Welwyn postcodes (2024)

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There are 176 postcodes in the built up area of Welwyn. The area contains approximately 1,486 households with a population of about 3,451 (2011 census)

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Active postcode

Postcode no longer in use

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Postcode	Latitude	Longitude	Easting	Northing	Grid reference	Active?
AL6 9AP	51.83235	-0.217237	522940	216362	TL229163	No
AL6 9AS	51.827644	-0.215963	523041	215841	TL230158	Yes
AL6 9AT	51.825705	-0.219696	522789	215619	TL227156	Yes
AL6 9AU	51.827103	-0.215259	523091	215782	TL230157	Yes
AL6 9AW	51.831259	-0.218238	522874	216239	TL228162	No
AL6 9AX	51.827264	-0.215116	523100	215800	TL231157	No
AL6 9AY	51.831259	-0.218238	522874	216239	TL228162	No
AL6 9DE	51.83235	-0.217237	522940	216362	TL229163	No
AL6 9DF	51.828676	-0.215211	523090	215957	TL230159	Yes
AL6 9DG	51.828163	-0.215081	523100	215900	TL230158	No
AL6 9DH	51.83235	-0.217237	522940	216362	TL229163	No
AL6 9DJ	51.826582	-0.216391	523014	215722	TL230157	Yes
AL6 9DL	51.827214	-0.213716	523197	215797	TL231157	Yes
AL6 9DN	51.826812	-0.212687	523269	215754	TL232157	Yes
AL6 9DP	51.827553	-0.214597	523135	215833	TL231158	Yes
AL6 9DQ	51.829525	-0.211317	523356	216058	TL233160	Yes
AL6 9DR	51.828163	-0.215081	523100	215900	TL230158	No
AL6 9DS	51.829094	-0.215514	523068	216003	TL230160	Yes
AL6 9DT	51.83235	-0.217237	522940	216362	TL229163	No
AL6 9DU	51.828185	-0.216531	523000	215900	TL230158	No
AL6 9DW	51.827637	-0.213699	523197	215844	TL231158	Yes
AL6 9DX	51.829106	-0.217946	522900	216000	TL228160	No
AL6 9DY	51.829532	-0.216512	522998	216050	TL229160	Yes
AL6 9DZ	51.829546	-0.216173	523021	216052	TL230160	Yes
AL6 9EA	51.830189	-0.217139	522953	216122	TL229161	Yes
AL6 9ED	51.829815	-0.216196	523019	216082	TL230160	Yes
AL6 9EE	51.830692	-0.215378	523073	216181	TL230161	Yes
AL6 9EF	51.830002	-0.215995	523032	216103	TL230161	Yes
AL6 9EG	51.831001	-0.214974	523100	216216	TL230162	Yes
AL6 9EH	51.829472	-0.215513	523067	216045	TL230160	Yes
AL6 9EJ	51.829234	-0.215232	523087	216019	TL230160	Yes
AL6 9EL	51.82918	-0.21464	523128	216014	TL231160	Yes
AL6 9EN	51.829673	-0.213938	523175	216070	TL231160	Yes
AL6 9EP	51.828893	-0.212938	523246	215985	TL232159	Yes
AL6 9EQ	51.830322	-0.215141	523090	216140	TL230161	Yes
AL6 9ER	51.829318	-0.21311	523233	216032	TL232160	Yes
AL6 9ES	51.829992	-0.212503	523273	216108	TL232161	Yes
AL6 9ET	51.830806	-0.213356	523212	216197	TL232161	Yes
AL6 9EU	51.830255	-0.213784	523184	216135	TL231161	Yes
AL6 9EW	51.829533	-0.214693	523123	216053	TL231160	Yes
AL6 9EX	51.830567	-0.21233	523283	216172	TL232161	Yes
AL6 9EY	51.831117	-0.213707	523187	216231	TL231162	Yes
AL6 9EZ	51.830781	-0.214112	523160	216193	TL231161	Yes
AL6 9FB	51.833139	-0.21248	523266	216458	TL232164	Yes
AL6 9FD	51.824715	-0.212431	523292	215521	TL232155	Yes
AL6 9FE	51.823935	-0.213173	523243	215433	TL232154	Yes
AL6 9FH	51.824705	-0.214294	523164	215517	TL231155	Yes
AL6 9FJ	51.824658	-0.214	523184	215512	TL231155	Yes
AL6 9FL	51.829326	-0.218393	522869	216024	TL228160	Yes
AL6 9FN	51.82706	-0.220044	522761	215769	TL227157	Yes
AL6 9FP	51.834422	-0.208699	523523	216607	TL235166	Yes
AL6 9FQ	51.834197	-0.209332	523480	216581	TL234165	Yes
AL6 9FR	51.833812	-0.209986	523436	216537	TL234165	Yes
