Westmead - SL4 3NL
Key Postcode Insights
SL4 3NL is a residential postcode situated on Westmead, Windsor, SL4 with 47 addresses.
It ranks as the 1204th largest and 190th most expensive of the 1,256 postcodes in the SL4 area. The most common property type is a mid-century flat built between 1936 and 1979.
The postcode contains a total of 47 properties: 7 houses and 40 flats.
- Ave. Sale Price
- £338,954
- 10 Year change
- up 9.3%
- Ave. Rental Price
- £1,581pcm
- 10 Year change
- up 38.8%
- Ave. £ per ft²
- £429/ft²
- Ave. Gross Yield
- 5.6%/year/yr
Key Postcode Insights
SL4 3NL is a residential postcode situated on Westmead, Windsor, SL4 with 47 addresses.
It ranks as the 1204th largest and 190th most expensive of the 1,256 postcodes in the SL4 area. The most common property type is a mid-century flat built between 1936 and 1979.
The postcode contains a total of 47 properties: 7 houses and 40 flats.
- Ave. Sale Price
- £338,954
- 10 Year change
- up 9.3%
- Ave. Rental Price
- £1,581pcm
- 10 Year change
- up 38.8%
- Ave. £ per ft²
- £429/ft²
- Ave. Gross Yield
- 5.6%/year/yr
Explore Propertiesin SL4 3NL
- 2 Westmead
Building  |  2 Flats
- 4 Westmead
Building  |  2 Flats
- 6 Westmead
Building  |  2 Flats
- 8 Westmead
Building  |  2 Flats
- 10 Westmead
Building  |  2 Flats
Sales Market Trends
The last sale in SL4 3NL sold for £330,000 on 30th July 2025. Since then prices are down an average of 1.1%.
The current average value in the postcode is £338,954.
The SL4 3NL Sales Market has increased by 9.3% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -1% | £338,954 |
| June 2025 | 1.8% | £342,348 |
| June 2024 | -2.5% | £336,231 |
| June 2023 | 0.7% | £344,944 |
| June 2022 | 6.6% | £342,671 |
| June 2021 | 3.6% | £321,550 |
| June 2020 | 2.2% | £310,319 |
| June 2019 | -1.2% | £303,534 |
| June 2018 | -0.8% | £307,271 |
| June 2017 | -0.1% | £309,902 |
| June 2016 | 7.9% | £310,144 |
| June 2015 | 7.8% | £287,463 |
| June 2014 | 12% | £266,728 |
| June 2013 | 5% | £238,070 |
| June 2012 | -2.6% | £226,731 |
| June 2011 | 4.3% | £232,699 |
| June 2010 | 15.6% | £223,147 |
| June 2009 | -13.5% | £193,109 |
| June 2008 | -0.9% | £223,359 |
| June 2007 | 0% | £225,445 |
Rental Market Trends
The current average rental value in the postcode is £1,581.
The SL4 3NL Rental Market has increased by 38.8% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.2% | £1,581pcm |
| June 2025 | 1.7% | £1,547pcm |
| June 2024 | 7.3% | £1,521pcm |
| June 2023 | 10.1% | £1,418pcm |
| June 2022 | 8.2% | £1,288pcm |
| June 2021 | 3.2% | £1,190pcm |
| June 2020 | 0.9% | £1,153pcm |
| June 2019 | 0.5% | £1,143pcm |
| June 2018 | 1.9% | £1,138pcm |
| June 2017 | -1.9% | £1,117pcm |
| June 2016 | -0.8% | £1,139pcm |
| June 2015 | 2.9% | £1,148pcm |
| June 2014 | 5.1% | £1,115pcm |
| June 2013 | 0.6% | £1,061pcm |
| June 2012 | -0.1% | £1,054pcm |
| June 2011 | 10.2% | £1,056pcm |
| June 2010 | 5.4% | £959pcm |
| June 2009 | -8.4% | £909pcm |
| June 2008 | -0.4% | £992pcm |
| June 2007 | 0% | £997pcm |
Sales History
The last sale was on 30th July 2025 for £330,000 and since then the market in the area has decreased by 1.1%. The postcode has had a total of 28 sales since 1995.
SL4 3NL has seen 4 sales in the last three years and 1 sale in the last twelve months.
- Sold Jul 2025£330,000 | 2 Bed Flat34, Westmead, Windsor, SL4 3NL34, Westmead, Windsor, SL4 3NL
- Sold Jan 2025£310,000 | 2 Bed Flat14A, Westmead, Windsor, SL4 3NL14A, Westmead, Windsor, SL4 3NL
- Sold Oct 2024£345,000 | 2 Bed Flat6, Westmead, Windsor, SL4 3NL6, Westmead, Windsor, SL4 3NL
- Sold Nov 2023£525,000 | 4 Bed House50, Westmead, Windsor, SL4 3NL50, Westmead, Windsor, SL4 3NL
- Sold Sep 2021£348,000 | 2 Bed Flat16, Westmead, Windsor, SL4 3NL16, Westmead, Windsor, SL4 3NL
Nearby Postcodes
SL4 3NL is the 1204th largest and the 190th most expensive postcode out of the 1,256 postcodes in the SL4 area.
- SL4 3NN, Westmead, Windsor, SL4SL4 3NN50 Addresses|64 m away
- SL4 3NF, Bulkeley Avenue, Windsor, SL4SL4 3NF20 Addresses|89 m away
- SL4 3NG, Bulkeley Avenue, Windsor, SL4SL4 3NG16 Addresses|117 m away
- SL4 3NE, Bulkeley Avenue, Windsor, SL4SL4 3NE8 Addresses|125 m away
- SL4 3FQ, Whistler Mews, Windsor, SL4SL4 3FQ5 Addresses|141 m away
Property Types
- 1 modern house built after 1980
- 6 mid-century houses built between 1936 and 1979
- 40 mid-century flats built between 1936 and 1979
- modern house (1)
- mid-century house (6)
- mid-century flat (40)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 36 properties.
- The most common rating is C.
- A (0)
- E (2)
- B (0)
- F (0)
- C (31)
- G (0)
- D (3)
- No EPC (11)
Top 3 Most Expensive Sales
Schools Nearby
- Oakfield First School100 m away
- Clewer Green CofE First School700 m away
- St Edward's Catholic First School800 m away
- Windsor Girls' School500 m away
- The Windsor Boys' School900 m away
- Churchmead Church of England (VA) School3.3 km away
More reading links
Public Transport Nearby
The closest station to SL4 3NL is Windsor & Eton Central station, which is 1.3 kilometres away.
- Windsor & Eton Central|1.3 km away
- Windsor & Eton Riverside|1.7 km away
- Datchet|3.2 km away
- Sunnymeads|4.5 km away
