Postcodes in Southend-on-Sea page 42 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 1AJ Leigh 51.541341 0.657044 584353 185839 TQ843858
SS9 1AL Leigh 51.543625 0.662197 584701 186106 TQ847861
SS9 1AN Leigh 51.541288 0.656608 584323 185833 TQ843858
SS9 1AP Leigh 51.541327 0.655255 584229 185833 TQ842858
SS9 1AQ Leigh 51.541425 0.658116 584427 185852 TQ844858
SS9 1AR Leigh 51.540939 0.655333 584236 185790 TQ842857
SS9 1AS Leigh 51.540189 0.657078 584360 185711 TQ843857
SS9 1AT Leigh 51.540784 0.656204 584297 185775 TQ842857
SS9 1AU Leigh 51.540815 0.657619 584395 185782 TQ843857
SS9 1AW Leigh 51.541285 0.655959 584278 185831 TQ842858
SS9 1AX Leigh 51.540917 0.658289 584441 185795 TQ844857
SS9 1AY Leigh 51.541002 0.660471 584592 185810 TQ845858
SS9 1AZ Leigh 51.540656 0.659874 584552 185770 TQ845857
SS9 1BA Leigh 51.540345 0.659726 584543 185736 TQ845857
SS9 1BB Leigh 51.540048 0.659738 584545 185703 TQ845857
SS9 1BD Leigh 51.539655 0.65246 584042 185640 TQ840856
SS9 1BE Leigh 51.539984 0.661335 584656 185699 TQ846856
SS9 1BF Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 1BG Leigh 51.540928 0.662155 584709 185806 TQ847858
SS9 1BH Leigh 51.540265 0.660875 584623 185730 TQ846857
SS9 1BJ Leigh 51.54155 0.660532 584594 185872 TQ845858
SS9 1BL Leigh 51.540377 0.655517 584251 185728 TQ842857
SS9 1BN Leigh 51.541359 0.656266 584299 185840 TQ842858
SS9 1BP Leigh 51.542883 0.663999 584829 186028 TQ848860
SS9 1BQ Leigh 51.541117 0.661387 584655 185826 TQ846858
SS9 1BS Leigh 51.542973 0.664784 584883 186040 TQ848860
SS9 1BT Leigh 51.543157 0.665775 584951 186063 TQ849860
SS9 1BU Leigh 51.543254 0.666675 585013 186077 TQ850860
SS9 1BW Leigh 51.542785 0.661571 584661 186011 TQ846860
SS9 1BX Leigh 51.542872 0.663696 584808 186027 TQ848860
SS9 1BY Leigh 51.543298 0.667125 585044 186083 TQ850860
SS9 1BZ Chalkwell 51.543285 0.667687 585083 186083 TQ850860
SS9 1DA Leigh 51.54289 0.666481 585001 186036 TQ850860
SS9 1DB Leigh 51.543043 0.666461 584999 186053 TQ849860
SS9 1DD Leigh 51.542239 0.666212 584985 185962 TQ849859
SS9 1DE Leigh 51.542582 0.664991 584899 185998 TQ848859
SS9 1DF Leigh 51.541408 0.665197 584918 185868 TQ849858
SS9 1DG Leigh 51.542009 0.664468 584865 185933 TQ848859
SS9 1DH Leigh 51.542899 0.664073 584834 186030 TQ848860
SS9 1DJ Leigh 51.542053 0.663331 584786 185935 TQ847859
SS9 1DL Leigh 51.542756 0.662045 584694 186009 TQ846860
SS9 1DN Leigh 51.540932 0.662761 584751 185808 TQ847858
SS9 1DP Leigh 51.54008 0.662682 584749 185714 TQ847857
SS9 1DQ Leigh 51.54157 0.66398 584833 185882 TQ848858
SS9 1DR Leigh 51.540117 0.66342 584800 185719 TQ847857
SS9 1DS Leigh 51.540167 0.663985 584839 185726 TQ848857
SS9 1DT Leigh 51.540132 0.665122 584918 185725 TQ849857
SS9 1DU Leigh 51.540175 0.664822 584897 185729 TQ848857
SS9 1DW Leigh 51.540099 0.662221 584717 185714 TQ847857
SS9 1DX Leigh 51.540096 0.667111 585056 185726 TQ850857
SS9 1DY Leigh 51.5427 0.662936 584756 186005 TQ847860
