This page provides postcode data for the Berkshire English ceremonial county. Berkshire contains approximately 340,545 households with a population of about 861,875 (2011 census)
| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| SL1 4QT | 51.519497 | -0.621728 | 495726 | 180964 | SU957809 | Yes |
| SL1 4QU | 51.519328 | -0.618086 | 495979 | 180950 | SU959809 | Yes |
| SL1 4QW | 51.521656 | -0.624906 | 495501 | 181200 | SU955812 | No |
| SL1 4QX | 51.520629 | -0.623971 | 495568 | 181087 | SU955810 | No |
| SL1 4QY | 51.522138 | -0.628423 | 495256 | 181249 | SU952812 | No |
| SL1 4QZ | 51.522252 | -0.622812 | 495645 | 181269 | SU956812 | Yes |
| SL1 4RA | 51.520999 | -0.625574 | 495456 | 181126 | SU954811 | Yes |
| SL1 4RB | 51.520774 | -0.626374 | 495401 | 181100 | SU954811 | No |
| SL1 4RD | 51.521351 | -0.625693 | 495447 | 181165 | SU954811 | Yes |
| SL1 4RE | 51.520774 | -0.626374 | 495401 | 181100 | SU954811 | No |
| SL1 4RF | 51.522624 | -0.633885 | 494876 | 181296 | SU948812 | Yes |
| SL1 4RG | 51.521756 | -0.626503 | 495390 | 181209 | SU953812 | No |
| SL1 4RH | 51.521406 | -0.630405 | 495120 | 181165 | SU951811 | No |
| SL1 4RJ | 51.521595 | -0.626608 | 495383 | 181191 | SU953811 | No |
| SL1 4RL | 51.521595 | -0.626608 | 495383 | 181191 | SU953811 | No |
| SL1 4RN | 51.521047 | -0.626625 | 495383 | 181130 | SU953811 | No |
| SL1 4RP | 51.521624 | -0.627501 | 495321 | 181193 | SU953811 | No |
| SL1 4RQ | 51.521217 | -0.626548 | 495388 | 181149 | SU953811 | No |
| SL1 4RR | 51.522195 | -0.624068 | 495558 | 181261 | SU955812 | No |
| SL1 4RS | 51.522376 | -0.632624 | 494964 | 181270 | SU949812 | No |
| SL1 4RT | 51.520304 | -0.624601 | 495525 | 181050 | SU955810 | No |
| SL1 4RU | 51.522376 | -0.632624 | 494964 | 181270 | SU949812 | No |
| SL1 4RW | 51.521392 | -0.627667 | 495310 | 181167 | SU953811 | No |
| SL1 4RX | 51.520808 | -0.629255 | 495201 | 181100 | SU952811 | No |
| SL1 4RY | 51.520972 | -0.628703 | 495239 | 181119 | SU952811 | Yes |
| SL1 4RZ | 51.52269 | -0.636406 | 494701 | 181300 | SU947813 | No |
| SL1 4SA | 51.520825 | -0.630696 | 495101 | 181100 | SU951811 | No |
| SL1 4SB | 51.522854 | -0.632019 | 495005 | 181324 | SU950813 | No |
| SL1 4SD | 51.522415 | -0.629798 | 495160 | 181278 | SU951812 | No |
| SL1 4SE | 51.522332 | -0.631156 | 495066 | 181267 | SU950812 | No |
| SL1 4SF | 51.522854 | -0.632019 | 495005 | 181324 | SU950813 | No |
| SL1 4SG | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | Yes |
| SL1 4SH | 51.522522 | -0.635878 | 494738 | 181282 | SU947812 | Yes |
| SL1 4SJ | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4SL | 51.522195 | -0.624068 | 495558 | 181261 | SU955812 | No |
| SL1 4SN | 51.525588 | -0.627425 | 495318 | 181634 | SU953816 | No |
| SL1 4SP | 51.524773 | -0.621554 | 495727 | 181551 | SU957815 | Yes |
