Trelawney Avenue - SL3 8RN
Key Postcode Insights
SL3 8RN is a residential postcode situated on Trelawney Avenue, Slough, SL3 with 28 addresses.
It ranks as the 752nd largest and 408th 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 28 properties: 28 houses.
- Ave. Sale Price
- £444,402
- 10 Year change
- up 22.4%
- Ave. Rental Price
- £1,858pcm
- 10 Year change
- up 51.3%
- Ave. £ per ft²
- £570/ft²
- Ave. Gross Yield
- 5.0%/year/yr
Key Postcode Insights
SL3 8RN is a residential postcode situated on Trelawney Avenue, Slough, SL3 with 28 addresses.
It ranks as the 752nd largest and 408th 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 28 properties: 28 houses.
- Ave. Sale Price
- £444,402
- 10 Year change
- up 22.4%
- Ave. Rental Price
- £1,858pcm
- 10 Year change
- up 51.3%
- Ave. £ per ft²
- £570/ft²
- Ave. Gross Yield
- 5.0%/year/yr
Explore Propertiesin SL3 8RN
- 2A Trelawney Avenue
2 Bed Modern House
- 2B Trelawney Avenue
2 Bed Modern House
- 2 Trelawney Avenue
3 Bed Mid-century House
- 4 Trelawney Avenue
3 Bed Mid-century House
- 6 Trelawney Avenue
3 Bed Mid-century House
Sales Market Trends
The last sale in SL3 8RN sold for £495,000 on 10th November 2025. Since then prices are up an average of 1.1%.
The current average value in the postcode is £444,402.
The SL3 8RN Sales Market has increased by 22.4% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -1.1% | £444,402 |
| June 2025 | 3.4% | £449,351 |
| June 2024 | -0.9% | £434,508 |
| June 2023 | 1.8% | £438,641 |
| June 2022 | 9% | £430,962 |
| June 2021 | 1.7% | £395,365 |
| June 2020 | 2.1% | £388,663 |
| June 2019 | -2.6% | £380,605 |
| June 2018 | 0.3% | £390,604 |
| June 2017 | 7.2% | £389,364 |
| June 2016 | 15.8% | £363,208 |
| June 2015 | 12.5% | £313,660 |
| June 2014 | 12.1% | £278,706 |
| June 2013 | 2% | £248,552 |
| June 2012 | 1.1% | £243,602 |
| June 2011 | 3.3% | £240,836 |
| June 2010 | 11.2% | £233,073 |
| June 2009 | -11.3% | £209,663 |
| June 2008 | -0.4% | £236,364 |
| June 2007 | 0% | £237,286 |
Rental Market Trends
The current average rental value in the postcode is £1,858.
The SL3 8RN Rental Market has increased by 51.3% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 1.1% | £1,858pcm |
| June 2025 | 2.8% | £1,837pcm |
| June 2024 | 11.2% | £1,787pcm |
| June 2023 | 13.7% | £1,606pcm |
| June 2022 | 8% | £1,413pcm |
| June 2021 | 3.3% | £1,309pcm |
| June 2020 | 2.4% | £1,266pcm |
| June 2019 | 2.2% | £1,236pcm |
| June 2018 | -0.5% | £1,210pcm |
| June 2017 | -0.9% | £1,216pcm |
| June 2016 | 5% | £1,228pcm |
| June 2015 | 5.8% | £1,170pcm |
| June 2014 | 6.3% | £1,105pcm |
| June 2013 | 3.4% | £1,039pcm |
| June 2012 | 3.2% | £1,005pcm |
| June 2011 | 5.1% | £974pcm |
| June 2010 | 6.7% | £927pcm |
| June 2009 | -5.6% | £868pcm |
| June 2008 | 3.5% | £920pcm |
| June 2007 | 0% | £890pcm |
Sales History
The last sale was on 10th November 2025 for £495,000 and since then the market in the area has increased by 1.1%. The postcode has had a total of 52 sales since 1995.
SL3 8RN has seen 3 sales in the last three years and 1 sale in the last twelve months.
- Sold Nov 2025£495,000 | 3 Bed House4, Trelawney Avenue, Slough, SL3 8RN4, Trelawney Avenue, Slough, SL3 8RN
- Sold Mar 2025£560,000 | 3 Bed House8, Trelawney Avenue, Slough, SL3 8RN8, Trelawney Avenue, Slough, SL3 8RN
- Sold Mar 2025£510,000 | 3 Bed House2, Trelawney Avenue, Slough, SL3 8RN2, Trelawney Avenue, Slough, SL3 8RN
- Sold Oct 2022£415,000 | 2 Bed House40, Trelawney Avenue, Slough, SL3 8RN40, Trelawney Avenue, Slough, SL3 8RN
- Sold Jun 2021£420,000 | 3 Bed House20, Trelawney Avenue, Slough, SL3 8RN20, Trelawney Avenue, Slough, SL3 8RN
Nearby Postcodes
SL3 8RN is the 752nd largest and the 408th most expensive postcode out of the 992 postcodes in the SL3 area.
- SL3 8NH, Thompson Close, Slough, SL3SL3 8NH21 Addresses|46 m away
- SL3 8RH, Trelawney Avenue, Slough, SL3SL3 8RH29 Addresses|47 m away
- SL3 8NG, High Street, Langley, Slough, SL3SL3 8NG15 Addresses|82 m away
- SL3 7QZ, Churchill Road, Slough, SL3SL3 7QZ55 Addresses|100 m away
- SL3 8NQ, Nash Road, Slough, SL3SL3 8NQ21 Addresses|107 m away
Property Types
- 2 modern houses built after 1980
- 20 mid-century houses built between 1936 and 1979
- 2 early-century houses built between 1912 and 1935
- 4 other addresses of unknown type
- modern house (2)
- mid-century house (20)
- early-century house (2)
- Unknown (4)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 24 properties.
- The most common rating is D.
- A (0)
- E (0)
- B (0)
- F (0)
- C (11)
- G (0)
- D (13)
- 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
- Holy Family Catholic Primary School200 m away
- Foxborough Primary School500 m away
- Marish Primary School500 m away
- Langley Grammar School400 m away
- The Langley Academy900 m away
- Ditton Park Academy1.8 km away
More reading links
Public Transport Nearby
The closest station to SL3 8RN is Langley station, which is 1.2 kilometres away.
- Langley|1.2 km away
- Langley (Berks)|1.2 km away
- Datchet|2.8 km away
- Iver|3.0 km away