SS9 1DZ Leigh 51.54289 0.666481 585001 186036 TQ850860
SS9 1EA Leigh 51.539191 0.66736 585077 185626 TQ850856
SS9 1EB Leigh 51.543625 0.662197 584701 186106 TQ847861
SS9 1ED Leigh 51.539392 0.66407 584848 185641 TQ848856
SS9 1EE Leigh 51.539305 0.66193 584700 185625 TQ846856
SS9 1EF Victoria 51.543527 0.7124 588182 186223 TQ881862
SS9 1EG Leigh 51.543625 0.662197 584701 186106 TQ847861
SS9 1EH Blenheim Park 51.547964 0.666792 585002 186601 TQ850866
SS9 1EJ Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 1EL Chalkwell 51.54265 0.667534 585075 186012 TQ850860
SS9 1EN Leigh 51.54189 0.666134 584981 185923 TQ849859
SS9 1EP Leigh 51.541279 0.667281 585063 185858 TQ850858
SS9 1EQ Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 1ER Chalkwell 51.541767 0.667973 585109 185914 TQ851859
SS9 1ES Leigh 51.54125 0.667784 585098 185856 TQ850858
SS9 1ET Chalkwell 51.540493 0.668648 585161 185775 TQ851857
SS9 1EU Leigh 51.540721 0.667306 585067 185796 TQ850857
SS9 1EW Leigh 51.540719 0.665835 584965 185793 TQ849857
SS9 1EX Chalkwell 51.539717 0.669151 585199 185689 TQ851856
SS9 1EY Chalkwell 51.539559 0.669358 585214 185672 TQ852856
SS9 1EZ Leigh 51.543625 0.662197 584701 186106 TQ847861
SS9 1FA Leigh 51.543626 0.662182 584700 186107 TQ846861
SS9 1FB Leigh 51.543625 0.662197 584701 186106 TQ847861
SS9 1FD Leigh 51.543625 0.662197 584701 186106 TQ847861
SS9 1FE Chalkwell 51.539815 0.6692 585202 185701 TQ852857
SS9 1FG Chalkwell 51.546546 0.669839 585219 186451 TQ852864
SS9 1FH Leigh 51.543625 0.662197 584701 186106 TQ847861
SS9 1FJ Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 1FL Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 1FN Leigh 51.540087 0.666331 585002 185724 TQ850857
SS9 1FP Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 1FQ Leigh 51.540095 0.666375 585005 185725 TQ850857
SS9 1FR Leigh 51.542763 0.662536 584728 186011 TQ847860
SS9 1FS Leigh 51.541985 0.661163 584636 185921 TQ846859
SS9 1FX Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 1FZ Chalkwell 51.546548 0.669724 585211 186450 TQ852864
SS9 1GA Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 1GD Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 1GE Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 1GG Chalkwell 51.539815 0.6692 585202 185701 TQ852857
SS9 1GY Belfairs 51.548738 0.648503 583731 186640 TQ837866
SS9 1GZ Leigh 51.543625 0.662197 584701 186106 TQ847861
SS9 1HA Chalkwell 51.541266 0.66865 585158 185860 TQ851858
SS9 1HB Chalkwell 51.540035 0.670193 585270 185727 TQ852857
SS9 1HD Chalkwell 51.540235 0.669325 585209 185748 TQ852857
SS9 1HE Chalkwell 51.539643 0.671598 585369 185687 TQ853856
SS9 1HF Chalkwell 51.54036 0.671712 585374 185767 TQ853857
SS9 1HG Chalkwell 51.5404 0.670359 585280 185768 TQ852857
SS9 1HH Chalkwell 51.540655 0.671023 585325 185799 TQ853857
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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