W1K 3 postcodes Westminster

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This is a list of postcodes in the W1K 3 area covering the areas of Mayfair (north), Grosvenor Square, Westminster. The area contains approximately 169 households with a population of about 341 (2011 census)

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W1K 4  W1X 0  W1X 9  W1X 7  W1X 8  W1J 5  W1Y 0  W1J 6  W1K 5  W1Y 9 
Key Active postcodeActive postcode Postcode no longer in usePostcode no longer in use
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  • Page 1 of 1 (176 postcodes, 122 active)
Postcode Latitude Longitude Easting Northing Grid reference Active?
W1K 3AA51.511266-0.145771528771180778TQ287807No
W1K 3AB51.51129-0.145641528780180781TQ287807Yes
W1K 3AD51.511315-0.14551528789180784TQ287807Yes
W1K 3AE51.511368-0.14545528793180790TQ287807No
W1K 3AF51.511402-0.14529528804180794TQ288807Yes
W1K 3AG51.511009-0.147727528636180746TQ286807No
W1K 3AH51.509879-0.149085528545180618TQ285806Yes
W1K 3AJ51.510311-0.148563528580180667TQ285806Yes
W1K 3AL51.510294-0.148621528576180665TQ285806Yes
W1K 3AN51.510314-0.14875528567180667TQ285806Yes
W1K 3AP51.510345-0.148979528551180670TQ285806Yes
W1K 3AQ51.509879-0.149085528545180618TQ285806No
W1K 3AR51.510438-0.149163528538180680TQ285806Yes
W1K 3AS51.510484-0.149219528534180685TQ285806Yes
W1K 3AT51.510857-0.149521528512180726TQ285807Yes
W1K 3AU51.510857-0.149521528512180726TQ285807No
W1K 3AW51.510325-0.148879528558180668TQ285806Yes
W1K 3AX51.510857-0.149521528512180726TQ285807Yes
W1K 3AY51.509879-0.149085528545180618TQ285806No
W1K 3AZ51.511559-0.144448528862180813TQ288808Yes
W1K 3BA51.510294-0.148621528576180665TQ285806No
W1K 3BH51.510977-0.148002528617180742TQ286807No
W1K 3BP51.511656-0.146001528754180821TQ287808No
W1K 3BQ51.511741-0.145694528775180831TQ287808No
W1K 3BW51.511473-0.14755528647180798TQ286807No
W1K 3DA51.510731-0.147782528633180715TQ286807Yes
W1K 3DB51.510511-0.147503528653180691TQ286806Yes
W1K 3DD51.510731-0.147782528633180715TQ286807No
W1K 3DE51.511127-0.147809528630180759TQ286807Yes
W1K 3DF51.511054-0.14774528635180751TQ286807No
W1K 3DG51.511127-0.147809528630180759TQ286807No
W1K 3DH51.51129-0.147918528622180777TQ286807No
W1K 3DJ51.510865-0.147157528676180731TQ286807Yes
W1K 3DL51.510965-0.147254528669180742TQ286807Yes
W1K 3DN51.51101-0.147252528669180747TQ286807Yes
W1K 3DP51.511147-0.147347528662180762TQ286807Yes
W1K 3DQ51.511218-0.147863528626180769TQ286807Yes
W1K 3DR51.511201-0.147388528659180768TQ286807Yes
W1K 3DS51.511264-0.1474528658180775TQ286807Yes
W1K 3DT51.511264-0.1474528658180775TQ286807Yes
W1K 3DU51.51111-0.14732528664180758TQ286807Yes
W1K 3DW51.511046-0.147265528668180751TQ286807Yes
W1K 3EA51.511559-0.144448528862180813TQ288808No
W1K 3EF51.511361-0.146704528706180787TQ287807No
W1K 3EG51.511367-0.146473528722180788TQ287807No
W1K 3EH51.510352-0.148273528600180672TQ285806Yes
W1K 3EJ51.510118-0.14772528639180647TQ286806No
W1K 3EL51.511619-0.146521528718180816TQ287808No
W1K 3EP51.510857-0.149521528512180726TQ285807Yes
W1K 3EQ51.510678-0.146718528707180711TQ287807Yes
W1K 3ER51.510857-0.149521528512180726TQ285807Yes
