Duke Street - SL4 1SQ
Key Postcode Insights
SL4 1SQ is a residential postcode situated on Duke Street, Windsor, SL4 with 18 addresses.
It ranks as the 783rd largest and 863rd most expensive of the 1,256 postcodes in the SL4 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 18 properties: 18 houses.
- Ave. Sale Price
- £633,244
- 10 Year change
- up 14.0%
- Ave. Rental Price
- £2,336pcm
- 10 Year change
- up 44.9%
- Ave. £ per ft²
- £559/ft²
- Ave. Gross Yield
- 4.4%/year/yr
Key Postcode Insights
SL4 1SQ is a residential postcode situated on Duke Street, Windsor, SL4 with 18 addresses.
It ranks as the 783rd largest and 863rd most expensive of the 1,256 postcodes in the SL4 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 18 properties: 18 houses.
- Ave. Sale Price
- £633,244
- 10 Year change
- up 14.0%
- Ave. Rental Price
- £2,336pcm
- 10 Year change
- up 44.9%
- Ave. £ per ft²
- £559/ft²
- Ave. Gross Yield
- 4.4%/year/yr
Explore Propertiesin SL4 1SQ
- 50 Duke Street
Unknown
- 52 Duke Street
Unknown
- 54 Duke Street
4 Bed Period House
- 56 Duke Street
3 Bed Period House
- 58 Duke Street
3 Bed Period House
Sales Market Trends
The last sale in SL4 1SQ sold for £805,000 on 18th July 2025. Since then prices are down an average of 1.1%.
The current average value in the postcode is £633,244.
The SL4 1SQ Sales Market has increased by 14.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -1% | £633,244 |
| June 2025 | 1.9% | £639,932 |
| June 2024 | -2.5% | £627,976 |
| June 2023 | 1.2% | £643,910 |
| June 2022 | 7.7% | £636,065 |
| June 2021 | 4.3% | £590,500 |
| June 2020 | 2.4% | £566,065 |
| June 2019 | -0.9% | £552,600 |
| June 2018 | -0.1% | £557,559 |
| June 2017 | 0.5% | £558,239 |
| June 2016 | 7.3% | £555,283 |
| June 2015 | 7.4% | £517,437 |
| June 2014 | 12.2% | £481,579 |
| June 2013 | 4.8% | £429,324 |
| June 2012 | -2.4% | £409,510 |
| June 2011 | 5% | £419,712 |
| June 2010 | 16.7% | £399,779 |
| June 2009 | -12.7% | £342,432 |
| June 2008 | -1% | £392,056 |
| June 2007 | 0% | £396,077 |
Rental Market Trends
The current average rental value in the postcode is £2,336.
The SL4 1SQ Rental Market has increased by 44.9% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.1% | £2,336pcm |
| June 2025 | 1.8% | £2,288pcm |
| June 2024 | 7.3% | £2,247pcm |
| June 2023 | 10.8% | £2,093pcm |
| June 2022 | 9.4% | £1,890pcm |
| June 2021 | 3.9% | £1,728pcm |
| June 2020 | 1.1% | £1,663pcm |
| June 2019 | 0.8% | £1,645pcm |
| June 2018 | 2.6% | £1,632pcm |
| June 2017 | -1.3% | £1,591pcm |
| June 2016 | -1.4% | £1,612pcm |
| June 2015 | 2.6% | £1,635pcm |
| June 2014 | 5.3% | £1,594pcm |
| June 2013 | 0.5% | £1,514pcm |
| June 2012 | 0% | £1,506pcm |
| June 2011 | 10.9% | £1,506pcm |
| June 2010 | 6.5% | £1,358pcm |
| June 2009 | -7.4% | £1,275pcm |
| June 2008 | -0.5% | £1,377pcm |
| June 2007 | 0% | £1,384pcm |
Sales History
The last sale was on 18th July 2025 for £805,000 and since then the market in the area has decreased by 1.1%. The postcode has had a total of 44 sales since 1995.
SL4 1SQ has seen 5 sales in the last three years and no sales in the last twelve months.
- Sold Jul 2025£805,000 | 4 Bed House70, Duke Street, Windsor, SL4 1SQ70, Duke Street, Windsor, SL4 1SQ
- Sold Feb 2025£690,000 | 3 Bed House76, Duke Street, Windsor, SL4 1SQ76, Duke Street, Windsor, SL4 1SQ
- Sold Oct 2024£640,000 | 3 Bed House62, Duke Street, Windsor, SL4 1SQ62, Duke Street, Windsor, SL4 1SQ
- Sold Feb 2024£500,000 | 3 Bed House58, Duke Street, Windsor, SL4 1SQ58, Duke Street, Windsor, SL4 1SQ
- Sold Nov 2023£500,000 | 3 Bed House64, Duke Street, Windsor, SL4 1SQ64, Duke Street, Windsor, SL4 1SQ
Nearby Postcodes
SL4 1SQ is the 783rd largest and the 863rd most expensive postcode out of the 1,256 postcodes in the SL4 area.
- SL4 1SJ, Duke Street, Windsor, SL4SL4 1SJ26 Addresses|22 m away
- SL4 5JA, Barry Avenue, Windsor, SL4SL4 5JA18 Addresses|41 m away
- SL4 5BZ, Vansittart Road, Windsor, SL4SL4 5BZ10 Addresses|67 m away
- SL4 5JB, Stovell Road, Windsor, SL4SL4 5JB7 Addresses|86 m away
- SL4 1SA, Duke Street, Windsor, SL4SL4 1SA22 Addresses|92 m away
Property Types
- 14 period houses built between 1800 and 1911
- 1 house of an unknown age
- 3 other addresses of unknown type
- period house (14)
- house (1)
- Unknown (3)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 14 properties.
- The most common rating is D.
- A (0)
- E (1)
- B (0)
- F (0)
- C (5)
- G (0)
- D (8)
- No EPC (4)
Top 3 Most Expensive Sales
- Sold Jul 2025£805,000 | 4 Bed House70, Duke Street, Windsor, SL4 1SQ70, Duke Street, Windsor, SL4 1SQ
- Sold Oct 2022£800,000 | 3 Bed House10, Duke Street, Windsor, SL4 1SA10, Duke Street, Windsor, SL4 1SA
- Sold May 2022£730,000 | 4 Bed House54, Duke Street, Windsor, SL4 1SQ54, Duke Street, Windsor, SL4 1SQ
Schools Nearby
- Trinity St Stephen CofE Aided First School300 m away
- St Edward's Catholic First School800 m away
- Eton Porny CofE First School900 m away
- The Windsor Boys' School200 m away
- Windsor Girls' School1.6 km away
- Slough and Eton Church of England Business and Enterprise College2.4 km away
More reading links
Public Transport Nearby
The closest station to SL4 1SQ is Windsor & Eton Central station, which is 600 metres away.
- Windsor & Eton Central|600 m away
- Windsor & Eton Riverside|900 m away
- Datchet|2.7 km away
- Slough|3.6 km away
