SL1 postcode district
SL1 holds 1,654 live postcodes around Slough, in Slough, Buckinghamshire.
Towns and villages with their centre in SL1
| # | Place | County / council | Population |
|---|---|---|---|
| 1 | Slough | Slough | 164,793 |
| 2 | Burnham | Buckinghamshire | 12,500 |
Wards
| Name | Share of postcodes |
|---|---|
| Burnham | 18% |
| Herschel Park | 10% |
| Slough Central | 10% |
| Cippenham Manor | 8% |
| Cippenham Village | 8% |
| Chalvey | 8% |
| Cippenham Green | 8% |
| Baylis & Salt Hill | 7% |
| Haymill | 7% |
| Northborough & Lynch Hill Valley | 4% |
And 7 more.
Westminster constituencies
| Name | Share of postcodes |
|---|---|
| Slough | 82% |
| Beaconsfield | 18% |
Deprivation
The middle postcode here sits in decile 4 of the English Index of Multiple Deprivation (2021-Census LSOAs), where decile 1 is the most deprived tenth of neighbourhoods and 10 the least. 40% of this district's postcodes sit in the most deprived three deciles, 14% in the least deprived three.
Deprivation deciles describe the LSOA neighbourhood each postcode sits in, weighted by postcodes rather than by people, because the postcode file carries no population. A district where the deprived neighbourhoods are densely populated will read better here than it would per resident.
Neighbouring districts in the SL area
SL0 · SL2 · SL3 · SL4 · SL5 · SL6 · SL7 · SL8 · SL9 · SL60 · SL95
Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Source: Office for National Statistics licensed under the Open Government Licence v3.0. Postcode data is the ONS Postcode Directory, August 2026 edition; counts are live postcodes with a usable location. Northern Ireland postcodes carry a separate licence and are not included; Scotland joins when the site's Scottish coverage does.