Testwood Road - SL4 5RL
Key Postcode Insights
SL4 5RL is a residential postcode situated on Testwood Road, Windsor, SL4 with 18 addresses.
It ranks as the 812th largest and 586th 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 18 properties: 18 houses.
- Ave. Sale Price
- £506,832
- 10 Year change
- up 14.8%
- Ave. Rental Price
- £2,235pcm
- 10 Year change
- up 47.3%
- Ave. £ per ft²
- £420/ft²
- Ave. Gross Yield
- 5.3%/year/yr
Key Postcode Insights
SL4 5RL is a residential postcode situated on Testwood Road, Windsor, SL4 with 18 addresses.
It ranks as the 812th largest and 586th 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 18 properties: 18 houses.
- Ave. Sale Price
- £506,832
- 10 Year change
- up 14.8%
- Ave. Rental Price
- £2,235pcm
- 10 Year change
- up 47.3%
- Ave. £ per ft²
- £420/ft²
- Ave. Gross Yield
- 5.3%/year/yr
Explore Propertiesin SL4 5RL
- School Bungalow
Unknown
- 1 Testwood Road
Unknown
- 3 Testwood Road
3 Bed Mid-century House
- 5 Testwood Road
3 Bed Mid-century House
- 7 Testwood Road
3 Bed Mid-century House
Sales Market Trends
The last sale in SL4 5RL sold for £548,100 on 7th November 2025. Since then prices are up an average of 0.4%.
The current average value in the postcode is £506,832.
The SL4 5RL Sales Market has increased by 14.8% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -0.9% | £506,832 |
| June 2025 | 2.5% | £511,351 |
| June 2024 | -2.3% | £498,714 |
| June 2023 | 1.2% | £510,280 |
| June 2022 | 7.6% | £504,393 |
| June 2021 | 4.4% | £468,564 |
| June 2020 | 2.1% | £448,800 |
| June 2019 | -1.3% | £439,440 |
| June 2018 | -0.1% | £445,327 |
| June 2017 | 0.9% | £445,676 |
| June 2016 | 9.9% | £441,622 |
| June 2015 | 9.7% | £401,852 |
| June 2014 | 12.6% | £366,177 |
| June 2013 | 4.1% | £325,094 |
| June 2012 | -1.7% | £312,180 |
| June 2011 | 3.9% | £317,513 |
| June 2010 | 14.9% | £305,508 |
| June 2009 | -12.8% | £265,827 |
| June 2008 | -1% | £304,801 |
| June 2007 | 0% | £307,734 |
Rental Market Trends
The current average rental value in the postcode is £2,235.
The SL4 5RL Rental Market has increased by 47.3% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2.2% | £2,235pcm |
| June 2025 | 2.5% | £2,186pcm |
| June 2024 | 8% | £2,134pcm |
| June 2023 | 11.5% | £1,975pcm |
| June 2022 | 9.3% | £1,771pcm |
| June 2021 | 3.8% | £1,620pcm |
| June 2020 | 1.3% | £1,560pcm |
| June 2019 | 0.7% | £1,541pcm |
| June 2018 | 2% | £1,531pcm |
| June 2017 | -1.2% | £1,500pcm |
| June 2016 | 0.5% | £1,518pcm |
| June 2015 | 3.8% | £1,510pcm |
| June 2014 | 5.8% | £1,455pcm |
| June 2013 | 1.3% | £1,375pcm |
| June 2012 | 0.6% | £1,358pcm |
| June 2011 | 9.3% | £1,349pcm |
| June 2010 | 5.8% | £1,235pcm |
| June 2009 | -7.2% | £1,167pcm |
| June 2008 | 0.2% | £1,258pcm |
| June 2007 | 0% | £1,256pcm |
Sales History
The last sale was on 7th November 2025 for £548,100 and since then the market in the area has increased by 0.4%. The postcode has had a total of 21 sales since 1995.
SL4 5RL has seen 3 sales in the last three years and 1 sale in the last twelve months.
- Sold Nov 2025£548,100 | 3 Bed House11, Testwood Road, Windsor, SL4 5RL11, Testwood Road, Windsor, SL4 5RL
- Sold Mar 2023£550,000 | 4 Bed House55, Testwood Road, Windsor, SL4 5RL55, Testwood Road, Windsor, SL4 5RL
- Sold Feb 2023£540,000 | 4 Bed House67, Testwood Road, Windsor, SL4 5RL67, Testwood Road, Windsor, SL4 5RL
- Sold Dec 2022£475,000 | 3 Bed House61, Testwood Road, Windsor, SL4 5RL61, Testwood Road, Windsor, SL4 5RL
- Sold Mar 2021£500,000 | 4 Bed House49, Testwood Road, Windsor, SL4 5RL49, Testwood Road, Windsor, SL4 5RL
Nearby Postcodes
SL4 5RL is the 812th largest and the 586th most expensive postcode out of the 1,256 postcodes in the SL4 area.
- SL4 5RT, Birch Grove, Windsor, SL4SL4 5RT37 Addresses|83 m away
- SL4 5RS, Copper Beech Close, Windsor, SL4SL4 5RS14 Addresses|84 m away
- SL4 5RP, Testwood Road, Windsor, SL4SL4 5RP7 Addresses|96 m away
- SL4 5RR, Testwood Road, Windsor, SL4SL4 5RR6 Addresses|111 m away
- SL4 5SH, Ruddlesway, Windsor, SL4SL4 5SH13 Addresses|119 m away
Property Types
- 11 mid-century houses built between 1936 and 1979
- 7 other addresses of unknown type
- mid-century house (11)
- Unknown (7)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 11 properties.
- The most common rating is D.
- A (0)
- E (1)
- B (0)
- F (0)
- C (2)
- G (0)
- D (8)
- No EPC (7)
Top 3 Most Expensive Sales
- Sold Oct 2025£715,000 | 3 Bed House34, Testwood Road, Windsor, SL4 5RW34, Testwood Road, Windsor, SL4 5RW
- Sold Sep 2024£710,000 | 4 Bed House78, Testwood Road, Windsor, SL4 5RP78, Testwood Road, Windsor, SL4 5RP
- Sold Mar 2020£580,000 | 4 Bed House66, Testwood Road, Windsor, SL4 5RW66, Testwood Road, Windsor, SL4 5RW
Schools Nearby
- Homer First School and Nursery0 m away
- Dedworth Green First School500 m away
- Alexander First School900 m away
- Windsor Girls' School1.9 km away
- The Windsor Boys' School2.1 km away
- The Westgate School4.0 km away
More reading links
Public Transport Nearby
The closest station to SL4 5RL is Windsor & Eton Central station, which is 2.8 kilometres away.
- Windsor & Eton Central|2.8 km away
- Windsor & Eton Riverside|3.1 km away
- Burnham|4.6 km away
- Burnham (Buckinghamshire)|4.7 km away
