Postcodes in Swansea page 2 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 1GJ Mynydd-bach 51.671901 -3.942118 265799 198801 SS657988
SA1 1GL Mynydd-bach 51.671901 -3.942118 265799 198801 SS657988
SA1 1GN Mynydd-bach 51.671901 -3.942118 265799 198801 SS657988
SA1 1GP Castle 51.619872 -3.939822 265804 193011 SS658930
SA1 1GQ Mynydd-bach 51.671901 -3.942118 265799 198801 SS657988
SA1 1GR Castle 51.619872 -3.939822 265804 193011 SS658930
SA1 1GS Mynydd-bach 51.671901 -3.942118 265799 198801 SS657988
SA1 1GT Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 1GU Mynydd-bach 51.671901 -3.942118 265799 198801 SS657988
SA1 1GW Mynydd-bach 51.671901 -3.942118 265799 198801 SS657988
SA1 1GX Mynydd-bach 51.671901 -3.942118 265799 198801 SS657988
SA1 1GY Mynydd-bach 51.671901 -3.942118 265799 198801 SS657988
SA1 1GZ Mynydd-bach 51.671901 -3.942118 265799 198801 SS657988
SA1 1HA Castle 51.618859 -3.941296 265699 192901 SS656929
SA1 1HB Castle 51.620608 -3.94426 265499 193101 SS654931
SA1 1HD Castle 51.621516 -3.94752 265276 193208 SS652932
SA1 1HE Castle 51.632667 -3.94807 265271 194449 SS652944
SA1 1HF Castle 51.621501 -3.941914 265664 193196 SS656931
SA1 1HG Castle 51.633887 -3.948224 265264 194585 SS652945
SA1 1HH Castle 51.618859 -3.941296 265699 192901 SS656929
SA1 1HJ Uplands 51.619493 -3.957213 264599 193001 SS645930
SA1 1HL Castle 51.619662 -3.947108 265299 193001 SS652930
SA1 1HN Waterfront 51.619829 -3.937003 265999 193001 SS659930
SA1 1HP Castle 51.626499 -3.940958 265745 193750 SS657937
SA1 1HQ Llansamlet 51.647963 -3.924051 266978 196106 SS669961
SA1 1HR Castle 51.618882 -3.939852 265799 192901 SS657929
SA1 1HS Castle 51.630827 -3.944061 265543 194237 SS655942
SA1 1HT Castle 51.630493 -3.944683 265499 194201 SS654942
SA1 1HU Castle 51.629777 -3.943366 265588 194119 SS655941
SA1 1HW Castle 51.633783 -3.949087 265204 194575 SS652945
SA1 1HX Castle 51.626023 -3.943047 265599 193700 SS655937
SA1 1HY Castle 51.621232 -3.941845 265668 193166 SS656931
SA1 1HZ Castle 51.620919 -3.941745 265674 193131 SS656931
SA1 1JA Castle 51.617412 -3.942881 265585 192743 SS655927
SA1 1JB Castle 51.621605 -3.941586 265687 193207 SS656932
SA1 1JD Castle 51.620632 -3.942816 265599 193101 SS655931
SA1 1JE Castle 51.620666 -3.942384 265629 193104 SS656931
SA1 1JF Castle 51.621143 -3.94239 265630 193157 SS656931
SA1 1JG Castle 51.621108 -3.941753 265674 193152 SS656931
SA1 1JH Castle 51.621108 -3.941753 265674 193152 SS656931
SA1 1JJ Castle 51.620632 -3.942816 265599 193101 SS655931
SA1 1JL Castle 51.621531 -3.942854 265599 193201 SS655932
SA1 1JN Waterfront 51.613962 -3.943181 265554 192360 SS655923
SA1 1JP Castle 51.619872 -3.939822 265804 193011 SS658930
SA1 1JQ Castle 51.620778 -3.94158 265685 193115 SS656931
SA1 1JR Castle 51.626326 -3.941095 265735 193731 SS657937
SA1 1JS Castle 51.626326 -3.941095 265735 193731 SS657937
SA1 1JT Castle 51.626326 -3.941095 265735 193731 SS657937
SA1 1JU Castle 51.620632 -3.942816 265599 193101 SS655931
SA1 1JW Waterfront 51.613962 -3.943181 265554 192360 SS655923
