Postcodes in Southend-on-Sea page 43 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 1HJ Chalkwell 51.541844 0.670155 585260 185929 TQ852859
SS9 1HL Chalkwell 51.542091 0.669549 585217 185954 TQ852859
SS9 1HN Chalkwell 51.54251 0.66891 585171 185999 TQ851859
SS9 1HP Chalkwell 51.542746 0.66803 585109 186023 TQ851860
SS9 1HQ Chalkwell 51.541021 0.669934 585248 185836 TQ852858
SS9 1HR Chalkwell 51.542542 0.667917 585102 186000 TQ851860
SS9 1HS Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 1HT Leigh 51.542145 0.65412 584147 185922 TQ841859
SS9 1HU Chalkwell 51.542542 0.667917 585102 186000 TQ851860
SS9 1HW Chalkwell 51.541851 0.669031 585182 185926 TQ851859
SS9 1HX Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 1HY Chalkwell 51.542542 0.667917 585102 186000 TQ851860
SS9 1HZ Leigh 51.543625 0.662197 584701 186106 TQ847861
SS9 1JA Leigh 51.543142 0.661707 584669 186052 TQ846860
SS9 1JB Leigh 51.542673 0.662155 584702 186000 TQ847860
SS9 1JD Leigh 51.543142 0.661707 584669 186052 TQ846860
SS9 1JE Leigh 51.543112 0.663018 584760 186051 TQ847860
SS9 1JF Leigh 51.543367 0.66485 584886 186084 TQ848860
SS9 1JG Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 1JH Leigh 51.543637 0.666813 585021 186119 TQ850861
SS9 1JJ Leigh 51.543473 0.666529 585002 186100 TQ850861
SS9 1JL Chalkwell 51.543695 0.66784 585092 186128 TQ850861
SS9 1JN Chalkwell 51.543693 0.668706 585152 186130 TQ851861
SS9 1JP Chalkwell 51.544508 0.672446 585408 186231 TQ854862
SS9 1JQ Leigh 51.543551 0.66587 584956 186108 TQ849861
SS9 1JR Chalkwell 51.545082 0.672883 585436 186295 TQ854862
SS9 1JS Leigh 51.543625 0.662197 584701 186106 TQ847861
SS9 1JT Chalkwell 51.54488 0.669929 585232 186266 TQ852862
SS9 1JU Chalkwell 51.545201 0.670438 585266 186303 TQ852863
SS9 1JW Chalkwell 51.543716 0.669688 585220 186136 TQ852861
SS9 1JX Chalkwell 51.544482 0.670425 585268 186223 TQ852862
SS9 1JY Chalkwell 51.545079 0.671845 585364 186293 TQ853862
SS9 1JZ Chalkwell 51.54454 0.671409 585336 186231 TQ853862
SS9 1LA Chalkwell 51.545424 0.670899 585297 186328 TQ852863
SS9 1LB Chalkwell 51.543998 0.673108 585456 186176 TQ854861
SS9 1LD Chalkwell 51.543778 0.671696 585359 186147 TQ853861
SS9 1LE Chalkwell 51.543995 0.67243 585409 186173 TQ854861
SS9 1LF Chalkwell 51.543336 0.669767 585227 186093 TQ852860
SS9 1LG Chalkwell 51.545013 0.668812 585154 186278 TQ851862
SS9 1LH Chalkwell 51.545783 0.669347 585188 186364 TQ851863
SS9 1LJ Chalkwell 51.545141 0.667911 585091 186289 TQ850862
SS9 1LL Chalkwell 51.544925 0.668331 585121 186266 TQ851862
SS9 1LN Leigh 51.545299 0.666925 585022 186305 TQ850863
SS9 1LP Chalkwell 51.544306 0.669463 585202 186201 TQ852862
SS9 1LQ Chalkwell 51.544765 0.669418 585197 186251 TQ851862
SS9 1LR Chalkwell 51.544273 0.670903 585302 186201 TQ853862
SS9 1LS Chalkwell 51.543307 0.668683 585152 186087 TQ851860
SS9 1LT Chalkwell 51.543466 0.673568 585490 186118 TQ854861
SS9 1LU Leigh 51.544371 0.666582 585002 186200 TQ850862
