Map of SL1 1RJ postcode No longer in use

General information
Postcode SL1 1RJ
Post Town Slough
Nearest station Slough (1 km)
Bus stops
Observatory Centre (E)
Wexham Road (E)
Mountbatten Close (NE)
Mountbatten Close (SW)
Herschel Street (E)
High Street East (NE)
Known addresses
No addresses found
Businesses
No businesses found
Geography
Latitude 51.505929
Longitude -0.587916
Easting 498101
Northing 179500
Grid reference SU981795
UTM reference 30U 667396 5708847
what3words even.served.rested
FixPhrase cringing maggot scarecrow virtual
Plus code 9C3XGC46+9R
Altitude 29 metres (96 feet)
Sunrise (today) 7:37
Sunset (today) 16:57
Distance away
Distance to sea 69.4 KMs (43.1 miles)
Administrative areas
Parish Slough, unparished area E43000235
Ward Herschel Park E05015535
Unitary Authority Slough E06000039
County Berkshire E11000002
Constituency (2024) Slough E14001477
MP Mr Tanmanjeet Singh Dhesi Labour
Police force Thames Valley
NUTS/ITL 3 Berkshire East
NUTS/ITL 2 Berkshire, Buckinghamshire and Oxfordshire
NUTS/ITL 1 South East
Country England E92000001
Data
Date introduced December 1994
Date usage ended July 1995
Last updated December 2025
User type Large (addresses receive more than 25 items of mail per day)
Quality Postcode terminated prior to Gridlink initiative - last known ONS postcode grid reference
Demographics
Index of Multiple Deprivation (2017-2020)
8,419 / 32,844
Most deprivedLeast deprived
Average household income (2020)
£63,400
Lowest (£22,200) Highest (£108,100)
Rural/urban (2021)Urban: Nearer to a major town or city
Rural/urban (2011)Urban city and town
Built up area (2024)SloughE63012046
Census output area (2021)E00188423
Census output area (2011)E00083366
Lower layer super output area (2021)Slough 011AE01016511
Lower layer super output area (2011)Slough 011AE01016511
Middle layer super output area (2021)Central Slough & Upton CourtE02003417
Middle layer super output area (2011)Central Slough & Upton CourtE02003417
Travel to work areaSlough and HeathrowE30000266
Property sales
Average property price in Slough £520,193
Annual change -0.6%
View all properties sold in the SL postcode area
Properties recently sold in this postcode
No recent recorded sales

View all properties sold in the SL1 1 sector

Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Contains OS data © Crown copyright and database right 2026
Contains Royal Mail data © Royal Mail copyright and database right 2026
Contains National Statistics data © Crown copyright and database rights 2026
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license