SA1 1JX Castle 51.619872 -3.939822 265804 193011 SS658930
SA1 1JZ Waterfront 51.614619 -3.932852 266271 192414 SS662924
SA1 1LA Castle 51.624201 -3.942347 265642 193497 SS656934
SA1 1LB Waterfront 51.614161 -3.942063 265632 192380 SS656923
SA1 1LD Castle 51.624201 -3.942347 265642 193497 SS656934
SA1 1LE Castle 51.622048 -3.942573 265620 193258 SS656932
SA1 1LF Castle 51.622704 -3.942601 265620 193331 SS656933
SA1 1LG Castle 51.62331 -3.942353 265639 193398 SS656933
SA1 1LH Castle 51.619507 -3.943418 265554 192977 SS655929
SA1 1LJ Castle 51.624152 -3.942027 265664 193491 SS656934
SA1 1LL Castle 51.626348 -3.942974 265605 193737 SS656937
SA1 1LN Castle 51.625705 -3.94166 265694 193663 SS656936
SA1 1LP Castle 51.628543 -3.941291 265728 193978 SS657939
SA1 1LQ Castle 51.623812 -3.942475 265632 193454 SS656934
SA1 1LR Castle 51.623393 -3.942819 265607 193408 SS656934
SA1 1LS Castle 51.623812 -3.942461 265633 193454 SS656934
SA1 1LT Castle 51.624233 -3.942002 265666 193500 SS656934
SA1 1LU Castle 51.623328 -3.942931 265599 193401 SS655934
SA1 1LW Castle 51.627026 -3.941674 265697 193810 SS656938
SA1 1LX Castle 51.618835 -3.942739 265599 192901 SS655929
SA1 1LY Waterfront 51.612652 -3.922283 266997 192176 SS669921
SA1 1LZ Castle 51.628699 -3.942207 265665 193997 SS656939
SA1 1NA Castle 51.626122 -3.941967 265674 193710 SS656937
SA1 1NB Castle 51.628816 -3.941114 265741 194008 SS657940
SA1 1ND Castle 51.626023 -3.943047 265599 193700 SS655937
SA1 1NE Castle 51.626961 -3.941281 265724 193802 SS657938
SA1 1NF Castle 51.627751 -3.941343 265722 193890 SS657938
SA1 1NG Castle 51.624695 -3.941271 265718 193550 SS657935
SA1 1NH Castle 51.627502 -3.941708 265696 193863 SS656938
SA1 1NJ Castle 51.628543 -3.941291 265728 193978 SS657939
SA1 1NL Castle 51.626326 -3.941095 265735 193731 SS657937
SA1 1NN Castle 51.623472 -3.941796 265678 193415 SS656934
SA1 1NP Castle 51.627845 -3.94168 265699 193901 SS656939
SA1 1NQ Castle 51.624412 -3.941519 265700 193519 SS656935
SA1 1NR Castle 51.626946 -3.941641 265699 193801 SS656938
SA1 1NS Castle 51.627174 -3.940351 265789 193824 SS657938
SA1 1NT Castle 51.627531 -3.94051 265779 193864 SS657938
SA1 1NU Castle 51.625193 -3.941075 265733 193605 SS657936
SA1 1NW Castle 51.623329 -3.941747 265681 193399 SS656933
SA1 1NX Castle 51.624765 -3.94136 265712 193557 SS657935
SA1 1NY Castle 51.622722 -3.942039 265659 193332 SS656933
SA1 1NZ Castle 51.622146 -3.942057 265656 193268 SS656932
SA1 1PA Castle 51.62425 -3.941526 265699 193501 SS656935
SA1 1PB Castle 51.62444 -3.941491 265702 193522 SS657935
SA1 1PD Castle 51.623838 -3.941422 265705 193455 SS657934
SA1 1PE Castle 51.623852 -3.941697 265686 193457 SS656934
SA1 1PF Castle 51.62425 -3.941526 265699 193501 SS656935
SA1 1PG Waterfront 51.613589 -3.943497 265531 192319 SS655923
SA1 1PH Castle 51.622429 -3.942893 265599 193301 SS655933
SA1 1PJ Castle 51.619113 -3.94603 265372 192938 SS653929
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




© 2026 Chris Bell [ Email ] [ Bluesky ] [ Strava ] [ Privacy ]