SS9 1LW Chalkwell 51.545153 0.667406 585056 186290 TQ850862
SS9 1LX Leigh 51.543849 0.666609 585006 186143 TQ850861
SS9 1NA Leigh 51.545168 0.665936 584954 186287 TQ849862
SS9 1NB Leigh 51.5453 0.666463 584990 186303 TQ849863
SS9 1ND Leigh 51.545145 0.664983 584888 186282 TQ848862
SS9 1NE Leigh 51.545312 0.665541 584926 186302 TQ849863
SS9 1NF Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 1NG Leigh 51.545167 0.664018 584821 186283 TQ848862
SS9 1NH Leigh 51.545305 0.662699 584729 186295 TQ847862
SS9 1NJ Leigh 51.545596 0.662153 584690 186325 TQ846863
SS9 1NL Leigh 51.545355 0.662096 584687 186299 TQ846862
SS9 1NN Leigh 51.545531 0.663029 584751 186320 TQ847863
SS9 1NP Leigh 51.543626 0.662182 584700 186107 TQ846861
SS9 1NQ Leigh 51.545146 0.664536 584857 186281 TQ848862
SS9 1NR Leigh 51.543625 0.662197 584701 186106 TQ847861
SS9 1NS Leigh 51.542673 0.662155 584702 186000 TQ847860
SS9 1NT Leigh 51.543625 0.662197 584701 186106 TQ847861
SS9 1NW Leigh 51.545554 0.663607 584791 186324 TQ847863
SS9 1NX Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 1PA Leigh 51.54166 0.655274 584229 185871 TQ842858
SS9 1PB Leigh 51.541649 0.654971 584208 185869 TQ842858
SS9 1PD Leigh 51.54104 0.654849 584202 185801 TQ842858
SS9 1PE Leigh 51.541826 0.657462 584380 185894 TQ843858
SS9 1PF Leigh 51.541781 0.658267 584436 185892 TQ844858
SS9 1PG Leigh 51.54173 0.659302 584508 185888 TQ845858
SS9 1PH Leigh 51.54173 0.659317 584509 185888 TQ845858
SS9 1PJ Leigh 51.542541 0.660835 584611 185982 TQ846859
SS9 1PL Leigh 51.542706 0.660715 584602 186001 TQ846860
SS9 1PN Leigh 51.541784 0.658123 584426 185891 TQ844858
SS9 1PP Leigh 51.541887 0.661922 584689 185913 TQ846859
SS9 1PQ Leigh 51.54173 0.659317 584509 185888 TQ845858
SS9 1PR Leigh 51.54219 0.662416 584722 185947 TQ847859
SS9 1PS Leigh 51.543298 0.661543 584657 186068 TQ846860
SS9 1PT Leigh 51.545568 0.660997 584610 186319 TQ846863
SS9 1PU Leigh 51.545656 0.661479 584643 186330 TQ846863
SS9 1PW Leigh 51.541826 0.657462 584380 185894 TQ843858
SS9 1PX Leigh 51.546502 0.659898 584530 186421 TQ845864
SS9 1PY Leigh 51.546327 0.660479 584571 186403 TQ845864
SS9 1PZ Leigh 51.544952 0.660038 584546 186249 TQ845862
SS9 1QA Leigh 51.544885 0.660583 584584 186242 TQ845862
SS9 1QB Leigh 51.542755 0.660127 584561 186004 TQ845860
SS9 1QD Leigh 51.542089 0.65778 584401 185925 TQ844859
SS9 1QE Leigh 51.54262 0.65657 584315 185981 TQ843859
SS9 1QF Leigh 51.542138 0.656816 584334 185928 TQ843859
SS9 1QG Leigh 51.542054 0.65534 584232 185914 TQ842859
SS9 1QH Leigh 51.541905 0.656341 584302 185900 TQ843859
SS9 1QJ Leigh 51.541938 0.654901 584202 185900 TQ842859
SS9 1QL Leigh 51.544885 0.660583 584584 186242 TQ845862
SS9 1QN Leigh 51.543626 0.662182 584700 186107 TQ846861
SS9 1QR Leigh 51.541802 0.65772 584398 185892 TQ843858
SS9 1QS Leigh 51.547015 0.657505 584362 186472 TQ843864
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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