Postcodes in Swansea page 7 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 3AG Castle 51.619302 -3.946544 265337 192960 SS653929
SA1 3AH Castle 51.61992 -3.943479 265551 193023 SS655930
SA1 3AJ Castle 51.619709 -3.944221 265499 193001 SS654930
SA1 3AL Llansamlet 51.647989 -3.923604 267009 196108 SS670961
SA1 3AN Castle 51.618279 -3.950198 265081 192853 SS650928
SA1 3AP Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 3AQ Castle 51.619082 -3.947372 265279 192937 SS652929
SA1 3AR Castle 51.617763 -3.946074 265365 192788 SS653927
SA1 3AS Castle 51.620209 -3.945557 265408 193059 SS654930
SA1 3AT Castle 51.615348 -3.956139 264661 192538 SS646925
SA1 3AU Castle 51.618891 -3.942063 265646 192906 SS656929
SA1 3AW Castle 51.618796 -3.948342 265211 192907 SS652929
SA1 3AX Castle 51.618739 -3.948513 265199 192901 SS651929
SA1 3AY Castle 51.618647 -3.948105 265227 192890 SS652928
SA1 3AZ Castle 51.618653 -3.948278 265215 192891 SS652928
SA1 3BA Castle 51.619613 -3.946803 265320 192995 SS653929
SA1 3BB Castle 51.620232 -3.944186 265503 193059 SS655930
SA1 3BD Castle 51.62069 -3.945289 265428 193112 SS654931
SA1 3BE Castle 51.619302 -3.94874 265185 192964 SS651929
SA1 3BG Castle 51.618873 -3.949111 265158 192917 SS651929
SA1 3BH Castle 51.619358 -3.948598 265195 192970 SS651929
SA1 3BJ Castle 51.619167 -3.94817 265224 192948 SS652929
SA1 3BL Castle 51.619585 -3.946874 265315 192992 SS653929
SA1 3BN Castle 51.619789 -3.945929 265381 193013 SS653930
SA1 3BP Castle 51.619855 -3.945744 265394 193020 SS653930
SA1 3BQ Castle 51.619014 -3.948727 265185 192932 SS651929
SA1 3BR Castle 51.619989 -3.94523 265430 193034 SS654930
SA1 3BS Castle 51.620161 -3.94463 265472 193052 SS654930
SA1 3BT Castle 51.619686 -3.945665 265399 193001 SS653930
SA1 3BU Castle 51.617119 -3.942651 265600 192710 SS655927
SA1 3BW Castle 51.617325 -3.942689 265598 192733 SS655927
SA1 3BX Waterfront 51.616486 -3.942278 265624 192639 SS656926
SA1 3BY Waterfront 51.615842 -3.943175 265560 192569 SS655925
SA1 3BZ Castle 51.620139 -3.944861 265456 193050 SS654930
SA1 3DA Castle 51.618567 -3.940445 265757 192867 SS657928
SA1 3DB Waterfront 51.613724 -3.948371 265194 192343 SS651923
SA1 3DF Castle 51.620299 -3.944983 265448 193068 SS654930
SA1 3DH Castle 51.620265 -3.945444 265416 193065 SS654930
SA1 3DJ Castle 51.620209 -3.945557 265408 193059 SS654930
SA1 3DL Castle 51.619686 -3.945665 265399 193001 SS653930
SA1 3DN Castle 51.620268 -3.946325 265355 193067 SS653930
SA1 3DP Castle 51.619686 -3.945665 265399 193001 SS653930
SA1 3DR Castle 51.619686 -3.945665 265399 193001 SS653930
SA1 3DS Castle 51.619686 -3.945665 265399 193001 SS653930
SA1 3DT Castle 51.619662 -3.947108 265299 193001 SS652930
SA1 3DU Castle 51.617768 -3.952805 264899 192801 SS648928
SA1 3DW Castle 51.61993 -3.94608 265371 193029 SS653930
SA1 3DX Castle 51.621004 -3.947513 265275 193151 SS652931
SA1 3DZ Castle 51.619139 -3.94554 265406 192940 SS654929
SA1 3EA Castle 51.620584 -3.945703 265399 193101 SS653931