W1K 3HA51.510857-0.149521528512180726TQ285807No
W1K 3HH51.51129-0.148437528586180776TQ285807Yes
W1K 3HJ51.511295-0.147053528682180779TQ286807No
W1K 3HL51.511098-0.149367528522180753TQ285807Yes
W1K 3HN51.511121-0.149164528536180756TQ285807Yes
W1K 3HP51.511276-0.14874528565180774TQ285807Yes
W1K 3HQ51.511958-0.146896528691180853TQ286808No
W1K 3HR51.511299-0.148436528586180777TQ285807No
W1K 3HS51.511299-0.148436528586180777TQ285807No
W1K 3HT51.511386-0.148245528599180787TQ285807Yes
W1K 3HU51.511392-0.148058528612180788TQ286807Yes
W1K 3HW51.511283-0.14861528574180775TQ285807Yes
W1K 3HX51.511425-0.147927528621180792TQ286807No
W1K 3HY51.511473-0.14755528647180798TQ286807Yes
W1K 3HZ51.511566-0.147128528676180809TQ286808Yes
W1K 3JA51.511499-0.147448528654180801TQ286808Yes
W1K 3JB51.51136-0.147194528672180786TQ286807Yes
W1K 3JD51.511295-0.147053528682180779TQ286807No
W1K 3JE51.511535-0.14687528694180806TQ286808Yes
W1K 3JF51.511516-0.146799528699180804TQ286808Yes
W1K 3JG51.511568-0.146725528704180810TQ287808Yes
W1K 3JH51.511657-0.14662528711180820TQ287808Yes
W1K 3JJ51.511673-0.146519528718180822TQ287808No
W1K 3JL51.511662-0.146418528725180821TQ287808Yes
W1K 3JN51.511741-0.146242528737180830TQ287808Yes
W1K 3JP51.511656-0.146001528754180821TQ287808Yes
W1K 3JQ51.511657-0.14662528711180820TQ287808No
W1K 3JR51.511876-0.145112528815180847TQ288808Yes
W1K 3JS51.511807-0.145303528802180839TQ288808Yes
W1K 3JT51.511876-0.145112528815180847TQ288808No
W1K 3JU51.512017-0.144934528827180863TQ288808Yes
W1K 3JW51.511656-0.146001528754180821TQ287808No
W1K 3JX51.512096-0.144859528832180872TQ288808Yes
W1K 3JY51.512114-0.144829528834180874TQ288808Yes
W1K 3JZ51.512174-0.144639528847180881TQ288808Yes
W1K 3LA51.509899-0.148666528574180621TQ285806Yes
W1K 3LB51.512174-0.144639528847180881TQ288808No
W1K 3LD51.510731-0.147782528633180715TQ286807No
W1K 3LE51.510731-0.147782528633180715TQ286807No
W1K 3LF51.511283-0.148595528575180775TQ285807No
W1K 3LG51.511392-0.148058528612180788TQ286807No
W1K 3LH51.511392-0.148058528612180788TQ286807No
W1K 3LJ51.511473-0.14755528647180798TQ286807Yes
W1K 3LL51.511662-0.146418528725180821TQ287808No
W1K 3LN51.512174-0.144639528847180881TQ288808No
W1K 3LP51.510216-0.147659528643180658TQ286806No
W1K 3LQ51.511392-0.148058528612180788TQ286807No
W1K 3LW51.510453-0.147851528629180684TQ286806Yes
W1K 3LZ51.511357-0.145278528805180789TQ288807Yes
W1K 3NA51.510467-0.14762528645180686TQ286806Yes
W1K 3NB51.510467-0.14762528645180686TQ286806Yes
W1K 3ND51.510453-0.147851528629180684TQ286806Yes
W1K 3NE51.510465-0.148052528615180685TQ286806Yes
W1K 3NF51.510335-0.148374528593180670TQ285806Yes
W1K 3NG51.510319-0.14849528585180668TQ285806Yes
W1K 3NH51.509885-0.148883528559180619TQ285806Yes
W1K 3NJ51.509899-0.148666528574180621TQ285806Yes
W1K 3NL51.509934-0.148592528579180625TQ285806Yes
W1K 3NN51.509967-0.148418528591180629TQ285806Yes
W1K 3NP51.510002-0.148316528598180633TQ285806Yes
W1K 3NQ51.509885-0.148883528559180619TQ285806Yes
W1K 3NR51.510035-0.148127528611180637TQ286806Yes
W1K 3NS51.510035-0.148127528611180637TQ286806Yes
W1K 3NT51.510042-0.148026528618180638TQ286806Yes
