Postcodes in Southend-on-Sea page 50 Unitary Authority

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This page provides postcode data for the Southend-on-Sea UK Unitary Authority.

In 2021, Southend-on-Sea contained approximately 78,300 households with a population of about 180,700

In 2011, Southend-on-Sea contained approximately 74,728 households with a population of about 173,767

Wards in this Unitary Authority
Belfairs ,   Blenheim Park ,   Chalkwell ,   Eastwood Park ,   Kursaal ,   Leigh ,   Milton ,   Prittlewell ,   Shoeburyness ,   Southchurch ,   St Laurence ,   St. Luke's ,   Thorpe ,   Victoria ,   West Leigh ,   West Shoebury ,   Westborough
Parishes in this Unitary Authority
Leigh-on-Sea ,   Southend-on-Sea, unparished area
Key Active postcodeActive postcode Postcode no longer in usePostcode no longer in use

Postcode Ward Latitude Longitude Easting Northing Grid ref
SS9 3QW West Leigh 51.550611 0.632815 582636 186809 TQ826868
SS9 3QX West Leigh 51.552908 0.629082 582368 187056 TQ823870
SS9 3QY West Leigh 51.553713 0.628075 582295 187143 TQ822871
SS9 3QZ West Leigh 51.554767 0.627587 582257 187259 TQ822872
SS9 3RA West Leigh 51.553993 0.626389 582177 187170 TQ821871
SS9 3RD West Leigh 51.553433 0.628131 582300 187112 TQ822871
SS9 3RE West Leigh 51.553309 0.626421 582182 187094 TQ821870
SS9 3RF West Leigh 51.553089 0.626611 582196 187070 TQ821870
SS9 3RH West Leigh 51.55196 0.627238 582244 186946 TQ822869
SS9 3RJ West Leigh 51.551882 0.628719 582347 186941 TQ823869
SS9 3RL West Leigh 51.55087 0.628099 582308 186827 TQ823868
SS9 3RP West Leigh 51.551504 0.629491 582402 186900 TQ824869
SS9 3RQ West Leigh 51.5527 0.628334 582317 187031 TQ823870
SS9 3RW West Leigh 51.551537 0.62805 582302 186901 TQ823869
SS9 3SA West Leigh 51.551163 0.637882 582985 186884 TQ829868
SS9 3SB West Leigh 51.551426 0.639008 583062 186916 TQ830869
SS9 3SD West Leigh 51.551845 0.638368 583016 186961 TQ830869
SS9 3SE West Leigh 51.550861 0.638917 583058 186853 TQ830868
SS9 3SF West Leigh 51.551803 0.636621 582895 186952 TQ828869
SS9 3SG West Leigh 51.551828 0.637127 582930 186956 TQ829869
SS9 3SH West Leigh 51.552758 0.638537 583024 187063 TQ830870
SS9 3SJ West Leigh 51.553067 0.635597 582819 187090 TQ828870
SS9 3SL West Leigh 51.551848 0.635411 582811 186954 TQ828869
SS9 3SN West Leigh 51.551885 0.634187 582726 186955 TQ827869
SS9 3SP West Leigh 51.553918 0.63217 582578 187176 TQ825871
SS9 3SQ West Leigh 51.552448 0.638346 583012 187028 TQ830870
SS9 3SR West Leigh 51.553356 0.631935 582564 187112 TQ825871
SS9 3SS West Leigh 51.553488 0.630067 582434 187123 TQ824871
SS9 3ST West Leigh 51.552543 0.63209 582578 187022 TQ825870
SS9 3SU West Leigh 51.552968 0.632014 582571 187070 TQ825870
SS9 3SW West Leigh 51.55311 0.633695 582687 187090 TQ826870
SS9 3SX West Leigh 51.552176 0.632834 582631 186984 TQ826869
SS9 3SY West Leigh 51.55201 0.631814 582561 186963 TQ825869
SS9 3SZ West Leigh 51.551472 0.630932 582502 186901 TQ825869
SS9 3TA West Leigh 51.547815 0.633606 582702 186501 TQ827865
SS9 3TG West Leigh 51.550257 0.640181 583148 186789 TQ831867
SS9 3TH West Leigh 51.550993 0.633833 582705 186854 TQ827868
SS9 3TJ West Leigh 51.552082 0.630996 582504 186968 TQ825869
SS9 3TL West Leigh 51.55355 0.629321 582382 187128 TQ823871
SS9 3TN West Leigh 51.554804 0.628325 582308 187265 TQ823872
SS9 3TQ West Leigh 51.550714 0.637062 582930 186832 TQ829868
SS9 3TR West Leigh 51.556237 0.629808 582405 187428 TQ824874
SS9 3TX West Leigh 51.55588 0.631273 582508 187391 TQ825873
