Duke Street - SL4 1SJ
Key Postcode Insights
SL4 1SJ is a residential postcode situated on Duke Street, Windsor, SL4 with 26 addresses.
It ranks as the 981st largest and 433rd 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 26 properties: 22 houses and 4 flats.
- Ave. Sale Price
- £445,800
- 10 Year change
- up 5.4%
- Ave. Rental Price
- £1,671pcm
- 10 Year change
- up 33.9%
- Ave. £ per ft²
- £756/ft²
- Ave. Gross Yield
- 4.5%/year/yr
Key Postcode Insights
SL4 1SJ is a residential postcode situated on Duke Street, Windsor, SL4 with 26 addresses.
It ranks as the 981st largest and 433rd 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 26 properties: 22 houses and 4 flats.
- Ave. Sale Price
- £445,800
- 10 Year change
- up 5.4%
- Ave. Rental Price
- £1,671pcm
- 10 Year change
- up 33.9%
- Ave. £ per ft²
- £756/ft²
- Ave. Gross Yield
- 4.5%/year/yr
Explore Propertiesin SL4 1SJ
- 51 Duke Street
3 Bed Period House
- 53 Duke Street
2 Bed Period House
- 55 Duke Street
Unknown
- 57 Duke Street
3 Bed House
- 59 Duke Street
2 Bed Period House
Sales Market Trends
The last sale in SL4 1SJ sold for £625,000 on 30th March 2026. Since then prices are up an average of 0.2%.
The current average value in the postcode is £445,800.
The SL4 1SJ Sales Market has increased by 5.4% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -0.7% | £445,800 |
| June 2025 | 1.9% | £449,070 |
| June 2024 | -2.5% | £440,784 |
| June 2023 | 0.1% | £452,245 |
| June 2022 | 5.5% | £451,927 |
| June 2021 | 2.8% | £428,503 |
| June 2020 | 2.2% | £416,964 |
| June 2019 | -1.4% | £408,095 |
| June 2018 | -1.4% | £414,091 |
| June 2017 | -0.6% | £420,164 |
| June 2016 | 8.6% | £422,894 |
| June 2015 | 8.3% | £389,276 |
| June 2014 | 12% | £359,356 |
| June 2013 | 5.1% | £320,921 |
| June 2012 | -2.6% | £305,249 |
| June 2011 | 3.5% | £313,503 |
| June 2010 | 14.3% | £302,988 |
| June 2009 | -14.5% | £265,165 |
| June 2008 | -0.8% | £310,075 |
| June 2007 | 0% | £312,626 |
Rental Market Trends
The current average rental value in the postcode is £1,671.
The SL4 1SJ Rental Market has increased by 33.9% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.4% | £1,671pcm |
| June 2025 | 1.8% | £1,631pcm |
| June 2024 | 7.3% | £1,602pcm |
| June 2023 | 9.5% | £1,494pcm |
| June 2022 | 7.1% | £1,364pcm |
| June 2021 | 2.4% | £1,274pcm |
| June 2020 | 0.8% | £1,244pcm |
| June 2019 | 0.2% | £1,234pcm |
| June 2018 | 1.2% | £1,231pcm |
| June 2017 | -2.5% | £1,216pcm |
| June 2016 | -0.2% | £1,248pcm |
| June 2015 | 3.4% | £1,250pcm |
| June 2014 | 5.1% | £1,208pcm |
| June 2013 | 0.8% | £1,150pcm |
| June 2012 | -0.2% | £1,141pcm |
| June 2011 | 9.3% | £1,143pcm |
| June 2010 | 4.3% | £1,046pcm |
| June 2009 | -9.4% | £1,003pcm |
| June 2008 | -0.3% | £1,107pcm |
| June 2007 | 0% | £1,110pcm |
Sales History
The last sale was on 30th March 2026 for £625,000 and since then the market in the area has increased by 0.2%. The postcode has had a total of 74 sales since 1995.
SL4 1SJ has seen 6 sales in the last three years and 2 sales in the last twelve months.
- Sold Mar 2026£625,000 | 3 Bed House51, Duke Street, Windsor, SL4 1SJ51, Duke Street, Windsor, SL4 1SJ
- Sold Jan 2026£468,000 | 2 Bed House89, Duke Street, Windsor, SL4 1SJ89, Duke Street, Windsor, SL4 1SJ
- Sold May 2025£437,000 | 2 Bed House69, Duke Street, Windsor, SL4 1SJ69, Duke Street, Windsor, SL4 1SJ
- Sold Oct 2023£485,000 | 2 Bed House63, Duke Street, Windsor, SL4 1SJ63, Duke Street, Windsor, SL4 1SJ
- Sold Jun 2023£473,500 | 2 Bed House67, Duke Street, Windsor, SL4 1SJ67, Duke Street, Windsor, SL4 1SJ
Nearby Postcodes
SL4 1SJ is the 981st largest and the 433rd most expensive postcode out of the 1,256 postcodes in the SL4 area.
- SL4 1SQ, Duke Street, Windsor, SL4SL4 1SQ18 Addresses|22 m away
- SL4 5JA, Barry Avenue, Windsor, SL4SL4 5JA18 Addresses|63 m away
- SL4 5BY, Vansittart Road, Windsor, SL4SL4 5BY25 Addresses|73 m away
- SL4 5BZ, Vansittart Road, Windsor, SL4SL4 5BZ10 Addresses|74 m away
- SL4 1SH, Duke Street, Windsor, SL4SL4 1SH24 Addresses|75 m away
Property Types
- 19 period houses built between 1800 and 1911
- 4 period flats built between 1800 and 1911
- 1 house of an unknown age
- 2 other addresses of unknown type
- period house (19)
- period flat (4)
- house (1)
- Unknown (2)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 22 properties.
- The most common rating is D.
- A (0)
- E (2)
- B (0)
- F (0)
- C (5)
- G (0)
- D (15)
- 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 College2.5 km away
More reading links
Public Transport Nearby
The closest station to SL4 1SJ 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
