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

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 3UB Castle 51.613837 -3.955092 264729 192368 SS647923
SA1 3UD Castle 51.614428 -3.953586 264835 192431 SS648924
SA1 3UE Castle 51.614634 -3.952035 264943 192451 SS649924
SA1 3UH Castle 51.613927 -3.952915 264880 192374 SS648923
SA1 3UJ Castle 51.613398 -3.954987 264735 192319 SS647923
SA1 3UL Castle 51.612897 -3.957493 264560 192268 SS645922
SA1 3UN Castle 51.613544 -3.958604 264485 192342 SS644923
SA1 3UP Castle 51.612695 -3.959925 264391 192250 SS643922
SA1 3UQ Castle 51.614911 -3.952697 264898 192483 SS648924
SA1 3UR Castle 51.613126 -3.959395 264429 192297 SS644922
SA1 3US Castle 51.614416 -3.95594 264672 192434 SS646924
SA1 3UT Castle 51.614758 -3.953788 264822 192468 SS648924
SA1 3UU Castle 51.614126 -3.955538 264699 192401 SS646924
SA1 3UW Castle 51.613415 -3.958266 264508 192327 SS645923
SA1 3UX Castle 51.615103 -3.952489 264913 192504 SS649925
SA1 3WY Llansamlet 51.647989 -3.923604 267009 196108 SS670961
SA1 3WZ Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 3XA Waterfront 51.615943 -3.940304 265759 192575 SS657925
SA1 3XB Waterfront 51.615768 -3.941149 265700 192557 SS656925
SA1 3XD Waterfront 51.615547 -3.941992 265641 192534 SS656925
SA1 3XE Waterfront 51.615467 -3.942465 265608 192526 SS656925
SA1 3XF Waterfront 51.615362 -3.942822 265583 192515 SS655925
SA1 3XG Waterfront 51.615188 -3.943594 265529 192497 SS655924
SA1 3XH Waterfront 51.614694 -3.944064 265495 192443 SS654924
SA1 3XJ Waterfront 51.619144 -3.923973 266899 192901 SS668929
SA1 3XL Waterfront 51.617518 -3.933683 266222 192738 SS662927
SA1 3XY Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 3XZ Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 3YA Castle 51.615975 -3.950316 265066 192597 SS650925
SA1 3YB Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 3YD Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 3YE Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 3YF Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 3YG Waterfront 51.617518 -3.933683 266222 192738 SS662927
SA1 3YH Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 3YJ Llansamlet 51.647989 -3.923604 267009 196108 SS670961
SA1 3YL Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 3YN Llansamlet 51.647989 -3.923604 267009 196108 SS670961
SA1 3YP Castle 51.615975 -3.950316 265066 192597 SS650925
SA1 3YQ Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 3YR Castle 51.615975 -3.950316 265066 192597 SS650925
SA1 3YS Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 3YT Castle 51.615975 -3.950316 265066 192597 SS650925
SA1 3YU Llansamlet 51.647989 -3.923604 267009 196108 SS670961
SA1 3YW Waterfront 51.619144 -3.923973 266899 192901 SS668929
SA1 3YX Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 3YY Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 3YZ Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 3ZT Llansamlet 51.647989 -3.923604 267009 196108 SS670961
SA1 3ZW Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 3ZX Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 4AB Castle 51.61866 -3.951096 265020 192897 SS650928
SA1 4AD Castle 51.618854 -3.950815 265040 192918 SS650929
SA1 4AE Castle 51.61829 -3.949577 265124 192853 SS651928
SA1 4AF Castle 51.619632 -3.947237 265290 192998 SS652929
SA1 4AG Castle 51.618189 -3.95239 264929 192847 SS649928
SA1 4AH Castle 51.618715 -3.949957 265099 192901 SS650929
SA1 4AJ Castle 51.613643 -3.959143 264448 192354 SS644923
SA1 4AL Castle 51.618769 -3.951057 265023 192909 SS650929
SA1 4AN Castle 51.619002 -3.950533 265060 192934 SS650929
SA1 4AP Castle 51.618281 -3.952278 264937 192857 SS649928
SA1 4AQ Castle 51.618956 -3.950097 265090 192928 SS650929
SA1 4AR Castle 51.617768 -3.952805 264899 192801 SS648928
SA1 4AS Castle 51.617768 -3.952805 264899 192801 SS648928
SA1 4AT Waterfront 51.617133 -3.936888 265999 192701 SS659927
SA1 4AW Castle 51.618869 -3.951004 265027 192920 SS650929
SA1 4AY Castle 51.617759 -3.953354 264861 192801 SS648928
SA1 4AZ Castle 51.617362 -3.953987 264816 192758 SS648927
SA1 4BA Castle 51.616822 -3.955654 264699 192701 SS646927
SA1 4BB Castle 51.617245 -3.954531 264778 192746 SS647927
SA1 4BD Castle 51.617152 -3.954729 264764 192736 SS647927
SA1 4BE Castle 51.616638 -3.955906 264681 192681 SS646926
SA1 4BG Castle 51.616286 -3.956526 264637 192643 SS646926
SA1 4BH Castle 51.616129 -3.956722 264623 192626 SS646926
SA1 4BJ Uplands 51.614976 -3.958463 264499 192501 SS644925
SA1 4BL Uplands 51.615327 -3.95793 264537 192539 SS645925
SA1 4BN Uplands 51.61403 -3.961312 264299 192401 SS642924
SA1 4BP Castle 51.614078 -3.958425 264499 192401 SS644924
SA1 4BQ Castle 51.615729 -3.956994 264603 192582 SS646925
SA1 4DA Castle 51.616798 -3.957097 264599 192701 SS645927
SA1 4DB Castle 51.617572 -3.954877 264755 192783 SS647927
SA1 4DD Castle 51.616822 -3.955654 264699 192701 SS646927
SA1 4DE Castle 51.617497 -3.955062 264742 192775 SS647927
SA1 4DF Castle 51.618001 -3.953942 264821 192829 SS648928
SA1 4DG Castle 51.618394 -3.953049 264884 192871 SS648928
SA1 4DH Castle 51.617003 -3.956109 264668 192722 SS646927
SA1 4DJ Castle 51.618268 -3.953578 264847 192858 SS648928
SA1 4DL Castle 51.617003 -3.956109 264668 192722 SS646927
SA1 4DN Castle 51.617003 -3.956109 264668 192722 SS646927
SA1 4DP Castle 51.617744 -3.954249 264799 192801 SS647928
SA1 4DQ Castle 51.618728 -3.952399 264930 192907 SS649929
SA1 4DR Castle 51.61923 -3.951438 264998 192961 SS649929
SA1 4DS Castle 51.618667 -3.952844 264899 192901 SS648929
SA1 4DT Castle 51.61886 -3.952058 264954 192921 SS649929
SA1 4DU Castle 51.619205 -3.951336 265005 192958 SS650929
SA1 4DW Castle 51.617003 -3.956109 264668 192722 SS646927
SA1 4EH Castle 51.620298 -3.94884 265181 193075 SS651930
SA1 4EJ Castle 51.620512 -3.950034 265099 193101 SS650931
SA1 4EN Castle 51.619614 -3.949995 265099 193001 SS650930
SA1 4EP Castle 51.620512 -3.950034 265099 193101 SS650931
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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