HA1 4 is a postcode sector in Harrow, UK. Below is a complete list of HA1 4 Postcodes (Active). HA1 4 postcode sector comprises of 269 active postcodes. HA1 4 sector has a population of 13310, and it has 4749 properties in the region.
| Population | 13310 |
| Addresses / Property Count | 4749 |
| Active Postcodes | 269 |
| Nearby Postcode Districts | 9 |
| Nearby Postcode Sectors | 4 |
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| Postcode | Latitude | Longitude | Households | Population | Easting | Northing |
|---|---|---|---|---|---|---|
| HA1 4PD | 51.58758500 | -0.35782100 | 33 | 117 | 513866 | 188914 |
| HA1 4PE | 51.58730800 | -0.35794600 | 28 | 73 | 513858 | 188883 |
| HA1 4PF | 51.58603500 | -0.35696700 | 16 | 50 | 513929 | 188743 |
| HA1 4PG | 51.58517200 | -0.35695500 | 23 | 66 | 513932 | 188647 |
| HA1 4PH | 51.58662700 | -0.35748000 | 10 | 28 | 513892 | 188808 |
| HA1 4PJ | 51.58660100 | -0.35882300 | 28 | 88 | 513799 | 188803 |
| HA1 4PL | 51.58580900 | -0.35817400 | 35 | 94 | 513846 | 188716 |
| HA1 4PN | 51.58484500 | -0.35805000 | 20 | 64 | 513857 | 188609 |
| HA1 4PP | 51.58596900 | -0.35929400 | 19 | 49 | 513768 | 188732 |
| HA1 4PQ | 51.58462800 | -0.35727800 | 10 | 32 | 513911 | 188586 |
| HA1 4PR | 51.58667300 | -0.35998300 | 1 | 6 | 513718 | 188809 |
| HA1 4PU | 51.58617600 | -0.35659400 | 4 | 6 | 513955 | 188759 |
| HA1 4PW | 51.58563000 | -0.35952200 | 23 | 67 | 513753 | 188694 |
| HA1 4QA | 51.58360600 | -0.35237800 | 19 | 53 | 514253 | 188480 |
| HA1 4QB | 51.58489000 | -0.35097500 | 2 | 4 | 514347 | 188625 |
| HA1 4QD | 51.58573600 | -0.35098800 | 24 | 76 | 514344 | 188719 |
| HA1 4QE | 51.58533400 | -0.35056900 | 5 | 17 | 514374 | 188675 |
| HA1 4QF | 51.58683400 | -0.35041400 | 8 | 22 | 514381 | 188842 |
| HA1 4QG | 51.58587100 | -0.35021000 | 12 | 21 | 514398 | 188735 |
| HA1 4QH | 51.58678300 | -0.34877000 | 18 | 43 | 514495 | 188839 |
| HA1 4QJ | 51.58717900 | -0.34812100 | 37 | 84 | 514539 | 188884 |
| HA1 4QL | 51.58772400 | -0.34576900 | 33 | 75 | 514701 | 188948 |
| HA1 4QN | 51.58765700 | -0.34486200 | 6 | 13 | 514764 | 188942 |
| HA1 4QP | 51.58597400 | -0.34747200 | 28 | 71 | 514587 | 188751 |
| HA1 4QQ | 51.58690400 | -0.34967500 | 19 | 40 | 514432 | 188851 |
| HA1 4QR | 51.58464300 | -0.34747700 | 32 | 69 | 514590 | 188603 |
| HA1 4QS | 51.58446200 | -0.34930200 | 27 | 80 | 514464 | 188580 |
| HA1 4QT | 51.58480100 | -0.34913100 | 30 | 89 | 514475 | 188618 |
| HA1 4QU | 51.58497500 | -0.34802700 | 8 | 21 | 514551 | 188639 |
| HA1 4QW | 51.58730200 | -0.34585700 | 39 | 104 | 514696 | 188901 |
| HA1 4QX | 51.58527200 | -0.34922100 | 18 | 51 | 514468 | 188670 |
| HA1 4QY | 51.58557600 | -0.34926100 | 21 | 53 | 514464 | 188704 |
| HA1 4QZ | 51.58569300 | -0.34798700 | 11 | 39 | 514552 | 188719 |
| HA1 4RA | 51.58589800 | -0.34907700 | 27 | 80 | 514476 | 188740 |
| HA1 4RD | 51.58878400 | -0.34967900 | 5 | 10 | 514427 | 189060 |
| HA1 4RH | 51.58757900 | -0.35020600 | 6 | 16 | 514394 | 188925 |
| HA1 4RJ | 51.58820700 | -0.35024900 | 3 | 10 | 514389 | 188995 |
| HA1 4RL | 51.58876400 | -0.35022900 | 11 | 25 | 514389 | 189057 |
| HA1 4RN | 51.58995700 | -0.35061800 | 18 | 48 | 514359 | 189189 |
| HA1 4RP | 51.59271300 | -0.35155800 | 19 | 59 | 514287 | 189494 |
| HA1 4RR | 51.59137800 | -0.35068200 | 6 | 18 | 514351 | 189347 |
| HA1 4RS | 51.59194200 | -0.34728400 | 14 | 42 | 514585 | 189415 |
| HA1 4RT | 51.59160600 | -0.34895600 | 50 | 144 | 514470 | 189375 |
| HA1 4RU | 51.59062700 | -0.35033400 | 7 | 20 | 514377 | 189264 |
| HA1 4RW | 51.59136800 | -0.35126000 | 6 | 15 | 514311 | 189345 |
| HA1 4RX | 51.59102700 | -0.34811100 | 38 | 115 | 514530 | 189312 |
| HA1 4RY | 51.59072000 | -0.34800700 | 34 | 112 | 514538 | 189278 |
| HA1 4RZ | 51.58968600 | -0.34993500 | 8 | 22 | 514407 | 189160 |
| HA1 4SA | 51.59013100 | -0.34769600 | 41 | 132 | 514561 | 189213 |
| HA1 4SB | 51.58992900 | -0.34740000 | 53 | 150 | 514582 | 189191 |