| SL1 4SQ | 51.521774 | -0.634992 | 494801 | 181200 | SU948812 | No |
| SL1 4SR | 51.524387 | -0.627706 | 495301 | 181500 | SU953815 | No |
| SL1 4SS | 51.52407 | -0.622945 | 495632 | 181471 | SU956814 | Yes |
| SL1 4ST | 51.525596 | -0.623475 | 495592 | 181640 | SU955816 | Yes |
| SL1 4SU | 51.52458 | -0.628868 | 495220 | 181520 | SU952815 | No |
| SL1 4SW | 51.524875 | -0.627158 | 495338 | 181555 | SU953815 | No |
| SL1 4SX | 51.525252 | -0.624797 | 495501 | 181600 | SU955816 | No |
| SL1 4SY | 51.525601 | -0.626228 | 495401 | 181637 | SU954816 | No |
| SL1 4SZ | 51.52108 | -0.617183 | 496038 | 181146 | SU960811 | Yes |
| SL1 4TA | 51.522195 | -0.624054 | 495559 | 181261 | SU955812 | No |
| SL1 4TB | 51.522195 | -0.624068 | 495558 | 181261 | SU955812 | No |
| SL1 4TD | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4TE | 51.524353 | -0.624824 | 495501 | 181500 | SU955815 | No |
| SL1 4TG | 51.523454 | -0.624852 | 495501 | 181400 | SU955814 | No |
| SL1 4TH | 51.523403 | -0.620529 | 495801 | 181400 | SU958814 | No |
| SL1 4TJ | 51.523772 | -0.619826 | 495849 | 181442 | SU958814 | Yes |
| SL1 4TL | 51.522195 | -0.624054 | 495559 | 181261 | SU955812 | No |
| SL1 4TN | 51.524288 | -0.617821 | 495987 | 181502 | SU959815 | Yes |
| SL1 4TP | 51.524013 | -0.617339 | 496021 | 181472 | SU960814 | No |
| SL1 4TQ | 51.523851 | -0.618079 | 495970 | 181453 | SU959814 | Yes |
| SL1 4TR | 51.522195 | -0.624054 | 495559 | 181261 | SU955812 | No |
| SL1 4TS | 51.523752 | -0.618068 | 495971 | 181442 | SU959814 | No |
| SL1 4TT | 51.524517 | -0.62887 | 495220 | 181513 | SU952815 | Yes |
| SL1 4TU | 51.523633 | -0.624053 | 495556 | 181421 | SU955814 | Yes |
| SL1 4TW | 51.523386 | -0.619088 | 495901 | 181400 | SU959814 | No |
| SL1 4TX | 51.520856 | -0.617262 | 496033 | 181121 | SU960811 | No |
| SL1 4TY | 51.523386 | -0.619088 | 495901 | 181400 | SU959814 | No |
| SL1 4TZ | 51.523386 | -0.619088 | 495901 | 181400 | SU959814 | No |
| SL1 4UA | 51.52407 | -0.622945 | 495632 | 181471 | SU956814 | No |
| SL1 4UB | 51.523104 | -0.618808 | 495921 | 181369 | SU959813 | No |
| SL1 4UD | 51.523437 | -0.623411 | 495601 | 181400 | SU956814 | No |
| SL1 4UE | 51.522232 | -0.617335 | 496025 | 181274 | SU960812 | Yes |
| SL1 4UF | 51.523032 | -0.618018 | 495976 | 181362 | SU959813 | Yes |
| SL1 4UG | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4UH | 51.515796 | -0.612212 | 496394 | 180565 | SU963805 | No |
| SL1 4UJ | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4UL | 51.522195 | -0.624068 | 495558 | 181261 | SU955812 | No |
| SL1 4UN | 51.519631 | -0.615569 | 496153 | 180987 | SU961809 | Yes |
| SL1 4UP | 51.522195 | -0.624054 | 495559 | 181261 | SU955812 | No |
| SL1 4UQ | 51.523454 | -0.624852 | 495501 | 181400 | SU955814 | No |
