Harpenden postcodes (2024)
There are 1,450 postcodes in the built up area of Harpenden. The area contains approximately 11,444 households with a population of about 29,873 (2011 census)
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Active postcode
Postcode no longer in use
Active postcode
Postcode no longer in useThis table shows the first postcodes in the built up area, download the CSV file to get all the postcodes.
| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| AL5 1AA | 51.811043 | -0.33476 | 514897 | 213801 | TL148138 | Yes |
| AL5 1AB | 51.811961 | -0.33419 | 514934 | 213904 | TL149139 | Yes |
| AL5 1AD | 51.811434 | -0.330626 | 515181 | 213851 | TL151138 | Yes |
| AL5 1AE | 51.805548 | -0.338517 | 514652 | 213184 | TL146131 | No |
| AL5 1AH | 51.806946 | -0.326789 | 515457 | 213358 | TL154133 | No |
| AL5 1AJ | 51.806528 | -0.326456 | 515481 | 213312 | TL154133 | Yes |
| AL5 1AP | 51.796884 | -0.34394 | 514300 | 212212 | TL142122 | Yes |
| AL5 1AR | 51.798603 | -0.345298 | 514202 | 212401 | TL142124 | No |
| AL5 1AS | 51.804394 | -0.344042 | 514274 | 213047 | TL142130 | Yes |
| AL5 1AT | 51.801299 | -0.345199 | 514202 | 212701 | TL142127 | No |
| AL5 1AU | 51.812306 | -0.335686 | 514830 | 213940 | TL148139 | Yes |
| AL5 1AW | 51.795856 | -0.341846 | 514447 | 212101 | TL144121 | Yes |
| AL5 1AX | 51.805686 | -0.342587 | 514371 | 213193 | TL143131 | Yes |
| AL5 1AY | 51.80544 | -0.339159 | 514608 | 213171 | TL146131 | Yes |
| AL5 1AZ | 51.801299 | -0.345199 | 514202 | 212701 | TL142127 | No |
| AL5 1BA | 51.806291 | -0.343377 | 514315 | 213259 | TL143132 | Yes |
| AL5 1BB | 51.805877 | -0.344016 | 514272 | 213212 | TL142132 | Yes |
| AL5 1BD | 51.805842 | -0.343452 | 514311 | 213209 | TL143132 | Yes |
| AL5 1BE | 51.805104 | -0.345263 | 514188 | 213124 | TL141131 | Yes |
| AL5 1BF | 51.814769 | -0.353498 | 513596 | 214186 | TL135141 | No |
| AL5 1BG | 51.804944 | -0.344805 | 514220 | 213107 | TL142131 | Yes |
| AL5 1BH | 51.804112 | -0.34704 | 514068 | 213011 | TL140130 | Yes |
| AL5 1BJ | 51.804274 | -0.347005 | 514070 | 213029 | TL140130 | Yes |
| AL5 1BN | 51.802299 | -0.34277 | 514367 | 212816 | TL143128 | Yes |
| AL5 1BP | 51.802427 | -0.343592 | 514310 | 212829 | TL143128 | Yes |
| AL5 1BQ | 51.803962 | -0.346596 | 514099 | 212995 | TL140129 | Yes |
| AL5 1BS | 51.803 | -0.344006 | 514280 | 212892 | TL142128 | Yes |
| AL5 1BT | 51.797761 | -0.343647 | 514318 | 212310 | TL143123 | Yes |
| AL5 1BU | 51.79742 | -0.344341 | 514271 | 212271 | TL142122 | Yes |
| AL5 1BW | 51.803919 | -0.345452 | 514178 | 212992 | TL141129 | Yes |
| AL5 1BX | 51.798978 | -0.342543 | 514391 | 212447 | TL143124 | Yes |
| AL5 1BY | 51.800095 | -0.342705 | 514377 | 212571 | TL143125 | Yes |
| AL5 1BZ | 51.799253 | -0.34423 | 514274 | 212475 | TL142124 | Yes |
| AL5 1DA | 51.798576 | -0.344646 | 514247 | 212399 | TL142123 | Yes |
| AL5 1DB | 51.799996 | -0.344652 | 514243 | 212557 | TL142125 | Yes |
