Postcodes in Swansea page 8 Unitary Authority

  1. All administrative areas

This page provides postcode data for the Swansea UK Unitary Authority.

In 2021, Swansea contained approximately 105,000 households with a population of about 238,500

In 2011, Swansea contained approximately 103,491 households with a population of about 239,013

Website: https://www.swansea.gov.uk/

Wards in this Unitary Authority
Bishopston ,   Bôn-y-maen ,   Castle ,   Clydach ,   Cockett ,   Cwmbwrla ,   Dunvant and Killay ,   Fairwood ,   Gorseinon and Penyrheol ,   Gower ,   Gowerton ,   Landore ,   Llangyfelach ,   Llansamlet ,   Llwchwr ,   Mayals ,   Morriston ,   Mumbles ,   Mynydd-bach ,   Pen-clawdd ,   Penderry ,   Penllergaer ,   Pennard ,   Pontarddulais ,   Pontlliw and Tircoed ,   Sketty ,   St Thomas ,   Townhill ,   Uplands ,   Waterfront ,   Waunarlwydd ,   West Cross
Parishes in this Unitary Authority
Birchgrove ,   Bishopston ,   Bonymaen ,   Castle ,   Clydach ,   Cockett ,   Cwmbwrla ,   Dunvant ,   Gorseinon ,   Gowerton ,   Grovesend and Waungron ,   Ilston ,   Killay ,   Landore ,   Llangennith, Llanmadoc and Cheriton ,   Llangyfelach ,   Llanrhidian Higher ,   Llanrhidian Lower ,   Llansamlet ,   Llwchwr ,   Mawr ,   Morriston ,   Mumbles ,   Mynyddbach ,   Penderry ,   Penllergaer ,   Pennard ,   Penrice ,   Pontarddulais ,   Pontlliw and Tircoed ,   Port Eynon ,   Reynoldston ,   Rhossili ,   Sketty ,   St Thomas ,   Three Crosses ,   Townhill ,   Uplands ,   Upper Killay ,   Waterfront ,   Waunarlwydd
Key Active postcodeActive postcode Postcode no longer in usePostcode no longer in use

