SL4 is a postcode district in Windsor and Maidenhead, UK. Below is a complete list of SL4 Postcodes (Active). SL4 postcode district comprises of 1363 active postcodes and 7 postcode sectors. SL4 district has a population of 43302, and it has 18061 properties in the region.
| Population | 43302 |
| Addresses / Property Count | 18061 |
| Active Postcodes | 1363 |
| Nearby Postcode Districts | 11 |
| Active Postcode Sectors | 7 |
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| Postcode | Latitude | Longitude | Households | Population | Easting | Northing |
|---|---|---|---|---|---|---|
| SL4 4LR | 51.47514200 | -0.65314800 | 12 | 27 | 493637 | 175991 |
| SL4 4LS | 51.47784500 | -0.65282300 | 1 | 4 | 493654 | 176292 |
| SL4 4LW | 51.47826000 | -0.65295500 | 17 | 33 | 493644 | 176338 |
| SL4 4LY | 51.47662800 | -0.65340600 | 15 | 23 | 493616 | 176156 |
| SL4 4LZ | 51.47659300 | -0.65421400 | 54 | 103 | 493560 | 176151 |
| SL4 4NA | 51.47627500 | -0.65317200 | 5 | 9 | 493633 | 176117 |
| SL4 4NB | 51.47601400 | -0.65395700 | 47 | 116 | 493579 | 176087 |
| SL4 4ND | 51.47543900 | -0.65478000 | 13 | 35 | 493523 | 176022 |
| SL4 4NE | 51.47501900 | -0.65417400 | 17 | 50 | 493566 | 175976 |
| SL4 4NF | 51.47407500 | -0.65420100 | 49 | 119 | 493566 | 175871 |
| SL4 4NG | 51.47576900 | -0.64355400 | 6 | 11 | 494302 | 176073 |
| SL4 4NH | 51.47397600 | -0.64562300 | 17 | 38 | 494162 | 175871 |
| SL4 4NJ | 51.47480200 | -0.64319400 | 42 | 91 | 494329 | 175966 |
| SL4 4NL | 51.47344800 | -0.64352200 | 53 | 115 | 494309 | 175815 |
| SL4 4NN | 51.47394500 | -0.64431100 | 4 | 7 | 494253 | 175869 |
| SL4 4NP | 51.47321200 | -0.64568800 | 47 | 101 | 494159 | 175786 |
| SL4 4NQ | 51.47456100 | -0.64412200 | 23 | 50 | 494265 | 175938 |
| SL4 4NR | 51.47255900 | -0.64517500 | 26 | 75 | 494196 | 175714 |
| SL4 4NS | 51.47237000 | -0.64588600 | 32 | 86 | 494147 | 175692 |
| SL4 4NT | 51.45718900 | -0.67325100 | 4 | 10 | 492277 | 173969 |
| SL4 4NW | 51.47311700 | -0.64446700 | 25 | 72 | 494244 | 175777 |
| SL4 4NY | 51.47695700 | -0.64288500 | 11 | 18 | 494346 | 176206 |
| SL4 4NZ | 51.47375200 | -0.64706700 | 4 | 9 | 494062 | 175844 |
| SL4 4PA | 51.47384700 | -0.64846300 | 20 | 43 | 493965 | 175853 |
| SL4 4PB | 51.47356000 | -0.64852900 | 24 | 59 | 493961 | 175821 |
| SL4 4PD | 51.47491800 | -0.64853200 | 48 | 134 | 493958 | 175972 |
| SL4 4PE | 51.47613600 | -0.64810700 | 26 | 55 | 493985 | 176108 |
| SL4 4PF | 51.47384800 | -0.65086800 | 27 | 65 | 493798 | 175850 |
| SL4 4PG | 51.47391700 | -0.65217600 | 9 | 19 | 493707 | 175856 |
| SL4 4PH | 51.47434000 | -0.65225000 | 7 | 12 | 493701 | 175903 |
| SL4 4PJ | 51.47574100 | -0.65128700 | 29 | 75 | 493765 | 176060 |
| SL4 4PL | 51.47459100 | -0.65064400 | 20 | 48 | 493812 | 175933 |
| SL4 4PN | 51.47522700 | -0.65035200 | 38 | 95 | 493831 | 176004 |
| SL4 4PP | 51.47628200 | -0.65223600 | 10 | 27 | 493698 | 176119 |
| SL4 4PQ | 51.47669700 | -0.65154700 | 35 | 81 | 493745 | 176166 |
| SL4 4PR | 51.47512100 | -0.65214000 | 13 | 34 | 493707 | 175990 |
| SL4 4PS | 51.47710100 | -0.64973200 | 58 | 125 | 493870 | 176213 |
| SL4 4PT | 51.47701600 | -0.65249900 | 35 | 51 | 493678 | 176200 |
| SL4 4PU | 51.47101600 | -0.63232000 | 26 | 43 | 495092 | 175559 |
| SL4 4PW | 51.47621000 | -0.64987600 | 49 | 112 | 493862 | 176114 |
| SL4 4PX | 51.45035400 | -0.68271700 | N/A | N/A | 491633 | 173197 |
| SL4 4PY | 51.47942900 | -0.66381900 | 2 | 9 | 492887 | 176454 |
| SL4 4PZ | 51.47700800 | -0.66916000 | 37 | 105 | 492521 | 176178 |
| SL4 4QA | 51.47438100 | -0.69136800 | 4 | 6 | 490984 | 175858 |
| SL4 4QD | 51.47668700 | -0.67038200 | 4 | 10 | 492437 | 176141 |
| SL4 4QE | 51.47620900 | -0.67576700 | 7 | 11 | 492064 | 176081 |
| SL4 4QF | 51.47720900 | -0.68215700 | 27 | 68 | 491618 | 176184 |
| SL4 4QG | 51.47345400 | -0.66285900 | 7 | 12 | 492966 | 175791 |
| SL4 4QH | 51.46828300 | -0.69698400 | 2 | 5 | 490606 | 175173 |
| SL4 4QJ | 51.46856500 | -0.70452000 | 1 | 5 | 490082 | 175195 |