Postcodes in Swansea page 9 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

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 ,   Pontardulais ,   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 3UE Castle 51.614806 -3.952169 264934 192470 SS649924
SA1 3UH Castle 51.613913 -3.952896 264881 192372 SS648923
SA1 3UJ Castle 51.613402 -3.954969 264736 192319 SS647923
SA1 3UL Castle 51.612897 -3.957493 264560 192268 SS645922
SA1 3UN Castle 51.613539 -3.958586 264486 192341 SS644923
SA1 3UP Castle 51.61269 -3.959907 264392 192249 SS643922
SA1 3UQ Castle 51.614906 -3.952679 264899 192482 SS648924
SA1 3UR Castle 51.613122 -3.959376 264430 192296 SS644922
SA1 3US Castle 51.614416 -3.95594 264672 192434 SS646924
SA1 3UT Castle 51.614758 -3.953788 264822 192468 SS648924
SA1 3UU Castle 51.614121 -3.95552 264700 192400 SS646923
SA1 3UW Castle 51.61341 -3.958248 264509 192326 SS645923
SA1 3UX Castle 51.615103 -3.952489 264913 192504 SS649925
SA1 3WY Llansamlet 51.647984 -3.923586 267010 196107 SS670961
SA1 3WZ Llansamlet 51.647959 -3.924033 266979 196105 SS669961
SA1 3XA Waterfront 51.615939 -3.940286 265760 192574 SS657925
SA1 3XB Waterfront 51.615768 -3.941149 265700 192557 SS656925
SA1 3XD Waterfront 51.615542 -3.941974 265642 192533 SS656925
SA1 3XE Waterfront 51.615462 -3.942447 265609 192525 SS656925
SA1 3XF Waterfront 51.615358 -3.942804 265584 192514 SS655925
SA1 3XG Waterfront 51.615183 -3.943576 265530 192496 SS655924
SA1 3XH Waterfront 51.614689 -3.944046 265496 192442 SS654924
SA1 3XJ Waterfront 51.619139 -3.923955 266900 192900 SS668928
SA1 3XL Waterfront 51.617514 -3.933665 266223 192737 SS662927
SA1 3XY Llansamlet 51.647959 -3.924033 266979 196105 SS669961
SA1 3XZ Llansamlet 51.647959 -3.924033 266979 196105 SS669961
SA1 3YA Castle 51.615971 -3.950298 265067 192596 SS650925
SA1 3YB Llansamlet 51.647959 -3.924033 266979 196105 SS669961
SA1 3YD Llansamlet 51.647959 -3.924033 266979 196105 SS669961
SA1 3YE Llansamlet 51.647959 -3.924033 266979 196105 SS669961
SA1 3YF Llansamlet 51.647959 -3.924033 266979 196105 SS669961
SA1 3YG Waterfront 51.617514 -3.933665 266223 192737 SS662927
SA1 3YH Llansamlet 51.647959 -3.924033 266979 196105 SS669961
SA1 3YJ Llansamlet 51.647984 -3.923586 267010 196107 SS670961
SA1 3YL Llansamlet 51.647959 -3.924033 266979 196105 SS669961
SA1 3YN Llansamlet 51.647984 -3.923586 267010 196107 SS670961
SA1 3YP Castle 51.615971 -3.950298 265067 192596 SS650925
SA1 3YQ Llansamlet 51.647959 -3.924033 266979 196105 SS669961
SA1 3YR Castle 51.615971 -3.950298 265067 192596 SS650925
SA1 3YS Llansamlet 51.647959 -3.924033 266979 196105 SS669961
SA1 3YT Castle 51.615971 -3.950298 265067 192596 SS650925
SA1 3YU Llansamlet 51.647984 -3.923586 267010 196107 SS670961
SA1 3YW Waterfront 51.619139 -3.923955 266900 192900 SS668928
SA1 3YX Llansamlet 51.647959 -3.924033 266979 196105 SS669961
SA1 3YY Llansamlet 51.647959 -3.924033 266979 196105 SS669961
SA1 3YZ Llansamlet 51.647959 -3.924033 266979 196105 SS669961
SA1 3ZT Llansamlet 51.647984 -3.923586 267010 196107 SS670961
SA1 3ZW Llansamlet 51.647959 -3.924033 266979 196105 SS669961