| SL1 4UR | 51.52407 | -0.622945 | 495632 | 181471 | SU956814 | No |
| SL1 4US | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4UT | 51.519719 | -0.61463 | 496218 | 180998 | SU962809 | Yes |
| SL1 4UU | 51.52407 | -0.622945 | 495632 | 181471 | SU956814 | No |
| SL1 4UW | 51.518858 | -0.616342 | 496101 | 180900 | SU961809 | No |
| SL1 4UX | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4UY | 51.52197 | -0.615643 | 496143 | 181247 | SU961812 | No |
| SL1 4UZ | 51.524852 | -0.616031 | 496110 | 181567 | SU961815 | No |
| SL1 4WA | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | Yes |
| SL1 4WB | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4WD | 51.522195 | -0.624054 | 495559 | 181261 | SU955812 | No |
| SL1 4WE | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | Yes |
| SL1 4WN | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4WQ | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4WS | 51.524786 | -0.616566 | 496073 | 181559 | SU960815 | Yes |
| SL1 4WT | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4WU | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4WW | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4WY | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4WZ | 51.524852 | -0.616031 | 496110 | 181567 | SU961815 | No |
| SL1 4XA | 51.521212 | -0.614685 | 496211 | 181164 | SU962811 | Yes |
| SL1 4XB | 51.522668 | -0.616184 | 496104 | 181324 | SU961813 | Yes |
| SL1 4XD | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4XE | 51.523157 | -0.614943 | 496189 | 181380 | SU961813 | Yes |
| SL1 4XF | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4XG | 51.522453 | -0.616233 | 496101 | 181300 | SU961813 | No |
| SL1 4XH | 51.523104 | -0.614959 | 496188 | 181374 | SU961813 | No |
| SL1 4XJ | 51.522195 | -0.624068 | 495558 | 181261 | SU955812 | No |
| SL1 4XL | 51.524868 | -0.615137 | 496172 | 181570 | SU961815 | Yes |
| SL1 4XN | 51.52477 | -0.615212 | 496167 | 181559 | SU961815 | Yes |
| SL1 4XP | 51.52459 | -0.615938 | 496117 | 181538 | SU961815 | Yes |
| SL1 4XQ | 51.522724 | -0.614827 | 496198 | 181332 | SU961813 | Yes |
| SL1 4XR | 51.524987 | -0.616056 | 496108 | 181582 | SU961815 | No |
| SL1 4XS | 51.525555 | -0.616154 | 496100 | 181645 | SU961816 | Yes |
| SL1 4XT | 51.525291 | -0.61818 | 495960 | 181613 | SU959816 | Yes |
| SL1 4XU | 51.524948 | -0.618075 | 495968 | 181575 | SU959815 | Yes |
| SL1 4XW | 51.524747 | -0.615573 | 496142 | 181556 | SU961815 | No |
| SL1 4XX | 51.524955 | -0.620943 | 495769 | 181572 | SU957815 | Yes |
| SL1 4XY | 51.525663 | -0.616222 | 496095 | 181657 | SU960816 | Yes |
| SL1 4XZ | 51.525595 | -0.616498 | 496076 | 181649 | SU960816 | Yes |
| SL1 4YA | 51.524444 | -0.618047 | 495971 | 181519 | SU959815 | Yes |
| SL1 4YB | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4YD | 51.525167 | -0.617592 | 496001 | 181600 | SU960816 | No |