Postcode Ward Latitude Longitude Easting Northing Grid ref
SA1 3LJ Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 3LL Castle 51.618836 -3.942104 265643 192900 SS656928
SA1 3LP Castle 51.618714 -3.942431 265620 192887 SS656928
SA1 3LQ Castle 51.618162 -3.94154 265680 192824 SS656928
SA1 3LR Castle 51.618956 -3.941401 265692 192912 SS656929
SA1 3LS Castle 51.61825 -3.942223 265633 192835 SS656928
SA1 3LT Castle 51.618956 -3.941401 265692 192912 SS656929
SA1 3LU Castle 51.617936 -3.942701 265599 192801 SS655928
SA1 3LW Castle 51.618697 -3.941289 265699 192883 SS656928
SA1 3LX Castle 51.617936 -3.942701 265599 192801 SS655928
SA1 3LY Castle 51.618937 -3.941458 265688 192910 SS656929
SA1 3LZ Castle 51.618126 -3.939372 265830 192816 SS658928
SA1 3NB Castle 51.61796 -3.941257 265699 192801 SS656928
SA1 3ND Castle 51.618551 -3.940849 265729 192866 SS657928
SA1 3NE Castle 51.618039 -3.940307 265765 192808 SS657928
SA1 3NF Castle 51.617412 -3.942881 265585 192743 SS655927
SA1 3NG Castle 51.618022 -3.94243 265618 192810 SS656928
SA1 3NH Castle 51.617412 -3.942881 265585 192743 SS655927
SA1 3NJ Castle 51.618257 -3.93906 265852 192830 SS658928
SA1 3NL Castle 51.61796 -3.941257 265699 192801 SS656928
SA1 3NN Castle 51.61796 -3.941257 265699 192801 SS656928
SA1 3NP Castle 51.61796 -3.941257 265699 192801 SS656928
SA1 3NQ Castle 51.61759 -3.942426 265617 192762 SS656927
SA1 3NS Castle 51.617014 -3.944106 265499 192701 SS654927
SA1 3PA Castle 51.617888 -3.945588 265399 192801 SS653928
SA1 3PB Castle 51.617936 -3.942701 265599 192801 SS655928
SA1 3PE Castle 51.61923 -3.944952 265447 192949 SS654929
SA1 3PF Castle 51.61923 -3.944952 265447 192949 SS654929
SA1 3PH Castle 51.618835 -3.942739 265599 192901 SS655929
SA1 3PP Castle 51.619846 -3.941944 265657 193012 SS656930
SA1 3PQ Castle 51.61923 -3.944952 265447 192949 SS654929
SA1 3PR Castle 51.619733 -3.942778 265599 193001 SS655930
SA1 3PS Castle 51.619733 -3.942778 265599 193001 SS655930
SA1 3PT Castle 51.623328 -3.942931 265599 193401 SS655934
SA1 3PU Castle 51.619779 -3.942187 265640 193005 SS656930
SA1 3PX Castle 51.619733 -3.942778 265599 193001 SS655930
SA1 3PY Castle 51.619733 -3.942778 265599 193001 SS655930
SA1 3QA Castle 51.617189 -3.949241 265144 192730 SS651927
SA1 3QE Castle 51.618771 -3.946608 265331 192901 SS653929
SA1 3QF Castle 51.618437 -3.94668 265325 192864 SS653928
SA1 3QG Castle 51.618033 -3.947154 265291 192820 SS652928
SA1 3QH Castle 51.618227 -3.947408 265274 192842 SS652928
SA1 3QJ Castle 51.61802 -3.947934 265237 192820 SS652928
SA1 3QL Castle 51.61817 -3.950266 265076 192841 SS650928
SA1 3QN Castle 51.618599 -3.947713 265254 192884 SS652928
SA1 3QP Castle 51.618382 -3.94675 265320 192858 SS653928
SA1 3QQ Castle 51.618789 -3.947158 265293 192904 SS652929
SA1 3QR Castle 51.61672 -3.947705 265249 192675 SS652926
SA1 3QS Castle 51.616693 -3.948772 265175 192674 SS651926
SA1 3QT Castle 51.616229 -3.946932 265301 192619 SS653926
SA1 3QU Castle 51.618437 -3.94668 265325 192864 SS653928
SA1 3QW Castle 51.618525 -3.945182 265429 192871 SS654928
SA1 3QX Castle 51.617884 -3.945328 265417 192800 SS654927
SA1 3QY Castle 51.617117 -3.948198 265216 192720 SS652927
SA1 3QZ Castle 51.617615 -3.949043 265159 192777 SS651927
SA1 3RA Castle 51.616792 -3.943909 265512 192676 SS655926
SA1 3RB Castle 51.616807 -3.951161 265010 192691 SS650926
SA1 3RD Waterfront 51.616433 -3.938447 265889 192626 SS658926
SA1 3RL Castle 51.62697 -3.940197 265799 193801 SS657938
SA1 3RN Waterfront 51.617061 -3.941219 265699 192701 SS656927
SA1 3RP Castle 51.618859 -3.941296 265699 192901 SS656929
SA1 3RR Castle 51.618859 -3.941296 265699 192901 SS656929
SA1 3RS Castle 51.618859 -3.941296 265699 192901 SS656929
SA1 3RT Castle 51.618567 -3.940445 265757 192867 SS657928
SA1 3RU Waterfront 51.615192 -3.945472 265399 192501 SS653925
SA1 3RW Castle 51.61546 -3.946683 265316 192533 SS653925
SA1 3RX Castle 51.615742 -3.947027 265293 192565 SS652925
SA1 3RY Castle 51.615923 -3.946414 265336 192584 SS653925
SA1 3RZ Waterfront 51.61427 -3.946877 265299 192401 SS652924
SA1 3SA Waterfront 51.614632 -3.945116 265422 192438 SS654924
SA1 3SB Waterfront 51.614963 -3.944639 265456 192474 SS654924
SA1 3SD Waterfront 51.61427 -3.946877 265299 192401 SS652924
SA1 3SE Castle 51.615145 -3.948359 265199 192501 SS651925
SA1 3SF Waterfront 51.614246 -3.948321 265199 192401 SS651924
SA1 3SG Castle 51.622405 -3.944337 265499 193301 SS654933
SA1 3SH Castle 51.615249 -3.947468 265261 192511 SS652925
SA1 3SJ Waterfront 51.613347 -3.948282 265199 192301 SS651923
SA1 3SL Waterfront 51.613371 -3.946839 265299 192301 SS652923
SA1 3SN Waterfront 51.613724 -3.948371 265194 192343 SS651923
SA1 3SQ Castle 51.615587 -3.947685 265247 192549 SS652925
SA1 3SR Castle 51.615387 -3.948904 265162 192529 SS651925
SA1 3SS Waterfront 51.613757 -3.944169 265485 192339 SS654923
SA1 3ST Waterfront 51.616856 -3.94056 265744 192677 SS657926
SA1 3SU Castle 51.616458 -3.95103 265018 192652 SS650926
SA1 3SW Waterfront 51.61392 -3.951181 265000 192370 SS649923
SA1 3SX Castle 51.615121 -3.949803 265099 192501 SS650925
SA1 3SY Castle 51.615767 -3.949874 265096 192573 SS650925
SA1 3TA Castle 51.614972 -3.951154 265005 192487 SS650924
SA1 3TB Castle 51.615941 -3.952366 264924 192597 SS649925
SA1 3TD Castle 51.616376 -3.952211 264936 192645 SS649926
SA1 3TE Castle 51.616352 -3.951488 264986 192641 SS649926
SA1 3TJ Castle 51.615073 -3.95269 264899 192501 SS648925
SA1 3TQ Castle 51.615954 -3.951601 264977 192597 SS649925
SA1 3TS Castle 51.613272 -3.956065 264660 192307 SS646923
SA1 3TT Castle 51.615898 -3.953332 264857 192594 SS648925
SA1 3TU Castle 51.614847 -3.956537 264632 192483 SS646924
SA1 3TX Castle 51.61395 -3.956368 264641 192383 SS646923
SA1 3TY Castle 51.615303 -3.953971 264811 192529 SS648925
SA1 3TZ Castle 51.615048 -3.955765 264686 192504 SS646925
SA1 3UA Castle 51.613407 -3.957139 264586 192324 SS645923
Contains OS data © Crown copyright and database right 2026
Contains Royal Mail data © Royal Mail copyright and database right 2026
Contains National Statistics data © Crown copyright and database rights 2026
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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