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 CF39 8XE,No,51.619783,-3.440069,300399,192200,ST003922,1998-12-01,2003-10-01,Trealaw,160,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF39 8YE,No,51.619783,-3.440069,300399,192200,ST003922,2000-06-01,2002-04-01,Trealaw,160,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF39 9XD,No,51.619783,-3.440069,300399,192200,ST003922,1998-12-01,2001-12-01,Trealaw,160,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF39 9XJ,No,51.619783,-3.440069,300399,192200,ST003922,2001-06-01,2001-12-01,Trealaw,160,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF39 9XL,No,51.619783,-3.440069,300399,192200,ST003922,1999-12-01,2004-01-01,Trealaw,160,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF39 9XT,No,51.619783,-3.440069,300399,192200,ST003922,2004-04-01,2005-10-01,Trealaw,160,Wales,2025-09-02,Imputed by ONS by reference to surrounding postcode grid references,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 1YB,No,51.619783,-3.440069,300399,192200,ST003922,2001-12-01,2002-10-01,Trealaw,160,Wales,2025-09-02,Imputed by ONS by reference to surrounding postcode grid references,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 1YD,No,51.619783,-3.440069,300399,192200,ST003922,2001-12-01,2002-11-01,Trealaw,160,Wales,2025-09-02,Imputed by ONS by reference to surrounding postcode grid references,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 1YE,No,51.619783,-3.440069,300399,192200,ST003922,1996-06-01,1997-06-01,Trealaw,160,Wales,2025-09-02,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 1YH,No,51.619783,-3.440069,300399,192200,ST003922,1999-06-01,2001-12-01,Trealaw,160,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 1YJ,No,51.619783,-3.440069,300399,192200,ST003922,1999-12-01,2001-12-01,Trealaw,160,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 1YN,No,51.619783,-3.440069,300399,192200,ST003922,2000-12-01,2002-03-01,Trealaw,160,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 1YP,No,51.619783,-3.440069,300399,192200,ST003922,2000-12-01,2003-10-01,Trealaw,160,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 1YQ,No,51.619783,-3.440069,300399,192200,ST003922,2000-12-01,2004-02-01,Trealaw,160,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2BF,Yes,51.617802,-3.430661,301046,191967,ST010919,2014-12-01,,Trealaw,151,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2LG,Yes,51.627780,-3.452213,299576,193106,SS995931,1980-01-01,,Trealaw,147,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001260,Rhondda Cynon Taf 014C,W01001260,Rhondda Cynon Taf 014C CF40 2LH,Yes,51.625906,-3.451792,299601,192897,SS996928,1980-01-01,,Trealaw,151,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2LJ,Yes,51.628397,-3.451756,299609,193174,SS996931,1980-01-01,,Trealaw,150,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001260,Rhondda Cynon Taf 014C,W01001260,Rhondda Cynon Taf 014C CF40 2LQ,Yes,51.626162,-3.452147,299577,192926,SS995929,2014-07-01,,Trealaw,147,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001260,Rhondda Cynon Taf 014C,W01001260,Rhondda Cynon Taf 014C CF40 2NP,Yes,51.621001,-3.449945,299718,192349,SS997923,1980-01-01,,Trealaw,129,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2NR,Yes,51.622842,-3.451593,299608,192556,SS996925,1980-01-01,,Trealaw,128,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001260,Rhondda Cynon Taf 014C,W01001260,Rhondda Cynon Taf 014C CF40 2NS,Yes,51.625716,-3.452581,299546,192877,SS995928,1980-01-01,,Trealaw,140,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001260,Rhondda Cynon Taf 014C,W01001260,Rhondda Cynon Taf 014C CF40 2NT,Yes,51.625434,-3.452846,299527,192846,SS995928,1980-01-01,,Trealaw,136,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001260,Rhondda Cynon Taf 014C,W01001260,Rhondda Cynon Taf 014C CF40 2NU,Yes,51.625809,-3.453104,299510,192888,SS995928,1980-01-01,,Trealaw,134,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001260,Rhondda Cynon Taf 014C,W01001260,Rhondda Cynon Taf 014C CF40 2NW,Yes,51.623352,-3.452534,299544,192614,SS995926,1994-12-01,,Trealaw,127,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001260,Rhondda Cynon Taf 014C,W01001260,Rhondda Cynon Taf 014C CF40 