| SL1 4YE | 51.51343 | -0.613625 | 496301 | 180300 | SU963803 | No |
| SL1 4YF | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4YG | 51.51343 | -0.613625 | 496301 | 180300 | SU963803 | No |
| SL1 4YH | 51.522195 | -0.624054 | 495559 | 181261 | SU955812 | No |
| SL1 4YJ | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4YL | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4YN | 51.51343 | -0.613625 | 496301 | 180300 | SU963803 | No |
| SL1 4YP | 51.522195 | -0.624068 | 495558 | 181261 | SU955812 | No |
| SL1 4YQ | 51.51343 | -0.613625 | 496301 | 180300 | SU963803 | No |
| SL1 4YR | 51.518628 | -0.614418 | 496235 | 180877 | SU962808 | No |
| SL1 4YS | 51.518628 | -0.614418 | 496235 | 180877 | SU962808 | No |
| SL1 4YT | 51.518628 | -0.614404 | 496236 | 180877 | SU962808 | No |
| SL1 4YU | 51.522195 | -0.624068 | 495558 | 181261 | SU955812 | No |
| SL1 4YW | 51.524444 | -0.618047 | 495971 | 181519 | SU959815 | No |
| SL1 4YX | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4YY | 51.522195 | -0.624054 | 495559 | 181261 | SU955812 | No |
| SL1 4YZ | 51.51343 | -0.613625 | 496301 | 180300 | SU963803 | No |
| SL1 4ZA | 51.52514 | -0.616036 | 496109 | 181599 | SU961815 | Yes |
| SL1 4ZJ | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4ZL | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 4ZU | 51.517942 | -0.614929 | 496201 | 180800 | SU962808 | No |
| SL1 5AA | 51.514776 | -0.632492 | 494989 | 180425 | SU949804 | Yes |
| SL1 5AB | 51.513949 | -0.627905 | 495309 | 180339 | SU953803 | No |
| SL1 5AD | 51.51314 | -0.623303 | 495630 | 180255 | SU956802 | Yes |
| SL1 5AE | 51.513444 | -0.623943 | 495585 | 180288 | SU955802 | Yes |
| SL1 5AF | 51.50986 | -0.633532 | 494927 | 179877 | SU949798 | Yes |
| SL1 5AG | 51.512866 | -0.624493 | 495548 | 180223 | SU955802 | Yes |
| SL1 5AH | 51.512955 | -0.627459 | 495342 | 180229 | SU953802 | Yes |
| SL1 5AJ | 51.511768 | -0.625204 | 495501 | 180100 | SU955801 | No |
| SL1 5AL | 51.513001 | -0.621434 | 495760 | 180242 | SU957802 | Yes |
| SL1 5AN | 51.512155 | -0.624471 | 495551 | 180144 | SU955801 | Yes |
| SL1 5AP | 51.512728 | -0.6281 | 495298 | 180203 | SU952802 | Yes |
| SL1 5AQ | 51.511011 | -0.63272 | 494981 | 180006 | SU949800 | Yes |
| SL1 5AR | 51.511802 | -0.628085 | 495301 | 180100 | SU953801 | No |
| SL1 5AS | 51.512449 | -0.628036 | 495303 | 180172 | SU953801 | Yes |
| SL1 5AT | 51.515193 | -0.641285 | 494378 | 180460 | SU943804 | No |
| SL1 5AU | 51.513067 | -0.627888 | 495312 | 180241 | SU953802 | No |
| SL1 5AW | 51.509878 | -0.631976 | 495035 | 179881 | SU950798 | Yes |
| SL1 5AX | 51.510547 | -0.633858 | 494903 | 179953 | SU949799 | Yes |
| SL1 5AY | 51.510467 | -0.633889 | 494901 | 179944 | SU949799 | Yes |
