Windmill Road - SL1 3SN
Key Postcode Insights
SL1 3SN is a residential postcode situated on Windmill Road, Slough, SL1 with 40 addresses.
It ranks as the 1240th largest and 179th 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 40 properties: 6 houses and 34 flats.
- Ave. Sale Price
- £266,391
- 10 Year change
- up 4.2%
- Ave. Rental Price
- £1,487pcm
- 10 Year change
- up 37.6%
- Ave. £ per ft²
- £310/ft²
- Ave. Gross Yield
- 6.7%/year/yr
Key Postcode Insights
SL1 3SN is a residential postcode situated on Windmill Road, Slough, SL1 with 40 addresses.
It ranks as the 1240th largest and 179th 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 40 properties: 6 houses and 34 flats.
- Ave. Sale Price
- £266,391
- 10 Year change
- up 4.2%
- Ave. Rental Price
- £1,487pcm
- 10 Year change
- up 37.6%
- Ave. £ per ft²
- £310/ft²
- Ave. Gross Yield
- 6.7%/year/yr
Explore Propertiesin SL1 3SN
- 78 Windmill Road
4 Bed Modern House
- 79 Windmill Road
4 Bed Modern House
- 80 Windmill Road
4 Bed Modern House
- 81 Windmill Road
4 Bed Modern House
- 82 Windmill Road
4 Bed Modern House
Sales Market Trends
The last sale in SL1 3SN sold for £235,000 on 18th September 2025. Since then prices are down an average of 0.9%.
The current average value in the postcode is £266,391.
The SL1 3SN Sales Market has increased by 4.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -1.4% | £266,391 |
| June 2025 | 1.1% | £270,255 |
| June 2024 | -2% | £267,234 |
| June 2023 | 0.7% | £272,702 |
| June 2022 | 5% | £270,793 |
| June 2021 | 3.1% | £257,989 |
| June 2020 | 0.1% | £250,122 |
| June 2019 | -2.8% | £249,749 |
| June 2018 | -1.6% | £256,906 |
| June 2017 | 2.2% | £261,076 |
| June 2016 | 16.3% | £255,577 |
| June 2015 | 16.2% | £219,706 |
| June 2014 | 10.3% | £189,081 |
| June 2013 | 1.4% | £171,413 |
| June 2012 | 0.8% | £169,117 |
| June 2011 | 1% | £167,760 |
| June 2010 | 8.6% | £166,179 |
| June 2009 | -12.9% | £153,081 |
| June 2008 | -0.4% | £175,848 |
| June 2007 | 0% | £176,540 |
Rental Market Trends
The current average rental value in the postcode is £1,487.
The SL1 3SN Rental Market has increased by 37.6% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 1.5% | £1,487pcm |
| June 2025 | 0.4% | £1,465pcm |
| June 2024 | 10.7% | £1,459pcm |
| June 2023 | 13.2% | £1,317pcm |
| June 2022 | 6.6% | £1,164pcm |
| June 2021 | 2.4% | £1,092pcm |
| June 2020 | 0.8% | £1,066pcm |
| June 2019 | 0.3% | £1,057pcm |
| June 2018 | -1.6% | £1,054pcm |
| June 2017 | -0.9% | £1,071pcm |
| June 2016 | 4% | £1,081pcm |
| June 2015 | 4.8% | £1,039pcm |
| June 2014 | 4.9% | £992pcm |
| June 2013 | 3.4% | £946pcm |
| June 2012 | 3% | £915pcm |
| June 2011 | 4.3% | £888pcm |
| June 2010 | 3.8% | £852pcm |
| June 2009 | -5% | £821pcm |
| June 2008 | 2.5% | £864pcm |
| June 2007 | 0% | £843pcm |
Sales History
The last sale was on 18th September 2025 for £235,000 and since then the market in the area has decreased by 0.9%. The postcode has had a total of 31 sales since 1995.
SL1 3SN has seen 3 sales in the last three years and 1 sale in the last twelve months.
- Sold Sep 2025£235,000 | 2 Bed Flat114, Windmill Road, Slough, SL1 3SN114, Windmill Road, Slough, SL1 3SN
- Sold Dec 2024£125,000 | 2 Bed Flat103, Windmill Road, Slough, SL1 3SN103, Windmill Road, Slough, SL1 3SN
- Sold Aug 2023£159,250 | 2 Bed Flat102, Windmill Road, Slough, SL1 3SN102, Windmill Road, Slough, SL1 3SN
- Sold Dec 2022£125,000 | 2 Bed Flat103, Windmill Road, Slough, SL1 3SN103, Windmill Road, Slough, SL1 3SN
- Sold Mar 2022£150,000 | 3 Bed Flat109, Windmill Road, Slough, SL1 3SN109, Windmill Road, Slough, SL1 3SN
Nearby Postcodes
SL1 3SN is the 1240th largest and the 179th most expensive postcode out of the 1,426 postcodes in the SL1 area.
- SL1 3SX, Windmill Road, Slough, SL1SL1 3SX39 Addresses|54 m away
- SL1 3SW, Windmill Road, Slough, SL1SL1 3SW45 Addresses|61 m away
- SL1 3TU, White Close, Slough, SL1SL1 3TU12 Addresses|78 m away
- SL1 3SU, Windmill Road, Slough, SL1SL1 3SU30 Addresses|80 m away
- SL1 3TT, Salt Hill Way, Slough, SL1SL1 3TT30 Addresses|114 m away
Property Types
- 6 modern houses built after 1980
- 29 modern flats built after 1980
- 1 flat of an unknown age
- 4 other addresses of unknown type
- modern house (6)
- modern flat (29)
- flat (1)
- Unknown (4)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 35 properties.
- The most common rating is C.
- A (0)
- E (0)
- B (12)
- F (0)
- C (22)
- G (0)
- D (1)
- No EPC (5)
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 Academy900 m away
- The Godolphin Junior Academy1.1 km away
- James Elliman Academy1.1 km away
- Herschel Grammar School700 m away
- Eden Girls' School, Slough700 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 3SN is Slough station, which is 1.2 kilometres away.
- Slough|1.2 km away
- Burnham|2.8 km away
- Burnham (Buckinghamshire)|2.8 km away
- Windsor & Eton Riverside|3.1 km away