Duke Street - SL4 1SA
Key Postcode Insights
SL4 1SA is a residential postcode situated on Duke Street, Windsor, SL4 with 22 addresses.
It ranks as the 902nd largest and 767th 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 22 properties: 22 houses.
- Ave. Sale Price
- £583,337
- 10 Year change
- up 13.0%
- Ave. Rental Price
- £2,252pcm
- 10 Year change
- up 43.5%
- Ave. £ per ft²
- £561/ft²
- Ave. Gross Yield
- 4.6%/year/yr
Key Postcode Insights
SL4 1SA is a residential postcode situated on Duke Street, Windsor, SL4 with 22 addresses.
It ranks as the 902nd largest and 767th 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 22 properties: 22 houses.
- Ave. Sale Price
- £583,337
- 10 Year change
- up 13.0%
- Ave. Rental Price
- £2,252pcm
- 10 Year change
- up 43.5%
- Ave. £ per ft²
- £561/ft²
- Ave. Gross Yield
- 4.6%/year/yr
Explore Propertiesin SL4 1SA
- 2 Duke Street
3 Bed Period House
- 4 Duke Street
Unknown
- 6 Duke Street
3 Bed Period House
- 8 Duke Street
3 Bed House
- 10 Duke Street
3 Bed Period House
Sales Market Trends
The last sale in SL4 1SA sold for £560,000 on 15th August 2025. Since then prices are down an average of 1.3%.
The current average value in the postcode is £583,337.
The SL4 1SA Sales Market has increased by 13.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -1.7% | £583,337 |
| June 2025 | 1.2% | £593,131 |
| June 2024 | -2.4% | £586,076 |
| June 2023 | 0.8% | £600,382 |
| June 2022 | 7.6% | £595,555 |
| June 2021 | 5.2% | £553,305 |
| June 2020 | 2.6% | £525,925 |
| June 2019 | -1.2% | £512,436 |
| June 2018 | 0% | £518,771 |
| June 2017 | 0.5% | £518,865 |
| June 2016 | 6.5% | £516,424 |
| June 2015 | 6.2% | £485,002 |
| June 2014 | 11.3% | £456,749 |
| June 2013 | 4.8% | £410,509 |
| June 2012 | -2.3% | £391,778 |
| June 2011 | 5.4% | £401,014 |
| June 2010 | 17% | £380,485 |
| June 2009 | -12.3% | £325,324 |
| June 2008 | -1.1% | £370,754 |
| June 2007 | 0% | £374,900 |
Rental Market Trends
The current average rental value in the postcode is £2,252.
The SL4 1SA Rental Market has increased by 43.5% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 1.5% | £2,252pcm |
| June 2025 | 1.1% | £2,219pcm |
| June 2024 | 7.4% | £2,195pcm |
| June 2023 | 10.3% | £2,042pcm |
| June 2022 | 9.3% | £1,852pcm |
| June 2021 | 4.8% | £1,695pcm |
| June 2020 | 1.3% | £1,617pcm |
| June 2019 | 0.5% | £1,596pcm |
| June 2018 | 2.7% | £1,589pcm |
| June 2017 | -1.4% | £1,547pcm |
| June 2016 | -2.2% | £1,569pcm |
| June 2015 | 1.4% | £1,604pcm |
| June 2014 | 4.4% | £1,582pcm |
| June 2013 | 0.5% | £1,515pcm |
| June 2012 | 0.1% | £1,508pcm |
| June 2011 | 11.3% | £1,506pcm |
| June 2010 | 6.7% | £1,353pcm |
| June 2009 | -7% | £1,268pcm |
| June 2008 | -0.6% | £1,363pcm |
| June 2007 | 0% | £1,371pcm |
Sales History
The last sale was on 15th August 2025 for £560,000 and since then the market in the area has decreased by 1.3%. The postcode has had a total of 48 sales since 1995.
SL4 1SA has seen 2 sales in the last three years and 1 sale in the last twelve months.
- Sold Aug 2025£560,000 | 3 Bed House38, Duke Street, Windsor, SL4 1SA38, Duke Street, Windsor, SL4 1SA
- Sold Aug 2024£527,500 | 3 Bed House16, Duke Street, Windsor, SL4 1SA16, Duke Street, Windsor, SL4 1SA
- Sold Nov 2022£615,000 | 5 Bed House42, Duke Street, Windsor, SL4 1SA42, Duke Street, Windsor, SL4 1SA
- Sold Oct 2022£800,000 | 3 Bed House10, Duke Street, Windsor, SL4 1SA10, Duke Street, Windsor, SL4 1SA
- Sold Jun 2022£375,000 | 3 Bed House32, Duke Street, Windsor, SL4 1SA32, Duke Street, Windsor, SL4 1SA
Nearby Postcodes
SL4 1SA is the 902nd largest and the 767th most expensive postcode out of the 1,256 postcodes in the SL4 area.
- SL4 1SH, Duke Street, Windsor, SL4SL4 1SH24 Addresses|26 m away
- SL4 1SP, Windsor Business Centre, Windsor, SL4SL4 1SP2 Addresses|36 m away
- SL4 1SJ, Duke Street, Windsor, SL4SL4 1SJ26 Addresses|78 m away
- SL4 1RZ, Arthur Road, Windsor, SL4SL4 1RZ36 Addresses|90 m away
- SL4 1SQ, Duke Street, Windsor, SL4SL4 1SQ18 Addresses|92 m away
Property Types
- 17 period houses built between 1800 and 1911
- 1 house of an unknown age
- 4 other addresses of unknown type
- period house (17)
- house (1)
- Unknown (4)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 17 properties.
- The most common rating is D.
- A (0)
- E (4)
- B (0)
- F (0)
- C (4)
- G (0)
- D (9)
- No EPC (5)
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 School200 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 1SA is Windsor & Eton Central station, which is 500 metres away.
- Windsor & Eton Central|500 m away
- Windsor & Eton Riverside|800 m away
- Datchet|2.7 km away
- Slough|3.6 km away