Northampton Avenue - SL1 3BJ
Key Postcode Insights
SL1 3BJ is a residential postcode situated on Northampton Avenue, Slough, SL1 with 16 addresses.
It ranks as the 630th largest and 914th most expensive of the 1,426 postcodes in the SL1 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 16 properties: 13 houses and 3 flats.
- Ave. Sale Price
- £429,711
- 10 Year change
- up 13.6%
- Ave. Rental Price
- £2,410pcm
- 10 Year change
- up 47.2%
- Ave. £ per ft²
- £386/ft²
- Ave. Gross Yield
- 6.7%/year/yr
Key Postcode Insights
SL1 3BJ is a residential postcode situated on Northampton Avenue, Slough, SL1 with 16 addresses.
It ranks as the 630th largest and 914th most expensive of the 1,426 postcodes in the SL1 area. The most common property type is a mid-century house built between 1936 and 1979.
The postcode contains a total of 16 properties: 13 houses and 3 flats.
- Ave. Sale Price
- £429,711
- 10 Year change
- up 13.6%
- Ave. Rental Price
- £2,410pcm
- 10 Year change
- up 47.2%
- Ave. £ per ft²
- £386/ft²
- Ave. Gross Yield
- 6.7%/year/yr
Explore Propertiesin SL1 3BJ
- 25 Northampton Avenue
Unknown
- 29 Northampton Avenue
4 Bed Mid-century House
- 31 Northampton Avenue
Unknown
- 33 Northampton Avenue
3 Bed Early-century House
- 35 Northampton Avenue
Unknown
Sales Market Trends
The last sale in SL1 3BJ sold for £350,000 on 8th September 2017. Since then prices are up an average of 11.7%.
The current average value in the postcode is £429,711.
The SL1 3BJ Sales Market has increased by 13.6% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -1.1% | £429,711 |
| June 2025 | 1.5% | £434,575 |
| June 2024 | -1.9% | £428,050 |
| June 2023 | 1.7% | £436,250 |
| June 2022 | 7.2% | £428,819 |
| June 2021 | 5.1% | £399,881 |
| June 2020 | -0.9% | £380,490 |
| June 2019 | -0.1% | £383,830 |
| June 2018 | -0.7% | £384,313 |
| June 2017 | 2.3% | £387,035 |
| June 2016 | 20% | £378,306 |
| June 2015 | 14.4% | £315,344 |
| June 2014 | 7.7% | £275,747 |
| June 2013 | 0.5% | £256,092 |
| June 2012 | 3.4% | £254,841 |
| June 2011 | -0.2% | £246,412 |
| June 2010 | 13.5% | £246,932 |
| June 2009 | -11.4% | £217,588 |
| June 2008 | -0.7% | £245,487 |
| June 2007 | 0% | £247,335 |
Rental Market Trends
The current average rental value in the postcode is £2,410.
The SL1 3BJ Rental Market has increased by 47.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 2% | £2,410pcm |
| June 2025 | 4.2% | £2,364pcm |
| June 2024 | 7.7% | £2,268pcm |
| June 2023 | 13.7% | £2,106pcm |
| June 2022 | 8.2% | £1,852pcm |
| June 2021 | 2.5% | £1,712pcm |
| June 2020 | 2.2% | £1,671pcm |
| June 2019 | 0.7% | £1,634pcm |
| June 2018 | -1% | £1,623pcm |
| June 2017 | 0.1% | £1,640pcm |
| June 2016 | 5% | £1,638pcm |
| June 2015 | 5% | £1,559pcm |
| June 2014 | 6.6% | £1,485pcm |
| June 2013 | 3.2% | £1,393pcm |
| June 2012 | 2.7% | £1,349pcm |
| June 2011 | 7.2% | £1,313pcm |
| June 2010 | 2.7% | £1,225pcm |
| June 2009 | -3.5% | £1,192pcm |
| June 2008 | 1.8% | £1,235pcm |
| June 2007 | 0% | £1,213pcm |
Sales History
The last sale was on 8th September 2017 for £350,000 and since then the market in the area has increased by 11.7%. The postcode has had a total of 5 sales since 1995.
SL1 3BJ has seen no sales in the last three years and no sales in the last twelve months.
- Sold Sep 2017£350,000 | 3 Bed House33, Northampton Avenue, Slough, SL1 3BJ33, Northampton Avenue, Slough, SL1 3BJ
- Sold Mar 2008£134,000 | 2 Bed House41B, Northampton Avenue, Slough, SL1 3BJ41B, Northampton Avenue, Slough, SL1 3BJ
- Sold Apr 2003£120,000 | 2 Bed Flat45, Northampton Avenue, Slough, SL1 3BJ45, Northampton Avenue, Slough, SL1 3BJ
- Sold Jul 1996£80,000 | 5 Bed House55, Northampton Avenue, Slough, SL1 3BJ55, Northampton Avenue, Slough, SL1 3BJ
- Sold Feb 1995£55,000 | 5 Bed House55, Northampton Avenue, Slough, SL1 3BJ55, Northampton Avenue, Slough, SL1 3BJ
Nearby Postcodes
SL1 3BJ is the 630th largest and the 914th most expensive postcode out of the 1,426 postcodes in the SL1 area.
- SL1 3BN, Northampton Avenue, Slough, SL1SL1 3BN26 Addresses|48 m away
- SL1 3HJ, Sydney Grove, Slough, SL1SL1 3HJ14 Addresses|60 m away
- SL1 3HH, Belfast Avenue, Slough, SL1SL1 3HH8 Addresses|76 m away
- SL1 3EE, Sheffield Road, Slough, SL1SL1 3EE11 Addresses|93 m away
- SL1 3ED, Melbourne Avenue, Slough, SL1SL1 3ED52 Addresses|101 m away
Property Types
- 2 mid-century houses built between 1936 and 1979
- 1 early-century house built between 1912 and 1935
- 13 other addresses of unknown type
- mid-century house (2)
- early-century house (1)
- Unknown (13)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 3 properties.
- The most common rating is C.
- A (0)
- E (0)
- B (0)
- F (0)
- C (2)
- G (0)
- D (1)
- No EPC (13)
Top 3 Most Expensive Sales
- Sold Jul 2024£560,000 | 5 Bed House66, Northampton Avenue, Slough, SL1 3BN66, Northampton Avenue, Slough, SL1 3BN
- Sold Sep 2017£350,000 | 3 Bed House33, Northampton Avenue, Slough, SL1 3BJ33, Northampton Avenue, Slough, SL1 3BJ
- Sold Nov 2007£298,000 | 4 Bed House76, Northampton Avenue, Slough, SL1 3BN76, Northampton Avenue, Slough, SL1 3BN
Schools Nearby
- Phoenix Infant Academy200 m away
- The Godolphin Junior Academy300 m away
- Penn Wood Primary and Nursery School1.1 km away
- Herschel Grammar School200 m away
- Baylis Court School500 m away
- Eden Girls' School, Slough1.0 km away
More reading links
Public Transport Nearby
The closest station to SL1 3BJ is Slough station, which is 1.8 kilometres away.
- Slough|1.8 km away
- Burnham|2.3 km away
- Burnham (Buckinghamshire)|2.3 km away
- Windsor & Eton Riverside|4.0 km away