SA1 3ZX Llansamlet 51.647959 -3.924033 266979 196105 SS669961
SA1 4AB Castle 51.618655 -3.951077 265021 192896 SS650928
SA1 4AD Castle 51.618849 -3.950797 265041 192917 SS650929
SA1 4AE Castle 51.618285 -3.949559 265125 192852 SS651928
SA1 4AF Castle 51.619052 -3.949162 265155 192937 SS651929
SA1 4AG Castle 51.618184 -3.952372 264930 192846 SS649928
SA1 4AH Castle 51.61871 -3.949939 265100 192900 SS650928
SA1 4AJ Castle 51.613638 -3.959124 264449 192353 SS644923
SA1 4AL Castle 51.618764 -3.951039 265024 192908 SS650929
SA1 4AN Castle 51.619002 -3.950532 265060 192934 SS650929
SA1 4AP Castle 51.618281 -3.952278 264937 192857 SS649928
SA1 4AQ Castle 51.618951 -3.950079 265091 192927 SS650929
SA1 4AR Castle 51.617764 -3.952787 264900 192800 SS649928
SA1 4AS Castle 51.617764 -3.952787 264900 192800 SS649928
SA1 4AT Waterfront 51.617128 -3.93687 266000 192700 SS660926
SA1 4AW Castle 51.618864 -3.950985 265028 192919 SS650929
SA1 4AY Castle 51.617755 -3.953336 264862 192800 SS648928
SA1 4AZ Castle 51.617357 -3.953969 264817 192757 SS648927
SA1 4BA Castle 51.616817 -3.955635 264700 192700 SS647927
SA1 4BB Castle 51.617245 -3.954531 264778 192746 SS647927
SA1 4BD Castle 51.617147 -3.954711 264765 192735 SS647927
SA1 4BE Castle 51.616638 -3.955906 264681 192681 SS646926
SA1 4BG Castle 51.616286 -3.956526 264637 192643 SS646926
SA1 4BH Castle 51.616125 -3.956703 264624 192625 SS646926
SA1 4BJ Uplands 51.614972 -3.958445 264500 192500 SS644925
SA1 4BL Uplands 51.615327 -3.95793 264537 192539 SS645925
SA1 4BN Uplands 51.614025 -3.961293 264300 192400 SS643924
SA1 4BP Castle 51.614073 -3.958406 264500 192400 SS645923
SA1 4BQ Castle 51.615725 -3.956975 264604 192581 SS646925
SA1 4DA Castle 51.616793 -3.957079 264600 192700 SS645927
SA1 4DB Castle 51.617567 -3.954859 264756 192782 SS647927
SA1 4DD Castle 51.616817 -3.955635 264700 192700 SS647927
SA1 4DE Castle 51.617492 -3.955043 264743 192774 SS647927
SA1 4DF Castle 51.617997 -3.953924 264822 192828 SS648928
SA1 4DG Castle 51.618389 -3.953031 264885 192870 SS648928
SA1 4DH Castle 51.616998 -3.956091 264669 192721 SS646927
SA1 4DJ Castle 51.618263 -3.95356 264848 192857 SS648928
SA1 4DL Castle 51.616998 -3.956091 264669 192721 SS646927
SA1 4DN Castle 51.616998 -3.956091 264669 192721 SS646927
SA1 4DP Castle 51.61774 -3.954231 264800 192800 SS647928
SA1 4DQ Castle 51.618728 -3.952399 264930 192907 SS649929
SA1 4DR Castle 51.61923 -3.951438 264998 192961 SS649929
SA1 4DS Castle 51.618662 -3.952826 264900 192900 SS648928
SA1 4DT Castle 51.618855 -3.952039 264955 192920 SS649929
SA1 4DU Castle 51.6192 -3.951318 265006 192957 SS650929
SA1 4DW Castle 51.616998 -3.956091 264669 192721 SS646927
SA1 4EH Castle 51.620294 -3.948822 265182 193074 SS651930
SA1 4EJ Castle 51.620507 -3.950016 265100 193100 SS650930
SA1 4EN Castle 51.619609 -3.949977 265100 193000 SS651930
SA1 4EP Castle 51.620507 -3.950016 265100 193100 SS650930
SA1 4ER Castle 51.620507 -3.950016 265100 193100 SS650930
SA1 4ES Castle 51.6206 -3.949846 265112 193110 SS651931
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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