| SL1 5AZ | 51.512617 | -0.632427 | 494998 | 180185 | SU949801 | Yes |
| SL1 5BA | 51.51398 | -0.629763 | 495180 | 180340 | SU951803 | Yes |
| SL1 5BB | 51.513882 | -0.631438 | 495064 | 180327 | SU950803 | Yes |
| SL1 5BD | 51.514287 | -0.631411 | 495065 | 180372 | SU950803 | Yes |
| SL1 5BE | 51.514848 | -0.631726 | 495042 | 180434 | SU950804 | Yes |
| SL1 5BF | 51.508272 | -0.584601 | 498326 | 179765 | SU983797 | No |
| SL1 5BG | 51.531544 | -0.624608 | 495501 | 182300 | SU955823 | No |
| SL1 5BH | 51.515717 | -0.634582 | 494842 | 180527 | SU948805 | Yes |
| SL1 5BJ | 51.515947 | -0.634244 | 494865 | 180553 | SU948805 | Yes |
| SL1 5BL | 51.516588 | -0.634398 | 494853 | 180624 | SU948806 | Yes |
| SL1 5BN | 51.517258 | -0.634017 | 494878 | 180699 | SU948806 | Yes |
| SL1 5BP | 51.518019 | -0.63532 | 494786 | 180782 | SU947807 | Yes |
| SL1 5BQ | 51.515102 | -0.633476 | 494920 | 180460 | SU949804 | Yes |
| SL1 5BS | 51.5191 | -0.633976 | 494877 | 180904 | SU948809 | Yes |
| SL1 5BU | 51.518807 | -0.633481 | 494912 | 180872 | SU949808 | Yes |
| SL1 5BW | 51.517448 | -0.634963 | 494812 | 180719 | SU948807 | Yes |
| SL1 5BX | 51.518517 | -0.632495 | 494981 | 180841 | SU949808 | Yes |
| SL1 5BY | 51.517994 | -0.632381 | 494990 | 180783 | SU949807 | Yes |
| SL1 5BZ | 51.517513 | -0.633548 | 494910 | 180728 | SU949807 | Yes |
| SL1 5DA | 51.51737 | -0.632904 | 494955 | 180713 | SU949807 | Yes |
| SL1 5DB | 51.516595 | -0.632711 | 494970 | 180627 | SU949806 | Yes |
| SL1 5DD | 51.516085 | -0.632928 | 494956 | 180570 | SU949805 | Yes |
| SL1 5DE | 51.514142 | -0.624397 | 495552 | 180365 | SU955803 | Yes |
| SL1 5DF | 51.513785 | -0.63232 | 495003 | 180315 | SU950803 | Yes |
| SL1 5DG | 51.51366 | -0.633217 | 494941 | 180300 | SU949803 | Yes |
| SL1 5DH | 51.513336 | -0.633169 | 494945 | 180264 | SU949802 | Yes |
| SL1 5DJ | 51.513011 | -0.63534 | 494795 | 180225 | SU947802 | Yes |
| SL1 5DL | 51.515302 | -0.635964 | 494747 | 180479 | SU947804 | Yes |
| SL1 5DN | 51.515336 | -0.637375 | 494649 | 180481 | SU946804 | Yes |
| SL1 5DP | 51.515873 | -0.637143 | 494664 | 180541 | SU946805 | Yes |
| SL1 5DQ | 51.514838 | -0.636266 | 494727 | 180427 | SU947804 | Yes |
| SL1 5DR | 51.515698 | -0.637523 | 494638 | 180521 | SU946805 | Yes |
| SL1 5DS | 51.514392 | -0.63968 | 494491 | 180373 | SU944803 | Yes |
| SL1 5DT | 51.513374 | -0.634076 | 494882 | 180267 | SU948802 | Yes |
| SL1 5DU | 51.513718 | -0.638965 | 494542 | 180299 | SU945802 | Yes |
| SL1 5DW | 51.515649 | -0.635694 | 494765 | 180518 | SU947805 | Yes |
| SL1 5DX | 51.514184 | -0.638778 | 494554 | 180351 | SU945803 | Yes |
| SL1 5DY | 51.513499 | -0.64024 | 494454 | 180273 | SU944802 | Yes |
| SL1 5DZ | 51.51521 | -0.639685 | 494489 | 180464 | SU944804 | Yes |
| SL1 5EA | 51.514895 | -0.638872 | 494546 | 180430 | SU945804 | Yes |