SA1 3EB Castle 51.619662 -3.947108 265299 193001 SS652930
SA1 3ED Castle 51.618763 -3.94707 265299 192901 SS652929
SA1 3EE Castle 51.619158 -3.946032 265372 192943 SS653929
SA1 3EF Castle 51.619773 -3.946333 265353 193012 SS653930
SA1 3EG Castle 51.62056 -3.947147 265299 193101 SS652931
SA1 3EH Castle 51.620102 -3.946593 265336 193049 SS653930
SA1 3EJ Castle 51.620464 -3.952921 264899 193101 SS648931
SA1 3EL Castle 51.620683 -3.943555 265548 193108 SS655931
SA1 3EN Castle 51.62067 -3.94705 265306 193113 SS653931
SA1 3EP Castle 51.621296 -3.947265 265293 193183 SS652931
SA1 3EQ Castle 51.619915 -3.94644 265346 193028 SS653930
SA1 3ER Castle 51.62056 -3.947147 265299 193101 SS652931
SA1 3ES Castle 51.621206 -3.946727 265330 193172 SS653931
SA1 3ET Castle 51.621366 -3.945751 265398 193188 SS653931
SA1 3EU Castle 51.621734 -3.946316 265360 193230 SS653932
SA1 3EW Castle 51.62096 -3.947438 265280 193146 SS652931
SA1 3EX Castle 51.621459 -3.947185 265299 193201 SS652932
SA1 3EY Castle 51.621544 -3.947463 265280 193211 SS652932
SA1 3EZ Castle 51.621776 -3.94704 265310 193236 SS653932
SA1 3HA Castle 51.621646 -3.947294 265292 193222 SS652932
SA1 3HD Castle 51.621459 -3.947185 265299 193201 SS652932
SA1 3HE Castle 51.621633 -3.948045 265240 193222 SS652932
SA1 3HH Castle 51.622006 -3.946703 265334 193261 SS653932
SA1 3HJ Castle 51.622006 -3.946703 265334 193261 SS653932
SA1 3HT Castle 51.618406 -3.950695 265047 192868 SS650928
SA1 3HY Castle 51.617981 -3.950301 265073 192820 SS650928
SA1 3HZ Castle 51.618301 -3.951586 264985 192858 SS649928
SA1 3JA Castle 51.617737 -3.952024 264953 192796 SS649927
SA1 3JB Castle 51.617915 -3.951569 264985 192815 SS649928
SA1 3JD Castle 51.617813 -3.951767 264971 192804 SS649928
SA1 3JE Castle 51.617358 -3.952614 264911 192755 SS649927
SA1 3JF Castle 51.617011 -3.951848 264963 192715 SS649927
SA1 3JG Castle 51.617149 -3.95327 264865 192733 SS648927
SA1 3JJ Castle 51.61632 -3.955546 264705 192645 SS647926
SA1 3JL Waterfront 51.619971 -3.928342 266599 193001 SS665930
SA1 3JN Castle 51.616655 -3.954318 264791 192680 SS647926
SA1 3JP Castle 51.615591 -3.956107 264664 192565 SS646925
SA1 3JQ Castle 51.615971 -3.952728 264899 192601 SS648926
SA1 3JR Castle 51.615234 -3.956481 264637 192526 SS646925
SA1 3JS Castle 51.615756 -3.954842 264752 192581 SS647925
SA1 3JT Castle 51.615626 -3.955646 264696 192568 SS646925
SA1 3JU Castle 51.616419 -3.953946 264816 192653 SS648926
SA1 3JW Castle 51.615591 -3.956684 264624 192566 SS646925
SA1 3JX Castle 51.616772 -3.952676 264905 192690 SS649926
SA1 3JY Castle 51.617589 -3.951165 265012 192778 SS650927
SA1 3JZ Castle 51.617583 -3.950428 265063 192776 SS650927
SA1 3LE Castle 51.61759 -3.942426 265617 192762 SS656927
SA1 3LF Castle 51.618303 -3.943381 265553 192843 SS655928
SA1 3LG Castle 51.618356 -3.943383 265553 192849 SS655928
SA1 3LH Castle 51.619582 -3.941587 265681 192982 SS656929
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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