AL6 9FS	51.834234	-0.208808	523516	216586	TL235165	Yes
AL6 9FT	51.833812	-0.20942	523475	216538	TL234165	Yes
AL6 9GS	51.831675	-0.215542	523059	216290	TL230162	Yes
AL6 9HA	51.83042	-0.214591	523128	216152	TL231161	Yes
AL6 9HB	51.831108	-0.219062	522818	216221	TL228162	Yes
AL6 9HD	51.829084	-0.216496	523000	216000	TL229160	No
AL6 9HE	51.830859	-0.214974	523100	216200	TL231161	No
AL6 9HF	51.83235	-0.217237	522940	216362	TL229163	No
AL6 9HG	51.83235	-0.217237	522940	216362	TL229163	No
AL6 9HN	51.828224	-0.224468	522453	215891	TL224158	Yes
AL6 9HP	51.824611	-0.214452	523153	215506	TL231155	No
AL6 9HQ	51.830492	-0.215821	523043	216158	TL230161	Yes
AL6 9HR	51.831502	-0.212414	523275	216276	TL232162	Yes
AL6 9HS	51.826454	-0.211613	523344	215716	TL233157	Yes
AL6 9HT	51.823147	-0.214094	523182	215344	TL231153	Yes
AL6 9HU	51.823995	-0.215454	523086	215436	TL230154	Yes
AL6 9HW	51.82367	-0.215258	523100	215400	TL231154	No
AL6 9HX	51.824483	-0.214907	523122	215491	TL231154	Yes
AL6 9HY	51.825196	-0.215218	523099	215570	TL230155	Yes
AL6 9HZ	51.825226	-0.214674	523136	215574	TL231155	Yes
AL6 9JA	51.825482	-0.214524	523146	215603	TL231156	Yes
AL6 9JB	51.826484	-0.214761	523127	215714	TL231157	Yes
AL6 9JD	51.827131	-0.214169	523166	215787	TL231157	Yes
AL6 9JE	51.826084	-0.213311	523228	215672	TL232156	Yes
AL6 9JF	51.826451	-0.21422	523164	215711	TL231157	Yes
AL6 9JG	51.825578	-0.216576	523004	215610	TL230156	Yes
AL6 9JH	51.823569	-0.216428	523020	215387	TL230153	Yes
AL6 9JJ	51.823272	-0.217616	522939	215352	TL229153	Yes
AL6 9JL	51.824093	-0.217162	522968	215444	TL229154	Yes
AL6 9JN	51.82459	-0.217225	522962	215499	TL229154	Yes
AL6 9JP	51.824015	-0.217993	522911	215434	TL229154	Yes
AL6 9JQ	51.825199	-0.216016	523044	215569	TL230155	Yes
AL6 9JR	51.823891	-0.218679	522864	215419	TL228154	Yes
AL6 9JS	51.824672	-0.21801	522908	215507	TL229155	Yes
AL6 9JT	51.824643	-0.219071	522835	215502	TL228155	Yes
AL6 9JU	51.824511	-0.218655	522864	215488	TL228154	Yes
AL6 9JW	51.823634	-0.217732	522930	215392	TL229153	Yes
AL6 9JX	51.82402	-0.219501	522807	215432	TL228154	Yes
AL6 9JY	51.823143	-0.218607	522871	215336	TL228153	Yes
AL6 9JZ	51.823464	-0.220205	522760	215369	TL227153	Yes
AL6 9LA	51.822976	-0.216969	522984	215320	TL229153	Yes
AL6 9LB	51.822784	-0.216271	523033	215300	TL230152	Yes
AL6 9LD	51.823423	-0.215694	523071	215372	TL230153	Yes
AL6 9LE	51.825238	-0.213852	523193	215577	TL231155	Yes
AL6 9LF	51.832568	-0.213374	523206	216393	TL232163	Yes
AL6 9LG	51.83235	-0.217237	522940	216362	TL229163	No
AL6 9LH	51.831215	-0.214162	523155	216241	TL231162	Yes
AL6 9LL	51.831099	-0.214776	523113	216227	TL231162	No
AL6 9LN	51.831286	-0.214179	523154	216249	TL231162	Yes
AL6 9LP	51.831652	-0.212858	523244	216292	TL232162	Yes
AL6 9LQ	51.831259	-0.218238	522874	216239	TL228162	No
AL6 9LR	51.832662	-0.211875	523309	216406	TL233164	Yes
AL6 9LS	51.833198	-0.209807	523450	216469	TL234164	Yes
AL6 9LT	51.832179	-0.210849	523381	216354	TL233163	Yes
AL6 9LU	51.831135	-0.211814	523317	216236	TL233162	Yes
AL6 9LW	51.831471	-0.213359	523210	216271	TL232162	Yes
AL6 9LX	51.831553	-0.213902	523172	216279	TL231162	Yes
AL6 9LY	51.83207	-0.215376	523069	216334	TL230163	Yes
AL6 9LZ	51.831198	-0.215353	523073	216237	TL230162	Yes
AL6 9NA	51.831383	-0.215859	523038	216257	TL230162	Yes
AL6 9NB	51.831991	-0.215602	523054	216325	TL230163	Yes
