
SL4 3BG Eton & Castle 51.476904 -0.614373 496326 176237 SU963762
SL4 3BH Eton & Castle 51.47658 -0.615146 496273 176200 SU962762
SL4 3BJ Eton & Castle 51.475864 -0.613843 496365 176122 SU963761
SL4 3BL Eton & Castle 51.476919 -0.613379 496395 176240 SU963762
SL4 3BN Eton & Castle 51.479682 -0.612071 496480 176549 SU964765
SL4 3BP Eton & Castle 51.479065 -0.612349 496462 176480 SU964764
SL4 3BQ Eton & Castle 51.476833 -0.615181 496270 176228 SU962762
SL4 3BT Eton & Castle 51.479124 -0.611224 496540 176488 SU965764
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