| AL5 1DD | 51.800335 | -0.345104 | 514211 | 212594 | TL142125 | Yes |
| AL5 1DE | 51.800518 | -0.346606 | 514107 | 212612 | TL141126 | Yes |
| AL5 1DF | 51.801577 | -0.34384 | 514295 | 212734 | TL142127 | Yes |
| AL5 1DG | 51.803027 | -0.345963 | 514145 | 212892 | TL141128 | Yes |
| AL5 1DH | 51.803403 | -0.347733 | 514022 | 212931 | TL140129 | Yes |
| AL5 1DJ | 51.805429 | -0.346034 | 514134 | 213159 | TL141131 | Yes |
| AL5 1DL | 51.806273 | -0.34596 | 514137 | 213253 | TL141132 | Yes |
| AL5 1DN | 51.805166 | -0.343346 | 514320 | 213134 | TL143131 | Yes |
| AL5 1DP | 51.806168 | -0.3455 | 514169 | 213242 | TL141132 | Yes |
| AL5 1DQ | 51.803189 | -0.347262 | 514055 | 212908 | TL140129 | Yes |
| AL5 1DR | 51.805594 | -0.344999 | 514205 | 213179 | TL142131 | Yes |
| AL5 1DS | 51.805548 | -0.338517 | 514652 | 213184 | TL146131 | No |
| AL5 1DU | 51.814769 | -0.353498 | 513596 | 214186 | TL135141 | No |
| AL5 1DW | 51.806668 | -0.345888 | 514141 | 213297 | TL141132 | Yes |
| AL5 1DX | 51.814769 | -0.353498 | 513596 | 214186 | TL135141 | No |
| AL5 1DY | 51.806346 | -0.32565 | 515537 | 213293 | TL155132 | Yes |
| AL5 1DZ | 51.809225 | -0.345518 | 514160 | 213582 | TL141135 | Yes |
| AL5 1EA | 51.805321 | -0.345386 | 514179 | 213148 | TL141131 | Yes |
| AL5 1EB | 51.806844 | -0.344953 | 514205 | 213318 | TL142133 | Yes |
| AL5 1ED | 51.814769 | -0.353498 | 513596 | 214186 | TL135141 | No |
| AL5 1EE | 51.814769 | -0.353498 | 513596 | 214186 | TL135141 | No |
| AL5 1EF | 51.805656 | -0.340442 | 514519 | 213193 | TL145131 | Yes |
| AL5 1EG | 51.804562 | -0.342542 | 514377 | 213068 | TL143130 | Yes |
| AL5 1EH | 51.805393 | -0.339015 | 514618 | 213166 | TL146131 | Yes |
| AL5 1EJ | 51.805586 | -0.338704 | 514639 | 213188 | TL146131 | Yes |
| AL5 1EL | 51.80609 | -0.339367 | 514592 | 213243 | TL145132 | Yes |
| AL5 1EN | 51.806441 | -0.338716 | 514636 | 213283 | TL146132 | Yes |
| AL5 1EP | 51.805334 | -0.337364 | 514732 | 213162 | TL147131 | Yes |
| AL5 1EQ | 51.80485 | -0.341327 | 514460 | 213102 | TL144131 | Yes |
| AL5 1ER | 51.805579 | -0.336253 | 514808 | 213191 | TL148131 | Yes |
| AL5 1ES | 51.806012 | -0.336338 | 514801 | 213239 | TL148132 | Yes |
| AL5 1ET | 51.806422 | -0.337353 | 514730 | 213283 | TL147132 | Yes |
| AL5 1EU | 51.807392 | -0.336026 | 514819 | 213393 | TL148133 | Yes |
| AL5 1EW | 51.806206 | -0.338608 | 514644 | 213257 | TL146132 | Yes |
| AL5 1EX | 51.806942 | -0.336014 | 514821 | 213343 | TL148133 | Yes |
| AL5 1EY | 51.807938 | -0.333279 | 515007 | 213458 | TL150134 | Yes |
| AL5 1EZ | 51.808371 | -0.331508 | 515128 | 213509 | TL151135 | Yes |
| AL5 1FA | 51.813122 | -0.351483 | 513739 | 214006 | TL137140 | Yes |
| AL5 1GD | 51.80741 | -0.342423 | 514378 | 213385 | TL143133 | Yes |
| AL5 1GH | 51.814769 | -0.353498 | 513596 | 214186 | TL135141 | No |
| AL5 1GX | 51.814769 | -0.353498 | 513596 | 214186 | TL135141 | No |
