Foster Avenue - SL4 4NQ
Key Postcode Insights
SL4 4NQ is a residential postcode situated on Foster Avenue, Windsor, SL4 with 23 addresses.
It ranks as the 929th largest and 358th most expensive of the 1,256 postcodes in the SL4 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 23 properties: 9 houses, 8 flats and 6 other properties.
- Ave. Sale Price
- £349,263
- 10 Year change
- up 5.2%
- Ave. Rental Price
- £1,646pcm
- 10 Year change
- up 33.8%
- Ave. £ per ft²
- £446/ft²
- Ave. Gross Yield
- 5.7%/year/yr
Key Postcode Insights
SL4 4NQ is a residential postcode situated on Foster Avenue, Windsor, SL4 with 23 addresses.
It ranks as the 929th largest and 358th most expensive of the 1,256 postcodes in the SL4 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 23 properties: 9 houses, 8 flats and 6 other properties.
- Ave. Sale Price
- £349,263
- 10 Year change
- up 5.2%
- Ave. Rental Price
- £1,646pcm
- 10 Year change
- up 33.8%
- Ave. £ per ft²
- £446/ft²
- Ave. Gross Yield
- 5.7%/year/yr
Explore Properties in SL4 4NQ
- 1 Foster Avenue
House
- 3 Foster Avenue
3 Bed Early-century House
- 5 Foster Avenue
3 Bed Early-century House
- 7 Foster Avenue
3 Bed Mid-century House
- 9 Foster Avenue
House
Sales Market Trends
The last sale in SL4 4NQ sold for £415,000 on 31st March 2025. Since then prices have on average remained the same.
The current average value in the postcode is £349,263.
The SL4 4NQ Sales Market has increased by 5.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -0.7% | £349,263 |
| June 2025 | 2.3% | £351,619 |
| June 2024 | -2.3% | £343,678 |
| June 2023 | 0% | £351,721 |
| June 2022 | 5.4% | £351,709 |
| June 2021 | 2.7% | £333,828 |
| June 2020 | 1.9% | £325,029 |
| June 2019 | -1.9% | £318,946 |
| June 2018 | -1.6% | £325,028 |
| June 2017 | -0.5% | £330,461 |
| June 2016 | 9.5% | £331,993 |
| June 2015 | 9.1% | £303,224 |
| June 2014 | 12.3% | £277,866 |
| June 2013 | 4.9% | £247,417 |
| June 2012 | -2.7% | £235,780 |
| June 2011 | 3% | £242,380 |
| June 2010 | 13.5% | £235,408 |
| June 2009 | -14.4% | £207,436 |
| June 2008 | -0.9% | £242,277 |
| June 2007 | 0% | £244,485 |
Rental Market Trends
The current average rental value in the postcode is £1,646.
The SL4 4NQ Rental Market has increased by 33.8% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.5% | £1,646pcm |
| June 2025 | 2.2% | £1,606pcm |
| June 2024 | 7.7% | £1,571pcm |
| June 2023 | 9.5% | £1,459pcm |
| June 2022 | 6.9% | £1,332pcm |
| June 2021 | 2.3% | £1,245pcm |
| June 2020 | 0.7% | £1,217pcm |
| June 2019 | -0.1% | £1,209pcm |
| June 2018 | 0.9% | £1,211pcm |
| June 2017 | -2.4% | £1,200pcm |
| June 2016 | 0.5% | £1,230pcm |
| June 2015 | 4% | £1,223pcm |
| June 2014 | 5.5% | £1,176pcm |
| June 2013 | 0.8% | £1,115pcm |
| June 2012 | -0.3% | £1,105pcm |
| June 2011 | 8.7% | £1,109pcm |
| June 2010 | 3.7% | £1,021pcm |
| June 2009 | -9.2% | £984pcm |
| June 2008 | -0.3% | £1,083pcm |
| June 2007 | 0% | £1,086pcm |
Sales History
The last recorded sale was on 31st March 2025 for £415,000 and since then the market in the area has remained stable.
SL4 4NQ has had 3 sales since 1995, with 2 in the last three years and none in the last twelve months.
- Sold Mar 2025£415,000 | 3 Bed House13, Foster Avenue, Windsor, SL4 4NQ13, Foster Avenue, Windsor, SL4 4NQ
- Sold Sep 2024£455,000 | 3 Bed House17, Foster Avenue, Windsor, SL4 4NQ17, Foster Avenue, Windsor, SL4 4NQ
- Sold Feb 2021£427,000 | 3 Bed House17, Foster Avenue, Windsor, SL4 4NQ17, Foster Avenue, Windsor, SL4 4NQ
Nearby Postcodes
SL4 4NQ is the 929th largest and the 358th most expensive postcode out of the 1,256 postcodes in the SL4 area.
- SL4 4NN, Camm Avenue, Windsor, SL4SL4 4NN4 Addresses|67 m away
- SL4 4NJ, Burton Way, Windsor, SL4SL4 4NJ45 Addresses|74 m away
- SL4 4NH, Foster Avenue, Windsor, SL4SL4 4NH17 Addresses|117 m away
- SL4 4DT, Park Corner, Windsor, SL4SL4 4DT4 Addresses|127 m away
- SL4 4NL, Keeler Close, Windsor, SL4SL4 4NL53 Addresses|128 m away
Property Types
- 1 modern flat built after 1980
- 7 mid-century houses built between 1936 and 1979
- 7 mid-century flats built between 1936 and 1979
- 2 early-century houses built between 1912 and 1935
- 6 other addresses of unknown type
- modern flat (1)
- mid-century house (7)
- mid-century flat (7)
- early-century house (2)
- Unknown (6)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys have been conducted for 17 properties.
- The most common rating is C.
- A (0)
- E (0)
- B (0)
- F (0)
- C (12)
- G (0)
- D (5)
- No EPC (6)
Top 3 Most Expensive Sales
- Sold Sep 2024£455,000 | 3 Bed House17, Foster Avenue, Windsor, SL4 4NQ17, Foster Avenue, Windsor, SL4 4NQ
- Sold Feb 2021£427,000 | 3 Bed House17, Foster Avenue, Windsor, SL4 4NQ17, Foster Avenue, Windsor, SL4 4NQ
- Sold Jun 2017£420,000 | 3 Bed House11, Foster Avenue, Windsor, SL4 4NQ11, Foster Avenue, Windsor, SL4 4NQ
Schools Nearby
- Hilltop First School200 m away
- Dedworth Green First School500 m away
- Clewer Green CofE First School700 m away
- Windsor Girls' School1.1 km away
- The Windsor Boys' School1.8 km away
- Slough and Eton Church of England Business and Enterprise College4.3 km away
More reading links
Public Transport Nearby
The closest station to SL4 4NQ is Windsor & Eton Central station, which is 2.5 kilometres away.
- Windsor & Eton Central|2.5 km away
- Windsor & Eton Riverside|2.9 km away
- Datchet|4.6 km away
- Burnham|5.4 km away
