SL1 spans the counties of Buckinghamshire and Berkshire. It contains the town of Slough, as well as Cippenham, Burnham, Salt Hill, Lent Rise, and Chalvey. SL1 is 33km south-west of the city of St Albans. SL1 is a postcode district, also known as an outcode or outbound code.
The below map shows where SL1 is, and the boundary of the SL1 postcode district:
Postal Boundaries © GEOLYTIX copyright and database right 2012
SL1 lies within the counties of Buckinghamshire and Berkshire. The below table and chart shows the split by area:
| County | % Area |
|---|---|
| Buckinghamshire | 58% |
| Berkshire | 42% |
| Slough | Town |
| Cippenham | Suburb |
| Burnham | Suburb |
| Salt Hill | Suburb |
| Lent Rise | Suburb |
| Chalvey | Suburb |
| Hitchambury | Village |
| Rose Hill | Hamlet |
| Littleworth Corner | Hamlet |
Position of SL1 relative to nearby towns. Distance is measured from the centre of SL1 to the centre of the town.
Position of SL1 relative to nearby cities. Distance is measured from the centre of SL1 to the centre of the city.