Postcodes in Windsor and Maidenhead page 16 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 58,390 households with a population of about 144,657

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 4NZ Clewer & Dedworth West 51.473752 -0.647067 494062 175844 SU940758
SL4 4PA Clewer & Dedworth West 51.473847 -0.648463 493965 175853 SU939758
SL4 4PB Clewer & Dedworth West 51.47356 -0.648529 493961 175821 SU939758
SL4 4PD Clewer & Dedworth West 51.474918 -0.648532 493958 175972 SU939759
SL4 4PE Clewer & Dedworth West 51.476136 -0.648107 493985 176108 SU939761
SL4 4PF Clewer & Dedworth West 51.473848 -0.650868 493798 175850 SU937758
SL4 4PG Clewer & Dedworth West 51.473917 -0.652176 493707 175856 SU937758
SL4 4PH Clewer & Dedworth West 51.47434 -0.65225 493701 175903 SU937759
SL4 4PJ Clewer & Dedworth West 51.475741 -0.651287 493765 176060 SU937760
SL4 4PL Clewer & Dedworth West 51.474591 -0.650644 493812 175933 SU938759
SL4 4PN Clewer & Dedworth West 51.475227 -0.650352 493831 176004 SU938760
SL4 4PP Clewer & Dedworth West 51.476282 -0.652236 493698 176119 SU936761
SL4 4PQ Clewer & Dedworth West 51.476697 -0.651547 493745 176166 SU937761
SL4 4PR Clewer & Dedworth West 51.475121 -0.65214 493707 175990 SU937759
SL4 4PS Clewer & Dedworth West 51.477101 -0.649732 493870 176213 SU938762
SL4 4PT Clewer & Dedworth West 51.477016 -0.652499 493678 176200 SU936762
SL4 4PU Clewer & Dedworth East 51.471016 -0.63232 495092 175559 SU950755
SL4 4PW Clewer & Dedworth West 51.47621 -0.649876 493862 176114 SU938761
SL4 4PY Bray 51.479386 -0.663215 492929 176450 SU929764
SL4 4PZ Bray 51.477008 -0.66916 492521 176178 SU925761
SL4 4QA Bray 51.474381 -0.691368 490984 175858 SU909758
SL4 4QB Bray 51.47852 -0.672633 492277 176342 SU922763
SL4 4QD Bray 51.476687 -0.670382 492437 176141 SU924761
SL4 4QE Bray 51.476209 -0.675767 492064 176081 SU920760
SL4 4QF Bray 51.477209 -0.682157 491618 176184 SU916761
SL4 4QG Bray 51.473454 -0.662859 492966 175791 SU929757
SL4 4QH Bray 51.468283 -0.696984 490606 175173 SU906751
SL4 4QJ Bray 51.468619 -0.704505 490083 175201 SU900752
SL4 4QL Bray 51.469011 -0.704395 490090 175245 SU900752
SL4 4QN Bray 51.469045 -0.708267 489821 175244 SU898752
SL4 4QQ Bray 51.46973 -0.709241 489752 175319 SU897753
SL4 4QZ Clewer & Dedworth East 51.455951 -0.654562 493578 173855 SU935738
SL4 4RA Old Windsor 51.458101 -0.646724 494118 174104 SU941741
SL4 4RB Clewer East 51.472452 -0.632882 495050 175718 SU950757
SL4 4RD Clewer & Dedworth West 51.471031 -0.650706 493815 175537 SU938755
SL4 4RE Clewer & Dedworth West 51.47827 -0.647437 494027 176346 SU940763
SL4 4RJ Old Windsor 51.444941 -0.659646 493247 172624 SU932726
SL4 4RN Clewer & Dedworth West 51.475061 -0.647722 494014 175989 SU940759
SL4 4RQ Bray 51.467092 -0.688728 491182 175051 SU911750
SL4 4RR Bray 51.4671 -0.685374 491415 175056 SU914750
SL4 4RS Bray 51.469738 -0.680907 491720 175355 SU917753
SL4 4SX Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4TQ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4UJ Clewer & Dedworth East 51.463477 -0.648266 494000 174700 SU939747
SL4 4UL Clewer & Dedworth East 51.470391 -0.648162 493993 175469 SU939754
SL4 4UN Clewer & Dedworth East 51.470516 -0.644228 494266 175488 SU942754
SL4 4UP Clewer & Dedworth East 51.471456 -0.642974 494351 175594 SU943755
SL4 4UR Clewer & Dedworth East 51.470377 -0.639236 494613 175479 SU946754
SL4 4US Clewer & Dedworth West 51.479867 -0.656652 493384 176512 SU933765
