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Postcode districts / SL

SL1 house prices and area facts

The SL1 postcode district in Slough, mostly in Slough.

In 2025, 582 homes sold in SL1 for a median of £395,931, 21.1% more than in 2020.

Median sold price, 2025
£395,931582 sales
Five-year change
+21.1%In the median price since 2020
Recorded crime
187A year per 1,000 residents; England and Wales 100
Flood risk
19.1%Of homes at high, medium or low risk from rivers, the sea or surface water
Gigabit broadband
92.8%Of premises can get it
Deprivation
10.9%Of postcodes in the nation's most deprived fifth of neighbourhoods
Homes
28,138With a recorded sale or an energy certificate

House prices since 1995

Median price of every recorded sale each year.

Median price by property type, 2025
TypeMedian priceSales
Detached£612,40089
Semi-detached£470,000156
Terraced£388,000147
Flats£235,000190

These figures describe SL1 as a whole, not any particular home. Crime is counted where it is recorded and divided by residents, so town centres with few residents show high rates; it does not measure personal safety. Sold prices: HM Land Registry. Crime: police.uk. Flood: Environment Agency and Natural Resources Wales. Broadband: Ofcom. Deprivation: the English and Welsh indices of deprivation. Licences.

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Other SL postcode districts