AL6 9ND	51.834034	-0.215768	523037	216552	TL230165	Yes
AL6 9NE	51.835648	-0.218404	522851	216727	TL228167	Yes
AL6 9NH	51.833237	-0.218325	522863	216459	TL228164	Yes
AL6 9NQ	51.834591	-0.216908	522957	216612	TL229166	Yes
AL6 9NT	51.831274	-0.21283	523247	216250	TL232162	Yes
AL6 9NU	51.83236	-0.216821	522969	216364	TL229163	Yes
AL6 9NX	51.832061	-0.210143	523430	216342	TL234163	Yes
AL6 9PA	51.829865	-0.217718	522914	216085	TL229160	Yes
AL6 9PB	51.830183	-0.219708	522776	216117	TL227161	Yes
AL6 9PD	51.829816	-0.219273	522807	216077	TL228160	Yes
AL6 9PE	51.829716	-0.220394	522730	216064	TL227160	Yes
AL6 9PF	51.828856	-0.219964	522762	215969	TL227159	Yes
AL6 9PG	51.829584	-0.218745	522844	216052	TL228160	Yes
AL6 9PH	51.828219	-0.218872	522839	215900	TL228158	Yes
AL6 9PJ	51.827076	-0.222356	522602	215767	TL226157	Yes
AL6 9PL	51.827397	-0.222808	522570	215802	TL225158	Yes
AL6 9PN	51.828347	-0.22203	522621	215909	TL226159	Yes
AL6 9PP	51.829968	-0.223955	522484	216086	TL224160	Yes
AL6 9PQ	51.828141	-0.219687	522783	215890	TL227158	Yes
AL6 9PR	51.830272	-0.223217	522534	216121	TL225161	Yes
AL6 9PS	51.830265	-0.222158	522607	216122	TL226161	Yes
AL6 9PT	51.830283	-0.221562	522648	216125	TL226161	Yes
AL6 9PU	51.829372	-0.224341	522459	216019	TL224160	Yes
AL6 9PW	51.828315	-0.223425	522525	215903	TL225159	Yes
AL6 9PX	51.829262	-0.22481	522427	216006	TL224160	Yes
AL6 9PY	51.8287	-0.221416	522662	215949	TL226159	Yes
AL6 9PZ	51.828257	-0.221381	522666	215900	TL226158	Yes
AL6 9QA	51.828503	-0.219223	522814	215931	TL228159	Yes
AL6 9QB	51.837184	-0.214163	523139	216905	TL231169	Yes
AL6 9QD	51.836885	-0.212216	523274	216875	TL232168	Yes
AL6 9QE	51.837329	-0.213025	523217	216923	TL232169	Yes
AL6 9QF	51.828273	-0.220654	522716	215903	TL227159	Yes
AL6 9QH	51.827374	-0.222368	522600	215800	TL225157	No
AL6 9QQ	51.827374	-0.222368	522600	215800	TL225157	No
AL6 9RA	51.834243	-0.21113	523356	216583	TL233165	Yes
AL6 9RB	51.835294	-0.210464	523399	216701	TL233167	Yes
AL6 9RD	51.835934	-0.21176	523308	216770	TL233167	Yes
AL6 9RE	51.836188	-0.213695	523174	216795	TL231167	Yes
AL6 9RF	51.835931	-0.215127	523076	216764	TL230167	Yes
AL6 9RG	51.835084	-0.216772	522965	216667	TL229166	Yes
AL6 9RH	51.834934	-0.21521	523073	216653	TL230166	Yes
AL6 9RJ	51.83373	-0.214648	523115	216520	TL231165	Yes
AL6 9RL	51.832199	-0.21437	523138	216350	TL231163	Yes
AL6 9RN	51.833543	-0.213489	523195	216501	TL231165	Yes
AL6 9RP	51.835112	-0.212692	523246	216677	TL232166	Yes
AL6 9RQ	51.835112	-0.216248	523001	216671	TL230166	Yes
AL6 9RR	51.834632	-0.213089	523220	216623	TL232166	Yes
AL6 9RS	51.834158	-0.212686	523249	216571	TL232165	Yes
AL6 9RW	51.834701	-0.214102	523150	216629	TL231166	Yes
AL6 9SB	51.827958	-0.222882	522563	215864	TL225158	Yes
AL6 9XA	51.833992	-0.209277	523484	216558	TL234165	No
AL6 9XB	51.833992	-0.209277	523484	216558	TL234165	No
AL6 9XN	51.833992	-0.209277	523484	216558	TL234165	No
AL6 9XP	51.833992	-0.209277	523484	216558	TL234165	No
AL6 9XR	51.833992	-0.209277	523484	216558	TL234165	No
AL6 9XS	51.833992	-0.209277	523484	216558	TL234165	No
AL6 9ZG	51.83235	-0.217237	522940	216362	TL229163	No
AL6 9ZH	51.83235	-0.217237	522940	216362	TL229163	No
AL6 9ZN	51.83235	-0.217237	522940	216362	TL229163	No
AL6 9ZP	51.83235	-0.217237	522940	216362	TL229163	No
AL6 9ZU	51.83235	-0.217237	522940	216362	TL229163	No
AL6 9ZY	51.83235	-0.217237	522940	216362	TL229163	No