2NX,Yes,51.622330,-3.451562,299609,192499,SS996924,1980-01-01,,Trealaw,126,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001260,Rhondda Cynon Taf 014C,W01001260,Rhondda Cynon Taf 014C CF40 2NY,Yes,51.618599,-3.442719,300213,192072,ST002920,1980-01-01,,Trealaw,140,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2NZ,Yes,51.618945,-3.437977,300542,192104,ST005921,1980-01-01,,Trealaw,150,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2PA,Yes,51.618845,-3.438826,300483,192094,ST004920,1980-01-01,,Trealaw,146,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2PB,Yes,51.618297,-3.432829,300897,192025,ST008920,1980-01-01,,Trealaw,155,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2PD,Yes,51.617714,-3.431987,300954,191959,ST009919,1980-01-01,,Trealaw,147,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2PE,Yes,51.618075,-3.434093,300809,192002,ST008920,1980-01-01,,Trealaw,149,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2PF,Yes,51.617732,-3.433461,300852,191963,ST008919,1980-01-01,,Trealaw,149,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2PG,Yes,51.617928,-3.434334,300792,191986,ST007919,1980-01-01,,Trealaw,146,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2PH,No,51.617139,-3.435652,300699,191900,ST006919,1980-01-01,1994-05-01,Trealaw,126,Wales,2025-09-02,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2PJ,Yes,51.617452,-3.435792,300690,191935,ST006919,1980-01-01,,Trealaw,130,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2PL,Yes,51.618254,-3.438605,300497,192028,ST004920,1980-01-01,,Trealaw,134,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2PN,Yes,51.618497,-3.438613,300497,192055,ST004920,1980-01-01,,Trealaw,139,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2PP,No,51.617932,-3.444344,300099,192000,ST000920,1980-01-01,1994-12-01,Trealaw,125,Wales,2025-09-02,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2PQ,Yes,51.617357,-3.433247,300866,191921,ST008919,1980-01-01,,Trealaw,141,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2PR,Yes,51.618447,-3.441905,300269,192054,ST002920,1995-01-01,,Trealaw,137,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2PS,Yes,51.617263,-3.443875,300130,191925,ST001919,1997-06-01,,Trealaw,125,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2PT,Yes,51.619959,-3.441100,300328,192221,ST003922,1994-12-01,,Trealaw,164,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2PU,Yes,51.619313,-3.441672,300287,192150,ST002921,1980-01-01,,Trealaw,154,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2PW,Yes,51.618492,-3.438252,300522,192054,ST005920,1980-01-01,,Trealaw,140,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2PX,Yes,51.619614,-3.443560,300157,192186,ST001921,1980-01-01,,Trealaw,156,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2PY,Yes,51.619922,-3.441923,300271,192218,ST002922,1980-01-01,,Trealaw,164,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2PZ,Yes,51.620152,-3.442204,300252,192244,ST002922,1980-01-01,,Trealaw,169,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2QA,Yes,51.619989,-3.443080,300191,192227,ST001922,1980-01-01,,Trealaw,163,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2QB,Yes,51.619429,-3.445432,300027,192168,ST000921,1980-01-01,,Trealaw,143,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2QD,Yes,51.620469,-3.446433,299960,192285,SS999922,1980-01-01,,Trealaw,152,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2QE,Yes,51.620182,-3.446366,299964,192253,SS999922,1980-01-01,,Trealaw,149,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2QF,Yes,51.621887,-3.448876,299794,192446,SS997924,1980-01-01,,Trealaw,145,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2QG,Yes,51.622339,-3.448630,299812,192496,SS998924,1980-01-01,,Trealaw,157,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2QH,Yes,51.625240,-3.450369,299698,192821,SS996928,1980-01-01,,Trealaw,172,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2QJ,Yes,51.623123,-3.450692,299671,192586,SS996925,1980-01-01,,Trealaw,139,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2QL,Yes,51.622476,-3.450657,299672,192514,SS996925,1980-01-01,,Trealaw,133,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2QN,Yes,51.620860