SS9 3TY West Leigh 51.555542 0.630316 582443 187352 TQ824873
SS9 3TZ West Leigh 51.555007 0.632939 582627 187299 TQ826872
SS9 3UA Belfairs 51.551055 0.649445 583787 186900 TQ837869
SS9 3UB West Leigh 51.554402 0.631015 582496 187227 TQ824872
SS9 3UD West Leigh 51.555129 0.631085 582498 187308 TQ824873
SS9 3UE West Leigh 51.554636 0.629412 582384 187249 TQ823872
SS9 3UF West Leigh 51.555103 0.629454 582385 187301 TQ823873
SS9 3UG West Leigh 51.551921 0.638979 583058 186971 TQ830869
SS9 3UH Victoria 51.543527 0.7124 588182 186223 TQ881862
SS9 3UJ Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3UN Belfairs 51.551055 0.649445 583787 186900 TQ837869
SS9 3WA Belfairs 51.551055 0.649445 583787 186900 TQ837869
SS9 3WB Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3WD Belfairs 51.551001 0.649442 583787 186894 TQ837868
SS9 3WE Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3WF Victoria 51.543527 0.7124 588182 186223 TQ881862
SS9 3WG Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3WH Victoria 51.543527 0.7124 588182 186223 TQ881862
SS9 3WJ Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3WL Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3WN Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3WP Victoria 51.543527 0.7124 588182 186223 TQ881862
SS9 3WQ Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3WR Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3WS Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3WT Belfairs 51.551055 0.649445 583787 186900 TQ837869
SS9 3WU Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3WW Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3WX Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3WY Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3WZ Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3XA Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3XB Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3XD Victoria 51.543527 0.7124 588182 186223 TQ881862
SS9 3XE Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3XQ Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3XT Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3YE Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3YX West Leigh 51.554231 0.628206 582302 187200 TQ823872
SS9 3YY Victoria 51.543527 0.7124 588182 186223 TQ881862
SS9 3YZ Belfairs 51.551055 0.649445 583787 186900 TQ837869
SS9 3ZB Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 3ZZ West Leigh 51.554231 0.628206 582302 187200 TQ823872
SS9 4AA Blenheim Park 51.55537 0.666619 584960 187424 TQ849874
SS9 4AB Blenheim Park 51.556502 0.666296 584933 187549 TQ849875
SS9 4AD Belfairs 51.560907 0.650494 583820 187999 TQ838879
SS9 4AE Blenheim Park 51.557256 0.665936 584905 187632 TQ849876
SS9 4AF Blenheim Park 51.557419 0.667475 585011 187654 TQ850876
SS9 4AG Blenheim Park 51.558612 0.668411 585071 187789 TQ850877
SS9 4AH Blenheim Park 51.55807 0.666157 584917 187723 TQ849877
SS9 4AJ Blenheim Park 51.558546 0.66379 584751 187770 TQ847877
SS9 4AL Blenheim Park 51.559291 0.663862 584753 187853 TQ847878
SS9 4AN Blenheim Park 51.559024 0.665318 584855 187827 TQ848878
SS9 4AP Blenheim Park 51.559061 0.662132 584634 187823 TQ846878
SS9 4AQ Blenheim Park 51.558508 0.66624 584921 187772 TQ849877
SS9 4AR Blenheim Park 51.559517 0.66262 584666 187875 TQ846878
SS9 4AS Blenheim Park 51.559796 0.661439 584583 187903 TQ845879
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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