Postcode,In Use?,Latitude,Longitude,Easting,Northing,Grid Ref,Introduced,Terminated,Parish,Altitude,Country,Last Updated,Quality,LSOA Code,LSOA Name,LSOA Code 2021,LSOA Name 2021
AL6 0JE,Yes,51.803057,-0.155187,527298,213211,TL272132,1980-01-01,,"Welwyn Hatfield, unparished area",75,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 1FF,Yes,51.796511,-0.177701,525764,212444,TL257124,2003-02-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 1FG,Yes,51.795790,-0.177005,525814,212365,TL258123,2003-02-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 1FH,Yes,51.796373,-0.178635,525700,212427,TL256124,2003-07-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 1FJ,Yes,51.796687,-0.179202,525660,212461,TL256124,2006-07-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 1FL,Yes,51.797011,-0.179769,525620,212496,TL256124,2006-07-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 1FN,Yes,51.797576,-0.180254,525585,212558,TL255125,2006-07-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 1FP,Yes,51.797396,-0.177956,525744,212542,TL257125,2006-07-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 1FQ,Yes,51.797778,-0.179362,525646,212582,TL256125,2006-01-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 1FR,Yes,51.797576,-0.179689,525624,212559,TL256125,2006-01-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 1FW,Yes,51.798634,-0.180067,525595,212676,TL255126,2012-12-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 1HN,Yes,51.792831,-0.172890,526106,212043,TL261120,1997-12-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 1HQ,Yes,51.793737,-0.174506,525992,212141,TL259121,1997-12-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 1HR,Yes,51.793491,-0.173139,526087,212116,TL260121,1997-12-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 1RY,Yes,51.799255,-0.179520,525631,212746,TL256127,1993-08-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 2AD,Yes,51.799626,-0.181434,525498,212784,TL254127,1980-01-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 2BT,Yes,51.799618,-0.180288,525577,212785,TL255127,2008-10-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 2DA,Yes,51.795533,-0.180728,525558,212330,TL255123,1980-01-01,,"Welwyn Hatfield, unparished area",88,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 2FA,Yes,51.798550,-0.180476,525567,212666,TL255126,2011-08-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 2FF,Yes,51.799965,-0.165640,526586,212849,TL265128,2017-03-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2HF,Yes,51.797002,-0.168791,526377,212514,TL263125,1981-06-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2HG,Yes,51.796833,-0.170074,526289,212493,TL262124,1981-06-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2HH,Yes,51.796261,-0.169126,526356,212431,TL263124,1983-01-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2HJ,Yes,51.796762,-0.171295,526205,212483,TL262124,1983-01-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2HL,Yes,51.794134,-0.171677,526186,212190,TL261121,1983-01-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2HN,Yes,51.795848,-0.169766,526313,212384,TL263123,1983-01-01,,"Welwyn Hatfield, unparished area",79,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2HP,Yes,51.794816,-0.169286,526349,212270,TL263122,1983-07-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2HQ,Yes,51.796751,-0.165350,526615,212492,TL266124,1981-06-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2HR,Yes,51.795191,-0.167951,526440,212314,TL264123,1983-07-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2HS,Yes,51.794771,-0.166401,526548,212270,TL265122,1983-07-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2HT,Yes,51.793868,-0.166148,526568,212170,TL265121,1983-07-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2HU,Yes,51.794062,-0.166503,526543,212191,TL265121,1983-07-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2HW,Yes,51.796151,-0.169551,526327,212418,TL263124,1983-01-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2HX,Yes,51.794388,-0.167780,526454,212225,TL264122,1983-07-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2HY,Yes,51.795711,-0.170178,526285,212368,TL262123,1983-07-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2HZ,Yes,51.795998,-0.171283,526208,212398,TL262123,1983-07-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2JA,Yes,51.795691,-0.171803,526173,212363,TL261123,1983-07-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2JB,Yes,51.797450,-0.167555,526461,212566,TL264125,1983-07-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2JD,Yes,51.797711,-0.168139,526420,212594,TL264125,1983-07-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2JE,No,51.797711,-0.168139,526420,212594,TL264125,2011-08-01,2011-09-01,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2JF,No,51.797936,-0.178543,525702,212601,TL257126,1986-04-01,1995-07-01,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 