W1K 3NU51.510067-0.147895528627180641TQ286806Yes
W1K 3NW51.510002-0.148316528598180633TQ285806Yes
W1K 3NX51.510118-0.14772528639180647TQ286806Yes
W1K 3NY51.510216-0.147659528643180658TQ286806Yes
W1K 3PA51.510634-0.146791528702180706TQ287807Yes
W1K 3PB51.510729-0.146528528720180717TQ287807Yes
W1K 3PD51.510775-0.146007528756180723TQ287807Yes
W1K 3PE51.510775-0.146007528756180723TQ287807No
W1K 3PF51.510887-0.145729528775180736TQ287807Yes
W1K 3PG51.510931-0.145655528780180741TQ287807Yes
W1K 3PH51.511036-0.145464528793180753TQ287807Yes
W1K 3PJ51.511149-0.145243528808180766TQ288807Yes
W1K 3PL51.511149-0.145243528808180766TQ288807No
W1K 3PN51.511202-0.14514528815180772TQ288807Yes
W1K 3PP51.511297-0.144949528828180783TQ288807Yes
W1K 3PQ51.510992-0.145552528787180748TQ287807Yes
W1K 3PR51.511341-0.144875528833180788TQ288807Yes
W1K 3PS51.511394-0.144786528839180794TQ288807Yes
W1K 3PT51.511437-0.144684528846180799TQ288807Yes
W1K 3PU51.511472-0.144581528853180803TQ288808Yes
W1K 3PW51.511202-0.14514528815180772TQ288807Yes
W1K 3PX51.510996-0.14633528733180747TQ287807Yes
W1K 3PY51.511122-0.145792528770180762TQ287807Yes
W1K 3PZ51.511454-0.145202528810180800TQ288808Yes
W1K 3QA51.511361-0.146704528706180787TQ287807Yes
W1K 3QB51.511436-0.146312528733180796TQ287807Yes
W1K 3QD51.51146-0.146153528744180799TQ287807Yes
W1K 3QE51.511739-0.145565528784180831TQ287808No
W1K 3QF51.51146-0.146153528744180799TQ287807No
W1K 3QG51.510996-0.14633528733180747TQ287807No
W1K 3QH51.51125-0.145916528761180776TQ287807No
W1K 3QJ51.51132-0.145827528767180784TQ287807No
W1K 3QL51.511319-0.14574528773180784TQ287807No
W1K 3QN51.511319-0.14574528773180784TQ287807No
W1K 3QP51.511368-0.14545528793180790TQ287807No
W1K 3QQ51.511136-0.146094528749180763TQ287807Yes
W1K 3QR51.511368-0.14545528793180790TQ287807No
W1K 3QS51.511368-0.14545528793180790TQ287807No
W1K 3QT51.511368-0.14545528793180790TQ287807Yes
W1K 3QU51.511525-0.145718528774180807TQ287808Yes
W1K 3QW51.511368-0.14545528793180790TQ287807No
W1K 3RA51.510731-0.147782528633180715TQ286807Yes
W1K 3RB51.510587-0.14835528594180698TQ285806Yes
W1K 3RD51.51057-0.148423528589180696TQ285806Yes
W1K 3RE51.510553-0.14851528583180694TQ285806Yes
W1K 3RF51.510537-0.148582528578180692TQ285806Yes
W1K 3RG51.51052-0.14867528572180690TQ285806Yes
W1K 3RH51.510513-0.148828528561180689TQ285806Yes
W1K 3RJ51.510515-0.148915528555180689TQ285806Yes
W1K 3RL51.510918-0.148279528598180735TQ285807Yes
W1K 3RN51.510935-0.148206528603180737TQ286807Yes
W1K 3RQ51.510512-0.148728528568180689TQ285806Yes
W1K 3SA51.510986-0.148002528617180743TQ286807Yes
W1K 3SB51.511086-0.14807528612180754TQ286807Yes
W1K 3SD51.510961-0.148133528608180740TQ286807Yes
W1K 3SE51.511012-0.148477528584180745TQ285807Yes
W1K 3SF51.509882-0.151001528412180615TQ284806Yes
W1K 3SG51.51081-0.148845528559180722TQ285807Yes
W1K 3SH51.510868-0.149059528544180728TQ285807Yes
W1K 3SQ51.510868-0.149059528544180728TQ285807Yes
W1K 3TA51.510731-0.147782528633180715TQ286807Yes
  • Page 1 of 1 (176 postcodes, 122 active)
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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