| AL5 1GY | 51.814769 | -0.353498 | 513596 | 214186 | TL135141 | No |
| AL5 1HA | 51.807801 | -0.332501 | 515061 | 213444 | TL150134 | Yes |
| AL5 1HB | 51.806705 | -0.335138 | 514882 | 213318 | TL148133 | Yes |
| AL5 1HD | 51.805537 | -0.33521 | 514880 | 213188 | TL148131 | Yes |
| AL5 1HE | 51.805847 | -0.334227 | 514947 | 213224 | TL149132 | Yes |
| AL5 1HF | 51.806865 | -0.332449 | 515067 | 213340 | TL150133 | Yes |
| AL5 1HG | 51.804916 | -0.333246 | 515017 | 213122 | TL150131 | Yes |
| AL5 1HH | 51.80301 | -0.332011 | 515107 | 212912 | TL151129 | Yes |
| AL5 1HJ | 51.804403 | -0.334469 | 514934 | 213063 | TL149130 | Yes |
| AL5 1HL | 51.805163 | -0.33547 | 514863 | 213146 | TL148131 | Yes |
| AL5 1HN | 51.804856 | -0.336656 | 514782 | 213110 | TL147131 | Yes |
| AL5 1HP | 51.804771 | -0.33637 | 514802 | 213101 | TL148131 | No |
| AL5 1HQ | 51.804284 | -0.331848 | 515115 | 213054 | TL151130 | Yes |
| AL5 1HS | 51.814769 | -0.353498 | 513596 | 214186 | TL135141 | No |
| AL5 1HT | 51.807801 | -0.332501 | 515061 | 213444 | TL150134 | No |
| AL5 1HU | 51.804771 | -0.33637 | 514802 | 213101 | TL148131 | No |
| AL5 1HW | 51.808263 | -0.328988 | 515302 | 213501 | TL153135 | No |
| AL5 1HX | 51.814769 | -0.353498 | 513596 | 214186 | TL135141 | No |
| AL5 1HY | 51.805548 | -0.338517 | 514652 | 213184 | TL146131 | No |
| AL5 1HZ | 51.810856 | -0.321639 | 515802 | 213801 | TL158138 | No |
| AL5 1JA | 51.809734 | -0.32683 | 515447 | 213668 | TL154136 | Yes |
| AL5 1JB | 51.810738 | -0.324037 | 515637 | 213784 | TL156137 | Yes |
| AL5 1JD | 51.81095 | -0.321287 | 515826 | 213812 | TL158138 | Yes |
| AL5 1JE | 51.810137 | -0.323537 | 515673 | 213718 | TL156137 | Yes |
| AL5 1JF | 51.809869 | -0.322401 | 515752 | 213690 | TL157136 | Yes |
| AL5 1JG | 51.808723 | -0.324634 | 515601 | 213559 | TL156135 | Yes |
| AL5 1JH | 51.808986 | -0.329222 | 515284 | 213581 | TL152135 | Yes |
| AL5 1JJ | 51.807837 | -0.329381 | 515276 | 213453 | TL152134 | Yes |
| AL5 1JL | 51.806229 | -0.33137 | 515143 | 213271 | TL151132 | Yes |
| AL5 1JN | 51.806415 | -0.331798 | 515113 | 213291 | TL151132 | Yes |
| AL5 1JP | 51.805326 | -0.329807 | 515253 | 213173 | TL152131 | Yes |
| AL5 1JQ | 51.808695 | -0.328334 | 515346 | 213550 | TL153135 | Yes |
| AL5 1JR | 51.805431 | -0.330282 | 515220 | 213184 | TL152131 | Yes |
| AL5 1JS | 51.805581 | -0.330697 | 515191 | 213200 | TL151131 | Yes |
| AL5 1JT | 51.80471 | -0.33202 | 515102 | 213101 | TL151131 | No |
| AL5 1JU | 51.805572 | -0.331321 | 515148 | 213198 | TL151131 | Yes |
| AL5 1JW | 51.807001 | -0.330007 | 515235 | 213359 | TL152133 | Yes |
| AL5 1JX | 51.804629 | -0.3314 | 515145 | 213093 | TL151130 | Yes |
| AL5 1JY | 51.804869 | -0.331841 | 515114 | 213119 | TL151131 | Yes |
| AL5 1JZ | 51.805586 | -0.338704 | 514639 | 213188 | TL146131 | No |
| AL5 1LE | 51.806671 | -0.343552 | 514302 | 213301 | TL143133 | No |