2JG,Yes,51.795567,-0.173664,526045,212346,TL260123,1985-10-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2JH,Yes,51.796605,-0.172186,526144,212464,TL261124,1985-04-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2JJ,Yes,51.795971,-0.173619,526047,212391,TL260123,1985-04-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2JL,Yes,51.796472,-0.166492,526537,212459,TL265124,1986-04-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2JN,Yes,51.796126,-0.166231,526556,212421,TL265124,1986-04-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2JP,Yes,51.795556,-0.165456,526611,212359,TL266123,1985-04-01,,"Welwyn Hatfield, unparished area",79,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2JQ,Yes,51.795565,-0.172953,526094,212347,TL260123,1984-02-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2JR,Yes,51.795520,-0.165994,526574,212354,TL265123,1985-04-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2JS,Yes,51.796090,-0.167407,526475,212415,TL264124,1985-10-01,,"Welwyn Hatfield, unparished area",79,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2JT,Yes,51.795708,-0.166552,526535,212374,TL265123,1985-10-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2JU,Yes,51.794766,-0.174146,526014,212256,TL260122,1985-04-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2JW,Yes,51.794659,-0.165014,526644,212260,TL266122,1986-07-01,,"Welwyn Hatfield, unparished area",79,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2JX,Yes,51.795306,-0.174182,526010,212316,TL260123,1985-04-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2LA,Yes,51.798015,-0.175494,525912,212615,TL259126,1980-01-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023951,Welwyn Hatfield 005B,E01023951,Welwyn Hatfield 005B
AL7 2LB,Yes,51.798124,-0.176766,525824,212625,TL258126,1980-01-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023951,Welwyn Hatfield 005B,E01023951,Welwyn Hatfield 005B
AL7 2LD,Yes,51.797987,-0.176061,525873,212611,TL258126,1980-01-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023951,Welwyn Hatfield 005B,E01023951,Welwyn Hatfield 005B
AL7 2LE,Yes,51.797090,-0.175589,525908,212512,TL259125,1980-01-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2LF,Yes,51.796742,-0.176358,525856,212472,TL258124,1980-01-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023951,Welwyn Hatfield 005B,E01023951,Welwyn Hatfield 005B
AL7 2LG,Yes,51.796916,-0.174828,525961,212494,TL259124,1980-01-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2LH,Yes,51.795566,-0.175288,525933,212343,TL259123,1980-01-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2LJ,Yes,51.796511,-0.174772,525966,212449,TL259124,1980-01-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2LL,Yes,51.796218,-0.173899,526027,212418,TL260124,1980-01-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2LN,Yes,51.796608,-0.173491,526054,212462,TL260124,1980-01-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2LP,Yes,51.797482,-0.175371,525922,212556,TL259125,1980-01-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2LQ,Yes,51.796188,-0.175988,525883,212411,TL258124,1980-01-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2LR,Yes,51.797610,-0.174336,525993,212572,TL259125,1980-01-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2LS,Yes,51.797338,-0.173041,526083,212544,TL260125,1981-06-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2LT,Yes,51.797346,-0.171808,526168,212547,TL261125,1981-06-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2LW,Yes,51.797031,-0.174127,526009,212508,TL260125,1980-01-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2PA,Yes,51.798201,-0.166074,526561,212652,TL265126,1988-03-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2PB,Yes,51.798497,-0.166599,526524,212684,TL265126,1988-03-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2PD,Yes,51.799200,-0.166701,526515,212762,TL265127