SL1 3SX

SL1 3SXHouse Prices / South East, Slough, Windmill Road

Last updated May 2026

Key Postcode Insights

SL1 3SX is a residential postcode situated on Windmill Road, Slough, SL1 with 39 addresses.

It ranks as the 1215th largest and 351st most expensive of the 1,426 postcodes in the SL1 area. The dominant property type is a modern flat built after 1980.

The postcode contains a total of 39 properties: 39 flats.

39
Properties
  • Flats

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House Pricesin SL1 3SX

Sale prices range from £185,046 for 1 bedroom leasehold flats (419 ft2) to £261,970 for 2 bedroom leasehold flats (818 ft2) .

Monthly rental prices range from £1,031 pcm for 1 bed flats to £1,413 pcm for 2 bed flats.

The gross rental yield is between 6.5% and 6.8%.

The average value per square foot is £360.

Average Sale Value
£224,167
Average Rental Value
£1,244 pcm
Average Rental Yield
6.7% /year
Average Value Per Sqft
£360 /ft2
Prices last updated 1st May 2026
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Explore Propertiesin SL1 3SX, Windmill Road, Slough, SL1

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Sales History
in SL1 3SX

The last sale was on 20th November 2025 for £235,000 and since then the market in the area has increased by 1.4%. The postcode has had a total of 58 sales since 1995.

SL1 3SX has seen 2 sales in the last three years and 1 sale in the last twelve months.

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Nearby Postcodesto SL1 3SX

SL1 3SX is the 1215th largest and the 351st most expensive postcode out of the 1,426 postcodes in the SL1 area.

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Property Typesin SL1 3SX

  • 34 modern flats built after 1980
  • 1 flat of an unknown age
  • 4 other addresses of unknown type
  • modern flat (34)
  • flat (1)
  • Unknown (4)
Energy Efficiency

Energy Efficiencyof properties in SL1 3SX

  • Energy Performance Certificate (EPC) surveys conducted for 34 properties.
  • The dominant rating is C.
  • A (0)
  • E (0)
  • B (7)
  • F (0)
  • C (25)
  • G (0)
  • D (2)
  • No EPC (5)
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Schools Nearby

Schools Nearbyto SL1 3SX

The nearest primary school to SL1 3SX is Montem Academy which is 984 metres away.
  • 984
    m
    Montem Academy
  • 1.0
    km
    James Elliman Academy
  • 1.1
    km
    The Godolphin Junior Academy
The nearest secondary school is Herschel Grammar School which is 715 metres away.
  • 715
    m
    Herschel Grammar School
  • 778
    m
    Eden Girls' School, Slough
  • 1.1
    km
    Slough and Eton Church of England Business and Enterprise College
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearbyto SL1 3SX

The closest station to SL1 3SX is Slough station which is 1.2 kilometres away.

  • 1.2
    km
    Slough
  • 2.9
    km
    Burnham
  • 2.9
    km
    Burnham (Buckinghamshire)
  • 3.1
    km
    Windsor & Eton Riverside
Source: TFL & National Rail
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