SL4 4UT Clewer & Dedworth East 51.467308 -0.641314 494475 175135 SU944751
SL4 4UU Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4UW Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4UX Clewer & Dedworth West 51.478488 -0.655612 493459 176360 SU934763
SL4 4UY Clewer & Dedworth West 51.471031 -0.650706 493815 175537 SU938755
SL4 4UZ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4WA Clewer & Dedworth West 51.477498 -0.647707 494010 176260 SU940762
SL4 4WB Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4WD Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4WE Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4WF Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4WG Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4WH Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4WJ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4WL Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4WN Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4WP Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4WQ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4WR Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4WS Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4WT Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4WU Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4WW Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4WX Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4WY Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4WZ Eton & Castle 51.481162 -0.610401 496593 176716 SU965767
SL4 4XA Clewer & Dedworth West 51.478552 -0.656475 493399 176366 SU933763
SL4 4XB Clewer & Dedworth West 51.477043 -0.655064 493500 176200 SU935761
SL4 4XD Clewer & Dedworth West 51.478122 -0.658172 493282 176316 SU932763
SL4 4XE Clewer & Dedworth West 51.478074 -0.657151 493353 176312 SU933763
SL4 4XF Clewer & Dedworth West 51.477805 -0.657202 493350 176282 SU933762
SL4 4XG Clewer & Dedworth West 51.478084 -0.656402 493405 176314 SU934763
SL4 4XH Clewer & Dedworth West 51.477246 -0.657075 493360 176220 SU933762
SL4 4XJ Clewer & Dedworth West 51.477003 -0.657082 493360 176193 SU933761
SL4 4XL Clewer & Dedworth West 51.477241 -0.655836 493446 176221 SU934762
SL4 4XN Clewer & Dedworth West 51.47668 -0.657091 493360 176157 SU933761
SL4 4XP Clewer & Dedworth West 51.475524 -0.65813 493290 176027 SU932760
SL4 4XQ Clewer & Dedworth West 51.477494 -0.656779 493380 176248 SU933762
SL4 4XR Clewer & Dedworth West 51.476088 -0.656475 493404 176092 SU934760
SL4 4XS Clewer & Dedworth West 51.476432 -0.655846 493447 176131 SU934761
SL4 4XT Clewer & Dedworth West 51.476048 -0.656102 493430 176088 SU934760
SL4 4XU Clewer & Dedworth West 51.475529 -0.656333 493415 176030 SU934760
SL4 4XW Clewer & Dedworth West 51.4766 -0.658001 493297 176147 SU932761
SL4 4XX Clewer & Dedworth West 51.475243 -0.657277 493350 175997 SU933759
SL4 4XY Clewer & Dedworth West 51.475187 -0.656329 493416 175992 SU934759
SL4 4XZ Clewer & Dedworth West 51.475344 -0.655863 493448 176010 SU934760
SL4 4YA Clewer & Dedworth West 51.474515 -0.6557 493461 175918 SU934759
SL4 4YB Clewer & Dedworth West 51.474415 -0.65723 493355 175905 SU933759
SL4 4YD Clewer & Dedworth West 51.474189 -0.657135 493362 175880 SU933758
SL4 4YE Clewer & Dedworth West 51.47435 -0.658556 493263 175896 SU932758
SL4 4YF Clewer & Dedworth West 51.47408 -0.658564 493263 175866 SU932758
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