| AL5 1LF | 51.806671 | -0.343552 | 514302 | 213301 | TL143133 | No |
| AL5 1LG | 51.807695 | -0.342195 | 514393 | 213417 | TL143134 | Yes |
| AL5 1LH | 51.80742 | -0.341813 | 514420 | 213387 | TL144133 | Yes |
| AL5 1LJ | 51.808595 | -0.342916 | 514341 | 213516 | TL143135 | Yes |
| AL5 1LL | 51.809067 | -0.343189 | 514321 | 213568 | TL143135 | Yes |
| AL5 1LN | 51.808536 | -0.341264 | 514455 | 213512 | TL144135 | Yes |
| AL5 1LP | 51.809591 | -0.339557 | 514570 | 213632 | TL145136 | Yes |
| AL5 1LQ | 51.808621 | -0.344104 | 514259 | 213517 | TL142135 | Yes |
| AL5 1LR | 51.809787 | -0.340087 | 514533 | 213653 | TL145136 | Yes |
| AL5 1LS | 51.8105 | -0.337711 | 514695 | 213736 | TL146137 | Yes |
| AL5 1LT | 51.810879 | -0.338437 | 514644 | 213777 | TL146137 | Yes |
| AL5 1LU | 51.809743 | -0.338232 | 514661 | 213651 | TL146136 | Yes |
| AL5 1LW | 51.808482 | -0.340585 | 514502 | 213507 | TL145135 | Yes |
| AL5 1LX | 51.809279 | -0.337814 | 514691 | 213600 | TL146135 | Yes |
| AL5 1LY | 51.814769 | -0.353498 | 513596 | 214186 | TL135141 | No |
| AL5 1LZ | 51.810632 | -0.335617 | 514839 | 213754 | TL148137 | Yes |
| AL5 1NA | 51.809044 | -0.335182 | 514873 | 213578 | TL148135 | Yes |
| AL5 1NB | 51.809222 | -0.334479 | 514921 | 213599 | TL149135 | Yes |
| AL5 1ND | 51.810096 | -0.332634 | 515046 | 213699 | TL150136 | Yes |
| AL5 1NE | 51.809804 | -0.329221 | 515282 | 213672 | TL152136 | Yes |
| AL5 1NF | 51.809462 | -0.328523 | 515331 | 213635 | TL153136 | Yes |
| AL5 1NG | 51.809233 | -0.331404 | 515133 | 213605 | TL151136 | Yes |
| AL5 1NH | 51.810164 | -0.336171 | 514802 | 213701 | TL148137 | No |
| AL5 1NL | 51.808279 | -0.344741 | 514216 | 213478 | TL142134 | Yes |
| AL5 1NQ | 51.80952 | -0.333874 | 514962 | 213633 | TL149136 | Yes |
| AL5 1NY | 51.809082 | -0.348106 | 513982 | 213562 | TL139135 | Yes |
| AL5 1PA | 51.814305 | -0.353747 | 513580 | 214134 | TL135141 | Yes |
| AL5 1PB | 51.813105 | -0.353471 | 513602 | 214001 | TL136140 | No |
| AL5 1PD | 51.813322 | -0.352912 | 513640 | 214026 | TL136140 | Yes |
| AL5 1PE | 51.81296 | -0.352127 | 513695 | 213987 | TL136139 | No |
| AL5 1PF | 51.811172 | -0.350916 | 513783 | 213790 | TL137137 | Yes |
| AL5 1PG | 51.810214 | -0.349979 | 513850 | 213685 | TL138136 | Yes |
| AL5 1PH | 51.809166 | -0.348335 | 513966 | 213571 | TL139135 | No |
| AL5 1PJ | 51.814769 | -0.353498 | 513596 | 214186 | TL135141 | No |
| AL5 1PL | 51.808489 | -0.344936 | 514202 | 213501 | TL142135 | No |
| AL5 1PN | 51.808489 | -0.344936 | 514202 | 213501 | TL142135 | No |
| AL5 1PP | 51.807611 | -0.346419 | 514102 | 213401 | TL141134 | No |
| AL5 1PQ | 51.809314 | -0.34859 | 513948 | 213587 | TL139135 | Yes |
| AL5 1PR | 51.807629 | -0.345156 | 514189 | 213405 | TL141134 | Yes |
| AL5 1PS | 51.806994 | -0.344744 | 514219 | 213335 | TL142133 | Yes |
| AL5 1PT | 51.807611 | -0.346419 | 514102 | 213401 | TL141134 | No |
| AL5 1PU | 51.807168 | -0.34307 | 514334 | 213357 | TL143133 | Yes |
