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 2QY | 51.45686000 | -0.59255700 | 24 | 42 | 497884 | 174037 |
| SL4 2QZ | 51.45476000 | -0.59741400 | 3 | 10 | 497551 | 173797 |
| SL4 2RA | 51.45560800 | -0.59387600 | 1 | 2 | 497795 | 173896 |
| SL4 2RB | 51.45789100 | -0.58561600 | 21 | 43 | 498364 | 174161 |
| SL4 2RD | 51.45744300 | -0.58650800 | 11 | 25 | 498303 | 174110 |
| SL4 2RE | 51.45692200 | -0.58656700 | 12 | 17 | 498300 | 174052 |
| SL4 2RF | 51.45850400 | -0.58496400 | 26 | 67 | 498408 | 174230 |
| SL4 2RG | 51.45836900 | -0.58122500 | 20 | 50 | 498668 | 174220 |
| SL4 2RH | 51.45785100 | -0.58006100 | 8 | 27 | 498750 | 174164 |
| SL4 2RJ | 51.46517200 | -0.58690200 | 9 | 16 | 498259 | 174969 |
| SL4 2RL | 51.46397600 | -0.58604400 | 9 | 40 | 498321 | 174837 |
| SL4 2RN | 51.46416200 | -0.58513400 | 29 | 35 | 498384 | 174859 |
| SL4 2RP | 51.46260800 | -0.58382900 | 6 | 15 | 498478 | 174688 |
| SL4 2RQ | 51.46635600 | -0.58653200 | 7 | 19 | 498282 | 175101 |
| SL4 2RR | 51.46271200 | -0.58496300 | 1 | 5 | 498399 | 174698 |
| SL4 2RS | 51.46091500 | -0.58058500 | 22 | 62 | 498707 | 174504 |
| SL4 2RT | 51.46125000 | -0.58231600 | 19 | 51 | 498586 | 174539 |
| SL4 2RU | 51.46011100 | -0.58183300 | 14 | 53 | 498622 | 174413 |
| SL4 2RW | 51.46323700 | -0.58451500 | 7 | 14 | 498429 | 174757 |
| SL4 2RX | 51.45843400 | -0.57988200 | 25 | 68 | 498761 | 174229 |
| SL4 2RY | 51.45714800 | -0.58067300 | 11 | 36 | 498709 | 174085 |
| SL4 2RZ | 51.45658100 | -0.57985600 | 30 | 65 | 498767 | 174023 |
| SL4 2SA | 51.45761600 | -0.57772200 | 4 | 11 | 498913 | 174141 |
| SL4 2SB | 51.45641200 | -0.57781700 | 12 | 35 | 498909 | 174007 |
| SL4 2SD | 51.45553500 | -0.57741300 | 17 | 49 | 498939 | 173910 |
| SL4 2SE | 51.45508500 | -0.57509200 | 7 | 17 | 499101 | 173863 |
| SL4 2SG | 51.45419000 | -0.57551100 | 22 | 35 | 499074 | 173763 |
| SL4 2SH | 51.45214100 | -0.57415000 | 1 | 5 | 499173 | 173537 |
| SL4 2SJ | 51.45158500 | -0.57422500 | 8 | 14 | 499169 | 173475 |
| SL4 2SL | 51.45359400 | -0.57453700 | 4 | 9 | 499143 | 173698 |
| SL4 2SN | 51.45719700 | -0.58398200 | 39 | 91 | 498479 | 174086 |
| SL4 2SP | 51.45807900 | -0.58776900 | 4 | 14 | 498214 | 174179 |
| SL4 2SQ | 51.45224900 | -0.57491000 | 15 | 32 | 499120 | 173548 |
| SL4 2SR | 51.46616300 | -0.58629600 | 5 | 14 | 498299 | 175080 |
| SL4 2SS | 51.45457100 | -0.57501000 | 9 | 13 | 499108 | 173806 |
| SL4 2ST | 51.45768300 | -0.58095600 | N/A | N/A | 498688 | 174144 |
| SL4 2SY | 51.46377600 | -0.58815500 | 3 | 6 | 498175 | 174812 |
| SL4 2SZ | 51.46369500 | -0.58664600 | 3 | 5 | 498280 | 174805 |
| SL4 2WJ | 51.48116200 | -0.61040100 | N/A | N/A | 496593 | 176716 |
| SL4 2XN | 51.48116200 | -0.61040100 | N/A | N/A | 496593 | 176716 |
| SL4 3AA | 51.47749500 | -0.60806200 | 12 | 24 | 496763 | 176311 |
| SL4 3AE | 51.47741600 | -0.60762000 | 12 | 31 | 496794 | 176303 |
| SL4 3AG | 51.47672400 | -0.60840400 | 10 | 19 | 496741 | 176225 |
| SL4 3AH | 51.47681100 | -0.60884600 | 10 | 27 | 496710 | 176234 |
| SL4 3AJ | 51.47609500 | -0.60996400 | 21 | 63 | 496634 | 176153 |
| SL4 3AL | 51.47555400 | -0.60832500 | 12 | 36 | 496749 | 176095 |
| SL4 3AN | 51.47521000 | -0.61197800 | 3 | 8 | 496496 | 176052 |
| SL4 3AP | 51.47950500 | -0.61321600 | 14 | 40 | 496401 | 176528 |
| SL4 3AQ | 51.47539100 | -0.61054700 | 28 | 91 | 496595 | 176074 |
| SL4 3AR | 51.47951000 | -0.61284100 | 6 | 12 | 496427 | 176529 |