,1988-03-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2PE,Yes,51.798904,-0.163914,526708,212734,TL267127,1987-10-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2PF,Yes,51.799185,-0.164627,526658,212764,TL266127,1987-10-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2PG,Yes,51.798637,-0.168710,526378,212696,TL263126,1987-04-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2PH,Yes,51.798534,-0.167279,526477,212687,TL264126,1987-04-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2PJ,Yes,51.798700,-0.168128,526418,212704,TL264127,1987-04-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2PL,Yes,51.798956,-0.167798,526440,212733,TL264127,1987-04-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2PN,Yes,51.799866,-0.162743,526786,212843,TL267128,1990-02-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2PP,Yes,51.802366,-0.165064,526619,213117,TL266131,1990-02-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2PQ,Yes,51.798183,-0.168961,526362,212645,TL263126,1987-04-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2PR,Yes,51.800908,-0.162092,526828,212960,TL268129,1990-02-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2PS,Yes,51.801071,-0.163332,526742,212976,TL267129,1991-01-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2PT,Yes,51.801109,-0.164578,526656,212978,TL266129,1990-02-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2PU,Yes,51.802102,-0.163131,526753,213091,TL267130,1990-02-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2PW,Yes,51.801676,-0.161770,526848,213046,TL268130,1990-02-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2PX,Yes,51.800785,-0.161111,526896,212948,TL268129,1990-02-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2PY,Yes,51.799687,-0.161663,526861,212825,TL268128,1990-02-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2PZ,Yes,51.799942,-0.160115,526967,212856,TL269128,1990-02-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2QA,Yes,51.799686,-0.157573,527143,212832,TL271128,1990-02-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2QB,Yes,51.800397,-0.165042,526626,212898,TL266128,2021-02-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2QD,No,51.801260,-0.161004,526902,213001,TL269130,1990-02-01,1991-12-01,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2QE,No,51.801260,-0.161004,526902,213001,TL269130,1990-02-01,1990-12-01,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2QF,Yes,51.799057,-0.157018,527183,212763,TL271127,1990-07-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2QG,Yes,51.800510,-0.158467,527079,212922,TL270129,1990-07-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2QH,Yes,51.800598,-0.156680,527202,212935,TL272129,1991-09-01,,"Welwyn Hatfield, unparished area",79,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2QJ,Yes,51.801537,-0.159760,526987,213034,TL269130,1993-01-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2QL,Yes,51.801005,-0.157374,527153,212979,TL271129,1993-01-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023950,Welwyn Hatfield 005A,E01023950,Welwyn Hatfield 005A
AL7 2RG,Yes,51.797518,-0.166131,526559,212576,TL265125,1990-02-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2RH,Yes,51.797094,-0.166612,526527,212528,TL265125,1990-02-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2RT,Yes,51.797330,-0.164427,526677,212558,TL266125,2005-03-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2SB,No,51.797518,-0.166131,526559,212576,TL265125,1996-12-01,1997-08-01,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023952,Welwyn Hatfield 005C,E01023952,Welwyn Hatfield 005C
AL7 2TB,No,51.796857,-0.166984,526502,212501,TL265125,1992-08-01,1995-01-01,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2WA,No,51.797094,-0.166612,526527,212528,TL265125,2001-12-01,2004-02-01,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2WB,No,51.797094,-0.166612,526527,212528,TL265125,2001-12-01,2002-11-01,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2WJ,No,51.797094,-0.166612,526527,212528,TL265125,2002-07-01,2006-02-01,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2XH,No,51.797094,-0.166612,526527,212528,TL265125,2003-10-01,2006-03-01,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2XQ,No,51.797094,-0.166612,526527,212528,TL265125,2004-06-01,2006-07-01,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2YZ,No,51.797094,-0.166612,526527,212528,TL265125,2003-07-01,2004-08-01,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Imputed by ONS by reference to surrounding postcode grid references,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 2ZG,No,51.796857,-0.166984,526502,212501,TL265125,1999-06-01,1999-12-01,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023953,Welwyn Hatfield 005D,E01023953,Welwyn Hatfield 005D
