Windmill Road - SL1 3SX
Key Postcode Insights
SL1 3SX is a residential postcode situated on Windmill Road, Slough, SL1 with 39 addresses.
It ranks as the 1216th largest and 345th most expensive of the 1,426 postcodes in the SL1 area. The most common property type is a modern flat built after 1980.
The postcode contains a total of 39 properties: 39 flats.
- Ave. Sale Price
- £222,153
- 10 Year change
- down 2.8%
- Ave. Rental Price
- £1,210pcm
- 10 Year change
- up 28.3%
- Ave. £ per ft²
- £364/ft²
- Ave. Gross Yield
- 6.5%/year/yr
Key Postcode Insights
SL1 3SX is a residential postcode situated on Windmill Road, Slough, SL1 with 39 addresses.
It ranks as the 1216th largest and 345th most expensive of the 1,426 postcodes in the SL1 area. The most common property type is a modern flat built after 1980.
The postcode contains a total of 39 properties: 39 flats.
- Ave. Sale Price
- £222,153
- 10 Year change
- down 2.8%
- Ave. Rental Price
- £1,210pcm
- 10 Year change
- up 28.3%
- Ave. £ per ft²
- £364/ft²
- Ave. Gross Yield
- 6.5%/year/yr
Explore Propertiesin SL1 3SX
- 39 Windmill Road
2 Bed Modern Flat
- 40 Windmill Road
2 Bed Modern Flat
- 41 Windmill Road
2 Bed Modern Flat
- 42 Windmill Road
2 Bed Modern Flat
- 43 Windmill Road
2 Bed Modern Flat
Sales Market Trends
The last sale in SL1 3SX sold for £235,000 on 20th November 2025. Since then prices are up an average of 1.2%.
The current average value in the postcode is £222,153.
The SL1 3SX Sales Market has decreased by 2.8% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -0.5% | £222,153 |
| June 2025 | 1.4% | £223,219 |
| June 2024 | -2.2% | £220,195 |
| June 2023 | 0.3% | £225,226 |
| June 2022 | 2.8% | £224,529 |
| June 2021 | 0.9% | £218,421 |
| June 2020 | -0.1% | £216,454 |
| June 2019 | -3.7% | £216,741 |
| June 2018 | -3% | £224,989 |
| June 2017 | 1.5% | £231,938 |
| June 2016 | 17.9% | £228,556 |
| June 2015 | 17.2% | £193,797 |
| June 2014 | 10.7% | £165,347 |
| June 2013 | 1.6% | £149,398 |
| June 2012 | 0.4% | £147,044 |
| June 2011 | -0.7% | £146,526 |
| June 2010 | 5.8% | £147,492 |
| June 2009 | -14% | £139,372 |
| June 2008 | 0% | £162,140 |
| June 2007 | 0% | £162,171 |
Rental Market Trends
The current average rental value in the postcode is £1,210.
The SL1 3SX Rental Market has increased by 28.3% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.5% | £1,210pcm |
| June 2025 | 0.7% | £1,180pcm |
| June 2024 | 10.5% | £1,172pcm |
| June 2023 | 12.8% | £1,061pcm |
| June 2022 | 4.4% | £941pcm |
| June 2021 | 0.2% | £901pcm |
| June 2020 | 0.6% | £900pcm |
| June 2019 | -0.6% | £895pcm |
| June 2018 | -3% | £900pcm |
| June 2017 | -1.6% | £928pcm |
| June 2016 | 5.4% | £943pcm |
| June 2015 | 5.7% | £894pcm |
| June 2014 | 5.2% | £846pcm |
| June 2013 | 3.7% | £804pcm |
| June 2012 | 2.5% | £776pcm |
| June 2011 | 2.6% | £757pcm |
| June 2010 | 1.2% | £737pcm |
| June 2009 | -6.2% | £729pcm |
| June 2008 | 2.9% | £777pcm |
| June 2007 | 0% | £755pcm |
Sales History
The last sale was on 20th November 2025 for £235,000 and since then the market in the area has increased by 1.2%. 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.
- Sold Nov 2025£235,000 | 2 Bed Flat51, Windmill Road, Slough, SL1 3SX51, Windmill Road, Slough, SL1 3SX
- Sold May 2025£175,000 | 2 Bed Flat58, Windmill Road, Slough, SL1 3SX58, Windmill Road, Slough, SL1 3SX
- Sold Sep 2022£265,000 | 2 Bed Flat66, Windmill Road, Slough, SL1 3SX66, Windmill Road, Slough, SL1 3SX
- Sold Jan 2022£182,000 | 2 Bed Flat76, Windmill Road, Slough, SL1 3SX76, Windmill Road, Slough, SL1 3SX
- Sold Jun 2021£270,000 | 2 Bed Flat57, Windmill Road, Slough, SL1 3SX57, Windmill Road, Slough, SL1 3SX
Nearby Postcodes
SL1 3SX is the 1216th largest and the 345th most expensive postcode out of the 1,426 postcodes in the SL1 area.
- SL1 3SN, Windmill Road, Slough, SL1SL1 3SN40 Addresses|54 m away
- SL1 3TU, White Close, Slough, SL1SL1 3TU12 Addresses|57 m away
- SL1 3SW, Windmill Road, Slough, SL1SL1 3SW45 Addresses|102 m away
- SL1 3TT, Salt Hill Way, Slough, SL1SL1 3TT30 Addresses|108 m away
- SL1 3SU, Windmill Road, Slough, SL1SL1 3SU30 Addresses|120 m away
Property Types
- 37 modern flats built after 1980
- 1 flat of an unknown age
- 1 other address of unknown type
- modern flat (37)
- flat (1)
- Unknown (1)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 37 properties.
- The most common rating is C.
- A (0)
- E (0)
- B (9)
- F (0)
- C (26)
- G (0)
- D (2)
- No EPC (2)
Top 3 Most Expensive Sales
- Sold Nov 2017£465,000 | 4 Bed House35, Windmill Road, Slough, SL1 3SU35, Windmill Road, Slough, SL1 3SU
- Sold Jun 2020£392,000 | 3 Bed House24, Windmill Road, Slough, SL1 3SU24, Windmill Road, Slough, SL1 3SU
- Sold Oct 2025£370,000 | 3 Bed House14, Windmill Road, Slough, SL1 3SU14, Windmill Road, Slough, SL1 3SU
Schools Nearby
- Montem Academy1.0 km away
- James Elliman Academy1.0 km away
- The Godolphin Junior Academy1.1 km away
- Herschel Grammar School700 m away
- Eden Girls' School, Slough800 m away
- Slough and Eton Church of England Business and Enterprise College1.1 km away
More reading links
Public Transport Nearby
The closest station to SL1 3SX is Slough station, which is 1.2 kilometres away.
- Slough|1.2 km away
- Burnham|2.9 km away
- Burnham (Buckinghamshire)|2.9 km away
- Windsor & Eton Riverside|3.1 km away
