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 4QL | 51.46901100 | -0.70439500 | 1 | 2 | 490090 | 175245 |
| SL4 4QN | 51.46904500 | -0.70826700 | 4 | 8 | 489821 | 175244 |
| SL4 4QP | 51.46746600 | -0.70435000 | N/A | N/A | 490096 | 175073 |
| SL4 4QQ | 51.46973000 | -0.70924100 | 9 | 22 | 489752 | 175319 |
| SL4 4QR | 51.45071600 | -0.70472600 | 2 | 3 | 490103 | 173210 |
| SL4 4QS | 51.44849200 | -0.70693300 | 8 | 22 | 489954 | 172960 |
| SL4 4QT | 51.44844200 | -0.70561100 | 1 | 3 | 490046 | 172956 |
| SL4 4QU | 51.45024200 | -0.70077900 | 21 | 53 | 490378 | 173162 |
| SL4 4QW | 51.46091900 | -0.70366000 | 1 | 1 | 490157 | 174346 |
| SL4 4QX | 51.45003000 | -0.70114500 | 2 | 4 | 490353 | 173138 |
| SL4 4QY | 51.44975600 | -0.70089600 | 6 | 16 | 490371 | 173108 |
| SL4 4QZ | 51.45595100 | -0.65456200 | 1 | 2 | 493578 | 173855 |
| SL4 4RA | 51.45808200 | -0.64660900 | 2 | 6 | 494126 | 174102 |
| SL4 4RB | 51.47245200 | -0.63288200 | 5 | 16 | 495050 | 175718 |
| SL4 4RE | 51.47827000 | -0.64743700 | N/A | N/A | 494027 | 176346 |
| SL4 4RH | 51.44586200 | -0.66233900 | 2 | 8 | 493058 | 172723 |
| SL4 4RJ | 51.44501100 | -0.66108300 | 2 | 4 | 493147 | 172630 |
| SL4 4RL | 51.45304900 | -0.66974500 | 10 | 24 | 492529 | 173513 |
| SL4 4RN | 51.47506100 | -0.64772200 | 1 | 1 | 494014 | 175989 |
| SL4 4RP | 51.45769700 | -0.67352200 | 3 | 5 | 492257 | 174025 |
| SL4 4RR | 51.46710000 | -0.68537400 | 5 | 14 | 491415 | 175056 |
| SL4 4RS | 51.46973800 | -0.68090700 | 4 | 10 | 491720 | 175355 |
| SL4 4RU | 51.45595500 | -0.68009300 | 10 | 18 | 491804 | 173823 |
| SL4 4RW | 51.45516800 | -0.66945300 | 4 | 10 | 492545 | 173749 |
| SL4 4RX | 51.45565700 | -0.67925200 | 1 | 2 | 491863 | 173791 |
| SL4 4RZ | 51.45207600 | -0.68390600 | 11 | 33 | 491547 | 173387 |
| SL4 4SA | 51.45347600 | -0.68836800 | 24 | 42 | 491234 | 173537 |
| SL4 4SB | 51.45270500 | -0.68936800 | 2 | 3 | 491166 | 173450 |
| SL4 4SD | 51.44114100 | -0.69352900 | 1 | 2 | 490900 | 172159 |
| SL4 4SE | 51.44264400 | -0.70170200 | 16 | 44 | 490329 | 172316 |
| SL4 4SF | 51.44240000 | -0.69755100 | 16 | 40 | 490618 | 172294 |
| SL4 4SG | 51.44340800 | -0.69924900 | 8 | 8 | 490498 | 172404 |
| SL4 4SH | 51.44394400 | -0.69654300 | 4 | 10 | 490685 | 172467 |
| SL4 4SJ | 51.44473200 | -0.70912300 | 13 | 29 | 489809 | 172539 |
| SL4 4SL | 51.44481900 | -0.70804200 | 2 | 7 | 489884 | 172550 |
| SL4 4SN | 51.44470200 | -0.70888000 | 2 | 6 | 489826 | 172536 |
| SL4 4SP | 51.44566100 | -0.70619300 | 2 | 7 | 490011 | 172646 |
| SL4 4SQ | 51.44338900 | -0.69911800 | 2 | 3 | 490507 | 172402 |
| SL4 4SR | 51.44564100 | -0.71092800 | 4 | 7 | 489682 | 172638 |
| SL4 4SS | 51.45347700 | -0.68767700 | N/A | N/A | 491282 | 173538 |
| SL4 4ST | 51.45377100 | -0.68740900 | 1 | 1 | 491300 | 173571 |
| SL4 4SU | 51.44805900 | -0.71072800 | N/A | N/A | 489691 | 172907 |
| SL4 4SW | 51.44652700 | -0.70569400 | 12 | 29 | 490044 | 172743 |
| SL4 4SX | 51.48116200 | -0.61040100 | N/A | N/A | 496593 | 176716 |
| SL4 4SY | 51.44672500 | -0.66870500 | 28 | 58 | 492614 | 172811 |
| SL4 4SZ | 51.44778300 | -0.66684700 | 1 | 1 | 492741 | 172931 |
| SL4 4TA | 51.44800400 | -0.66571800 | 22 | 33 | 492819 | 172957 |
| SL4 4TB | 51.44742700 | -0.66723100 | 1 | 2 | 492715 | 172891 |
| SL4 4TE | 51.44378300 | -0.67494900 | 10 | 32 | 492186 | 172476 |
| SL4 4TF | 51.44773200 | -0.66786800 | 14 | 31 | 492670 | 172924 |