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 4TG | 51.58831300 | -0.34609400 | 38 | 107 | 514677 | 189013 |
| HA1 4TH | 51.58862800 | -0.34627800 | 39 | 110 | 514663 | 189048 |
| HA1 4TJ | 51.58945700 | -0.34453000 | 16 | 43 | 514782 | 189143 |
| HA1 4TL | 51.59032000 | -0.34509100 | 17 | 42 | 514741 | 189238 |
| HA1 4TN | 51.59133600 | -0.34576100 | 23 | 75 | 514692 | 189350 |
| HA1 4TP | 51.58708800 | -0.34483300 | 12 | 18 | 514767 | 188879 |
| HA1 4TQ | 51.58799300 | -0.34846700 | 38 | 108 | 514513 | 188974 |
| HA1 4TR | 51.59531600 | -0.34214300 | N/A | N/A | 514933 | 189798 |
| HA1 4TS | 51.58884100 | -0.34798800 | 4 | 4 | 514544 | 189069 |
| HA1 4TU | 51.59381500 | -0.33982400 | N/A | N/A | 515097 | 189635 |
| HA1 4TW | 51.59152700 | -0.34588400 | 7 | 10 | 514683 | 189371 |
| HA1 4UB | 51.59350100 | -0.33859400 | 11 | 36 | 515183 | 189602 |
| HA1 4UD | 51.59330100 | -0.33909200 | 12 | 30 | 515149 | 189579 |
| HA1 4UE | 51.59321200 | -0.33977400 | 17 | 48 | 515102 | 189568 |
| HA1 4UF | 51.59284100 | -0.34023500 | 25 | 61 | 515071 | 189526 |
| HA1 4UG | 51.59279200 | -0.34062600 | 27 | 75 | 515044 | 189520 |
| HA1 4UH | 51.59294500 | -0.34186300 | 11 | 31 | 514958 | 189535 |
| HA1 4UP | 51.59260000 | -0.34482000 | 18 | 62 | 514754 | 189492 |
| HA1 4UQ | 51.59297000 | -0.34111100 | N/A | N/A | 515010 | 189539 |
| HA1 4UR | 51.59276000 | -0.34345700 | 26 | 74 | 514848 | 189512 |
| HA1 4UT | 51.59213500 | -0.34169600 | 20 | 72 | 514972 | 189445 |
| HA1 4UU | 51.59106300 | -0.34086900 | 18 | 54 | 515032 | 189327 |
| HA1 4UW | 51.59248600 | -0.34571900 | 4 | 11 | 514692 | 189478 |
| HA1 4UX | 51.59227700 | -0.34233400 | 15 | 38 | 514927 | 189460 |
| HA1 4UY | 51.59208100 | -0.34310700 | 19 | 65 | 514874 | 189437 |
| HA1 4UZ | 51.59022100 | -0.34126900 | 13 | 51 | 515006 | 189233 |
| HA1 4WJ | 51.58230200 | -0.35351500 | N/A | N/A | 514178 | 188333 |
| HA1 4WL | 51.59704200 | -0.34589200 | N/A | N/A | 514669 | 189984 |
| HA1 4WN | 51.59347900 | -0.34511200 | N/A | N/A | 514732 | 189589 |
| HA1 4WP | 51.59349400 | -0.34495300 | N/A | N/A | 514743 | 189591 |
| HA1 4WQ | 51.59356500 | -0.34551300 | N/A | N/A | 514704 | 189598 |
| HA1 4WS | 51.58336200 | -0.35743900 | 6 | 20 | 513903 | 188445 |
| HA1 4WT | 51.58331300 | -0.35710900 | 12 | 31 | 513926 | 188440 |
| HA1 4WZ | 51.58522800 | -0.32968600 | N/A | N/A | 515821 | 188696 |
| HA1 4XA | 51.58942000 | -0.34235800 | 20 | 63 | 514933 | 189142 |
| HA1 4XB | 51.59028300 | -0.34172000 | 9 | 32 | 514975 | 189239 |
| HA1 4XD | 51.58965100 | -0.34276800 | 16 | 50 | 514904 | 189167 |
| HA1 4XE | 51.59083100 | -0.34121800 | 8 | 23 | 515008 | 189301 |
| HA1 4XF | 51.59095800 | -0.34314800 | 20 | 58 | 514874 | 189312 |
| HA1 4XG | 51.59126200 | -0.34309300 | 32 | 99 | 514877 | 189346 |
| HA1 4XH | 51.59004200 | -0.34323900 | 15 | 40 | 514870 | 189210 |
| HA1 4XJ | 51.59039800 | -0.34298000 | 22 | 69 | 514887 | 189250 |
| HA1 4XQ | 51.59069200 | -0.34219000 | 17 | 49 | 514941 | 189284 |
| HA1 4YD | 51.58345000 | -0.35789800 | 15 | 32 | 513871 | 188454 |
| HA1 4YE | 51.58362700 | -0.35836800 | 15 | 34 | 513838 | 188473 |
| HA1 4YL | 51.58102500 | -0.34594800 | 14 | 28 | 514705 | 188203 |
| HA1 4YN | 51.58113300 | -0.34535200 | 13 | 29 | 514746 | 188216 |
| HA1 4YW | 51.58103100 | -0.34769400 | 9 | 14 | 514584 | 188201 |
| HA1 4ZU | 51.58522800 | -0.32968600 | N/A | N/A | 515821 | 188696 |
| HA1 4ZZ | 51.58522800 | -0.32968600 | N/A | N/A | 515821 | 188696 |