,-3.449002,299783,192332,SS997923,1980-01-01,,Trealaw,135,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2QP,Yes,51.618956,-3.441502,300298,192110,ST002921,2016-05-01,,Trealaw,139,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2QQ,Yes,51.623854,-3.450455,299689,192667,SS996926,1980-01-01,,Trealaw,153,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2QW,Yes,51.620476,-3.448080,299846,192288,SS998922,1980-01-01,,Trealaw,139,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2TY,Yes,51.620093,-3.448515,299815,192246,SS998922,1980-01-01,,Trealaw,132,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2UA,Yes,51.619518,-3.447703,299870,192181,SS998921,1980-01-01,,Trealaw,131,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2UB,Yes,51.618914,-3.444910,300062,192110,ST000921,1980-01-01,,Trealaw,138,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001261,Rhondda Cynon Taf 018F,W01001261,Rhondda Cynon Taf 018F CF40 2UD,Yes,51.619161,-3.440902,300340,192132,ST003921,1980-01-01,,Trealaw,151,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2UE,No,51.618866,-3.441485,300299,192100,ST002921,1980-01-01,1994-05-01,Trealaw,146,Wales,2025-09-02,Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2UF,Yes,51.619259,-3.436571,300640,192137,ST006921,1980-01-01,,Trealaw,160,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2UG,Yes,51.618648,-3.433548,300848,192065,ST008920,1980-01-01,,Trealaw,157,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2UH,Yes,51.617493,-3.427993,301230,191929,ST012919,1980-01-01,,Trealaw,142,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2UJ,Yes,51.618575,-3.430671,301047,192053,ST010920,1980-01-01,,Trealaw,161,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2UL,Yes,51.618809,-3.431429,300995,192080,ST009920,1980-01-01,,Trealaw,163,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2UN,Yes,51.619014,-3.432288,300936,192104,ST009921,1980-01-01,,Trealaw,163,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2UP,Yes,51.619311,-3.431532,300989,192136,ST009921,1980-01-01,,Trealaw,170,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2UQ,Yes,51.618214,-3.430804,301037,192013,ST010920,1980-01-01,,Trealaw,155,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2UR,Yes,51.619525,-3.433936,300823,192163,ST008921,1980-01-01,,Trealaw,166,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2US,Yes,51.621193,-3.437947,300549,192354,ST005923,1998-12-01,,Trealaw,193,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2UT,Yes,51.619733,-3.433842,300830,192186,ST008921,1980-01-01,,Trealaw,169,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2UU,Yes,51.619427,-3.435306,300728,192154,ST007921,1980-01-01,,Trealaw,163,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2UW,Yes,51.619091,-3.434110,300810,192115,ST008921,1980-01-01,,Trealaw,163,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2UX,Yes,51.619914,-3.435971,300683,192209,ST006922,1980-01-01,,Trealaw,169,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2UY,Yes,51.620906,-3.437216,300599,192321,ST005923,1980-01-01,,Trealaw,184,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2UZ,Yes,51.619831,-3.438337,300519,192203,ST005922,1980-01-01,,Trealaw,163,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2WA,No,51.619813,-3.438322,300520,192201,ST005922,2002-05-01,2003-09-01,Trealaw,163,Wales,2025-09-02,Imputed by ONS by reference to surrounding postcode grid references,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2XA,Yes,51.620327,-3.438974,300476,192259,ST004922,1980-01-01,,Trealaw,173,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2XB,Yes,51.619986,-3.439585,300433,192222,ST004922,1980-01-01,,Trealaw,164,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E CF40 2XD,Yes,51.622101,-3.452624,299535,192475,SS995924,1980-01-01,,Trealaw,127,Wales,2025-09-02,Within the building of the matched address closest to the postcode mean,W01001260,Rhondda Cynon Taf 014C,W01001260,Rhondda Cynon Taf 014C CF40 2YF,No,51.619783,-3.440069,300399,192200,ST003922,2004-04-01,2005-10-01,Trealaw,160,Wales,2025-09-02,Imputed by ONS by reference to surrounding postcode grid references,W01001259,Rhondda Cynon Taf 018E,W01001259,Rhondda Cynon Taf 018E