Westmead - SL4 3NN
Key Postcode Insights
SL4 3NN is a residential postcode situated on Westmead, Windsor, SL4 with 50 addresses.
It ranks as the 1224th largest and 184th 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 50 properties: 15 houses and 35 flats.
- Ave. Sale Price
- £368,863
- 10 Year change
- up 9.9%
- Ave. Rental Price
- £1,687pcm
- 10 Year change
- up 39.6%
- Ave. £ per ft²
- £425/ft²
- Ave. Gross Yield
- 5.5%/year/yr
Key Postcode Insights
SL4 3NN is a residential postcode situated on Westmead, Windsor, SL4 with 50 addresses.
It ranks as the 1224th largest and 184th 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 50 properties: 15 houses and 35 flats.
- Ave. Sale Price
- £368,863
- 10 Year change
- up 9.9%
- Ave. Rental Price
- £1,687pcm
- 10 Year change
- up 39.6%
- Ave. £ per ft²
- £425/ft²
- Ave. Gross Yield
- 5.5%/year/yr
Explore Propertiesin SL4 3NN
- 1 Westmead
Building  |  2 Flats
- 3 Westmead
Building  |  2 Flats
- 5 Westmead
Building  |  2 Flats
- 7 Westmead
Building  |  2 Flats
- 9 Westmead
Building  |  2 Flats
Sales Market Trends
The last sale in SL4 3NN sold for £385,000 on 16th March 2026. Since then prices are down an average of 2.9%.
The current average value in the postcode is £368,863.
The SL4 3NN Sales Market has increased by 9.9% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -1.2% | £368,863 |
| June 2025 | 1.5% | £373,462 |
| June 2024 | -2.5% | £368,114 |
| June 2023 | 0.7% | £377,470 |
| June 2022 | 6.8% | £374,724 |
| June 2021 | 4% | £350,774 |
| June 2020 | 2.3% | £337,135 |
| June 2019 | -1.2% | £329,689 |
| June 2018 | -0.7% | £333,632 |
| June 2017 | 0.1% | £335,912 |
| June 2016 | 7.3% | £335,587 |
| June 2015 | 7.1% | £312,746 |
| June 2014 | 11.7% | £292,016 |
| June 2013 | 4.9% | £261,518 |
| June 2012 | -2.5% | £249,286 |
| June 2011 | 4.7% | £255,564 |
| June 2010 | 16.1% | £244,138 |
| June 2009 | -13.1% | £210,332 |
| June 2008 | -1% | £241,957 |
| June 2007 | 0% | £244,359 |
Rental Market Trends
The current average rental value in the postcode is £1,687.
The SL4 3NN Rental Market has increased by 39.6% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 1.9% | £1,687pcm |
| June 2025 | 1.4% | £1,655pcm |
| June 2024 | 7.3% | £1,632pcm |
| June 2023 | 10.2% | £1,521pcm |
| June 2022 | 8.5% | £1,380pcm |
| June 2021 | 3.7% | £1,273pcm |
| June 2020 | 0.9% | £1,228pcm |
| June 2019 | 0.5% | £1,217pcm |
| June 2018 | 2% | £1,211pcm |
| June 2017 | -1.7% | £1,187pcm |
| June 2016 | -1.4% | £1,208pcm |
| June 2015 | 2.3% | £1,225pcm |
| June 2014 | 4.8% | £1,197pcm |
| June 2013 | 0.5% | £1,143pcm |
| June 2012 | 0% | £1,137pcm |
| June 2011 | 10.6% | £1,137pcm |
| June 2010 | 5.9% | £1,028pcm |
| June 2009 | -7.9% | £971pcm |
| June 2008 | -0.5% | £1,054pcm |
| June 2007 | 0% | £1,059pcm |
Sales History
The last sale was on 16th March 2026 for £385,000 and since then the market in the area has decreased by 2.9%. The postcode has had a total of 33 sales since 1995.
SL4 3NN has seen 2 sales in the last three years and 2 sales in the last twelve months.
- Sold Mar 2026£385,000 | 3 Bed House55, Westmead, Windsor, SL4 3NN55, Westmead, Windsor, SL4 3NN
- Sold Nov 2025£350,000 | 3 Bed House59, Westmead, Windsor, SL4 3NN59, Westmead, Windsor, SL4 3NN
- Sold Jun 2022£347,500 | 2 Bed Flat27A, Westmead, Windsor, SL4 3NN27A, Westmead, Windsor, SL4 3NN
- Sold Dec 2019£318,000 | 2 Bed Flat9, Westmead, Windsor, SL4 3NN9, Westmead, Windsor, SL4 3NN
- Sold Jun 2018£335,000 | 2 Bed Flat17A, Westmead, Windsor, SL4 3NN17A, Westmead, Windsor, SL4 3NN
Nearby Postcodes
SL4 3NN is the 1224th largest and the 184th most expensive postcode out of the 1,256 postcodes in the SL4 area.
- SL4 3NG, Bulkeley Avenue, Windsor, SL4SL4 3NG16 Addresses|53 m away
- SL4 3NL, Westmead, Windsor, SL4SL4 3NL47 Addresses|64 m away
- SL4 3NF, Bulkeley Avenue, Windsor, SL4SL4 3NF20 Addresses|77 m away
- SL4 3NA, Bulkeley Avenue, Windsor, SL4SL4 3NA14 Addresses|103 m away
- SL4 3NE, Bulkeley Avenue, Windsor, SL4SL4 3NE8 Addresses|104 m away
Property Types
- 1 modern house built after 1980
- 10 mid-century houses built between 1936 and 1979
- 36 mid-century flats built between 1936 and 1979
- 3 other addresses of unknown type
- modern house (1)
- mid-century house (10)
- mid-century flat (36)
- Unknown (3)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 33 properties.
- The most common rating is C.
- A (0)
- E (1)
- B (1)
- F (1)
- C (27)
- G (0)
- D (3)
- No EPC (17)
Top 3 Most Expensive Sales
Schools Nearby
- Oakfield First School200 m away
- Clewer Green CofE First School700 m away
- St Edward's Catholic First School900 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 3NN 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
