Trelawney Avenue - SL3 7TT
Key Postcode Insights
SL3 7TT is a residential postcode situated on Trelawney Avenue, Slough, SL3 with 10 addresses.
It ranks as the 376th largest and 678th most expensive of the 992 postcodes in the SL3 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 10 properties: 10 houses.
- Ave. Sale Price
- £566,252
- 10 Year change
- up 22.3%
- Ave. Rental Price
- £1,979pcm
- 10 Year change
- up 51.3%
- Ave. £ per ft²
- £584/ft²
- Ave. Gross Yield
- 4.2%/year/yr
Key Postcode Insights
SL3 7TT is a residential postcode situated on Trelawney Avenue, Slough, SL3 with 10 addresses.
It ranks as the 376th largest and 678th most expensive of the 992 postcodes in the SL3 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 10 properties: 10 houses.
- Ave. Sale Price
- £566,252
- 10 Year change
- up 22.3%
- Ave. Rental Price
- £1,979pcm
- 10 Year change
- up 51.3%
- Ave. £ per ft²
- £584/ft²
- Ave. Gross Yield
- 4.2%/year/yr
Explore Propertiesin SL3 7TT
- 425 Trelawney Avenue
3 Bed House
- 427 Trelawney Avenue
Unknown
- 429 Trelawney Avenue
Unknown
- 431 Trelawney Avenue
3 Bed Mid-century House
- 433 Trelawney Avenue
4 Bed Mid-century House
Sales Market Trends
The last sale in SL3 7TT sold for £643,500 on 20th November 2025. Since then prices are up an average of 1.2%.
The current average value in the postcode is £566,252.
The SL3 7TT Sales Market has increased by 22.3% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -1.1% | £566,252 |
| June 2025 | 3.5% | £572,612 |
| June 2024 | -1% | £553,421 |
| June 2023 | 1.8% | £558,745 |
| June 2022 | 9% | £549,082 |
| June 2021 | 1.8% | £503,764 |
| June 2020 | 2.1% | £494,975 |
| June 2019 | -2.6% | £484,812 |
| June 2018 | 0.3% | £497,527 |
| June 2017 | 7.1% | £495,895 |
| June 2016 | 15.9% | £462,939 |
| June 2015 | 12.6% | £399,550 |
| June 2014 | 12.2% | £354,777 |
| June 2013 | 2% | £316,283 |
| June 2012 | 1.2% | £310,019 |
| June 2011 | 3.3% | £306,453 |
| June 2010 | 11.1% | £296,778 |
| June 2009 | -11.3% | £267,111 |
| June 2008 | -0.4% | £301,307 |
| June 2007 | 0% | £302,376 |
Rental Market Trends
The current average rental value in the postcode is £1,979.
The SL3 7TT Rental Market has increased by 51.3% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 1.1% | £1,979pcm |
| June 2025 | 2.9% | £1,957pcm |
| June 2024 | 11.2% | £1,902pcm |
| June 2023 | 13.7% | £1,710pcm |
| June 2022 | 8% | £1,505pcm |
| June 2021 | 3.3% | £1,393pcm |
| June 2020 | 2.4% | £1,348pcm |
| June 2019 | 2.1% | £1,316pcm |
| June 2018 | -0.5% | £1,289pcm |
| June 2017 | -1% | £1,295pcm |
| June 2016 | 5% | £1,308pcm |
| June 2015 | 5.9% | £1,245pcm |
| June 2014 | 6.4% | £1,176pcm |
| June 2013 | 3.4% | £1,106pcm |
| June 2012 | 3.2% | £1,069pcm |
| June 2011 | 5.1% | £1,036pcm |
| June 2010 | 6.6% | £986pcm |
| June 2009 | -5.7% | £925pcm |
| June 2008 | 3.5% | £980pcm |
| June 2007 | 0% | £947pcm |
Sales History
The last sale was on 20th November 2025 for £643,500 and since then the market in the area has increased by 1.2%. The postcode has had a total of 15 sales since 1995.
SL3 7TT has seen 1 sale in the last three years and 1 sale in the last twelve months.
- Sold Nov 2025£643,500 | 3 Bed House441, Trelawney Avenue, Slough, SL3 7TT441, Trelawney Avenue, Slough, SL3 7TT
- Sold Feb 2022£465,000 | 3 Bed House441, Trelawney Avenue, Slough, SL3 7TT441, Trelawney Avenue, Slough, SL3 7TT
- Sold Nov 2021£505,000 | 4 Bed House433, Trelawney Avenue, Slough, SL3 7TT433, Trelawney Avenue, Slough, SL3 7TT
- Sold Mar 2018£550,000 | 4 Bed House439, Trelawney Avenue, Slough, SL3 7TT439, Trelawney Avenue, Slough, SL3 7TT
- Sold Aug 2012£261,500 | 3 Bed House425, Trelawney Avenue, Slough, SL3 7TT425, Trelawney Avenue, Slough, SL3 7TT
Nearby Postcodes
SL3 7TT is the 376th largest and the 678th most expensive postcode out of the 992 postcodes in the SL3 area.
- SL3 7SE, Mortimer Road, Slough, SL3SL3 7SE10 Addresses|67 m away
- SL3 7TS, Trelawney Avenue, Slough, SL3SL3 7TS57 Addresses|67 m away
- SL3 7SB, Stile Road, Slough, SL3SL3 7SB35 Addresses|82 m away
- SL3 7SU, Blandford Road South, Slough, SL3SL3 7SU3 Addresses|119 m away
- SL3 7SD, Stile Road, Slough, SL3SL3 7SD14 Addresses|123 m away
Property Types
- 6 mid-century houses built between 1936 and 1979
- 1 house of an unknown age
- 3 other addresses of unknown type
- mid-century house (6)
- house (1)
- Unknown (3)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 6 properties.
- The most common rating is D.
- A (0)
- E (2)
- B (0)
- F (0)
- C (1)
- G (0)
- D (3)
- No EPC (4)
Top 3 Most Expensive Sales
- Sold Nov 2025£643,500 | 3 Bed House441, Trelawney Avenue, Slough, SL3 7TT441, Trelawney Avenue, Slough, SL3 7TT
- Sold Jun 2022£600,000 | 3 Bed House103, Trelawney Avenue, Slough, SL3 8RG103, Trelawney Avenue, Slough, SL3 8RG
- Sold Jan 2022£565,000 | 4 Bed House75, Trelawney Avenue, Slough, SL3 8RG75, Trelawney Avenue, Slough, SL3 8RG
Schools Nearby
- Ryvers School100 m away
- The Langley Academy Primary600 m away
- Castleview Primary School600 m away
- The Langley Academy700 m away
- Langley Grammar School800 m away
- St Bernard's Catholic Grammar School800 m away
More reading links
Public Transport Nearby
The closest station to SL3 7TT is Langley station, which is 1.5 kilometres away.
- Langley|1.5 km away
- Langley (Berks)|1.6 km away
- Slough|2.2 km away
- Datchet|2.5 km away