AL7 3DA,Yes,51.791632,-0.176201,525881,211904,TL258119,1980-01-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3DB,Yes,51.791930,-0.173361,526076,211942,TL260119,1980-01-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3DD,Yes,51.791485,-0.170783,526255,211897,TL262118,1980-01-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3DE,Yes,51.791555,-0.172956,526105,211901,TL261119,1980-01-01,,"Welwyn Hatfield, unparished area",79,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3DF,Yes,51.791359,-0.175965,525898,211874,TL258118,1980-01-01,,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3DG,Yes,51.790963,-0.174198,526021,211833,TL260118,1980-01-01,,"Welwyn Hatfield, unparished area",79,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3DH,No,51.792454,-0.172963,526102,212001,TL261120,1980-01-01,1997-06-01,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3DJ,Yes,51.792618,-0.171347,526213,212022,TL262120,1980-01-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3DP,No,51.791533,-0.171550,526202,211901,TL262119,1994-12-01,1995-07-01,"Welwyn Hatfield, unparished area",79,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3DQ,Yes,51.791190,-0.169708,526330,211866,TL263118,1980-01-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3DR,No,51.791650,-0.176215,525880,211906,TL258119,1994-12-01,1997-06-01,"Welwyn Hatfield, unparished area",80,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3DW,No,51.791533,-0.171550,526202,211901,TL262119,1994-12-01,1995-07-01,"Welwyn Hatfield, unparished area",79,England,2025-07-23,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3EJ,Yes,51.794950,-0.180229,525594,212266,TL255122,1980-01-01,,"Welwyn Hatfield, unparished area",86,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 3EY,Yes,51.794454,-0.179017,525679,212213,TL256122,1980-01-01,,"Welwyn Hatfield, unparished area",85,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 3EZ,Yes,51.795558,-0.179407,525649,212335,TL256123,1980-01-01,,"Welwyn Hatfield, unparished area",87,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 3HA,Yes,51.795078,-0.178049,525744,212284,TL257122,1980-01-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 3HB,Yes,51.794346,-0.176672,525841,212205,TL258122,1980-01-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 3HD,Yes,51.793708,-0.175537,525921,212136,TL259121,1980-01-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 3HE,Yes,51.793208,-0.175195,525946,212081,TL259120,1980-01-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3HF,Yes,51.792135,-0.175020,525961,211962,TL259119,1980-01-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3HG,Yes,51.792508,-0.174672,525984,212004,TL259120,1980-01-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3HH,Yes,51.792474,-0.177124,525815,211996,TL258119,1980-01-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3HJ,Yes,51.793800,-0.177984,525752,212142,TL257121,1980-01-01,,"Welwyn Hatfield, unparished area",83,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 3HL,Yes,51.792966,-0.176945,525826,212051,TL258120,1980-01-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3HN,Yes,51.793145,-0.176328,525868,212072,TL258120,1980-01-01,,"Welwyn Hatfield, unparished area",82,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3HQ,Yes,51.792297,-0.175579,525922,211979,TL259119,1980-01-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3HW,Yes,51.794395,-0.178062,525745,212208,TL257122,1980-01-01,,"Welwyn Hatfield, unparished area",84,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023944,Welwyn Hatfield 008B,E01023944,Welwyn Hatfield 008B
AL7 3JH,Yes,51.792798,-0.178286,525734,212030,TL257120,1980-01-01,,"Welwyn Hatfield, unparished area",81,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A
AL7 3JJ,Yes,51.791237,-0.176826,525839,211859,TL258118,1980-01-01,,"Welwyn Hatfield, unparished area",79,England,2025-07-23,Within the building of the matched address closest to the postcode mean,E01023943,Welwyn Hatfield 008A,E01023943,Welwyn Hatfield 008A