| AL5 1PW | 51.808871 | -0.346532 | 514091 | 213541 | TL140135 | Yes |
| AL5 1PX | 51.807072 | -0.341376 | 514451 | 213349 | TL144133 | Yes |
| AL5 1PY | 51.807369 | -0.340771 | 514492 | 213383 | TL144133 | Yes |
| AL5 1PZ | 51.809285 | -0.337654 | 514702 | 213601 | TL147136 | No |
| AL5 1QA | 51.807612 | -0.33889 | 514621 | 213413 | TL146134 | Yes |
| AL5 1QB | 51.808341 | -0.337645 | 514705 | 213496 | TL147134 | Yes |
| AL5 1QD | 51.808031 | -0.336685 | 514772 | 213463 | TL147134 | Yes |
| AL5 1QE | 51.805871 | -0.341029 | 514478 | 213216 | TL144132 | Yes |
| AL5 1QF | 51.805078 | -0.342813 | 514357 | 213125 | TL143131 | Yes |
| AL5 1QG | 51.806812 | -0.341458 | 514446 | 213320 | TL144133 | Yes |
| AL5 1QH | 51.806494 | -0.346924 | 514070 | 213276 | TL140132 | Yes |
| AL5 1QJ | 51.806958 | -0.346718 | 514083 | 213328 | TL140133 | Yes |
| AL5 1QL | 51.806559 | -0.344543 | 514234 | 213287 | TL142132 | Yes |
| AL5 1QN | 51.80765 | -0.347288 | 514042 | 213404 | TL140134 | Yes |
| AL5 1QP | 51.808033 | -0.347709 | 514012 | 213446 | TL140134 | Yes |
| AL5 1QQ | 51.806804 | -0.343417 | 514311 | 213316 | TL143133 | Yes |
| AL5 1QR | 51.808353 | -0.348031 | 513989 | 213481 | TL139134 | Yes |
| AL5 1QT | 51.80642 | -0.344272 | 514253 | 213272 | TL142132 | No |
| AL5 1QU | 51.808852 | -0.347766 | 514006 | 213537 | TL140135 | Yes |
| AL5 1QW | 51.807566 | -0.34835 | 513969 | 213393 | TL139133 | Yes |
| AL5 1QX | 51.8024 | -0.339096 | 514620 | 212833 | TL146128 | Yes |
| AL5 1QY | 51.806651 | -0.347875 | 514004 | 213292 | TL140132 | Yes |
| AL5 1RB | 51.80393 | -0.337923 | 514697 | 213005 | TL146130 | Yes |
| AL5 1RD | 51.803718 | -0.340107 | 514547 | 212978 | TL145129 | Yes |
| AL5 1RE | 51.803608 | -0.341895 | 514424 | 212963 | TL144129 | Yes |
| AL5 1RF | 51.804205 | -0.339552 | 514584 | 213033 | TL145130 | Yes |
| AL5 1RG | 51.80437 | -0.337864 | 514700 | 213054 | TL146130 | Yes |
| AL5 1RH | 51.8035 | -0.339926 | 514560 | 212954 | TL145129 | Yes |
| AL5 1RJ | 51.802052 | -0.339907 | 514565 | 212793 | TL145127 | Yes |
| AL5 1RL | 51.802559 | -0.340788 | 514503 | 212848 | TL145128 | Yes |
| AL5 1RN | 51.80291 | -0.3415 | 514453 | 212886 | TL144128 | Yes |
| AL5 1RP | 51.80458 | -0.340032 | 514550 | 213074 | TL145130 | Yes |
| AL5 1RQ | 51.803686 | -0.338513 | 514657 | 212977 | TL146129 | Yes |
| AL5 1RR | 51.804299 | -0.34113 | 514475 | 213041 | TL144130 | Yes |
| AL5 1RS | 51.801848 | -0.34077 | 514506 | 212769 | TL145127 | Yes |
| AL5 1RT | 51.800944 | -0.338497 | 514665 | 212672 | TL146126 | Yes |
| AL5 1RU | 51.80128 | -0.340675 | 514514 | 212706 | TL145127 | Yes |
| AL5 1RW | 51.805033 | -0.339 | 514620 | 213126 | TL146131 | Yes |
| AL5 1RX | 51.800339 | -0.340884 | 514502 | 212601 | TL145126 | No |
| AL5 1RZ | 51.800344 | -0.339955 | 514566 | 212603 | TL145126 | Yes |
| AL5 1SA | 51.801217 | -0.339401 | 514602 | 212701 | TL146127 | No |