Alpha Street South - SL1 1QX
Key Postcode Insights
SL1 1QX is a residential postcode situated on Alpha Street South, Slough, SL1 with 36 addresses.
It ranks as the 1160th largest and 128th most expensive of the 1,426 postcodes in the SL1 area. The most common property type is a modern flat built after 1980.
The postcode contains a total of 36 properties: 13 houses and 23 flats.
- Ave. Sale Price
- £271,311
- 10 Year change
- up 7.7%
- Ave. Rental Price
- £1,523pcm
- 10 Year change
- up 38.1%
- Ave. £ per ft²
- £416/ft²
- Ave. Gross Yield
- 6.7%/year/yr
Key Postcode Insights
SL1 1QX is a residential postcode situated on Alpha Street South, Slough, SL1 with 36 addresses.
It ranks as the 1160th largest and 128th most expensive of the 1,426 postcodes in the SL1 area. The most common property type is a modern flat built after 1980.
The postcode contains a total of 36 properties: 13 houses and 23 flats.
- Ave. Sale Price
- £271,311
- 10 Year change
- up 7.7%
- Ave. Rental Price
- £1,523pcm
- 10 Year change
- up 38.1%
- Ave. £ per ft²
- £416/ft²
- Ave. Gross Yield
- 6.7%/year/yr
Explore Propertiesin SL1 1QX
- Hopewell House
Modern Building | 8 Units
- 46 Alpha Street South
Building  |  2 Flats
- 48 Alpha Street South
Building  |  2 Flats
Sales Market Trends
The last sale in SL1 1QX sold for £128,000 on 17th November 2025. Since then prices are up an average of 1.3%.
The current average value in the postcode is £271,311.
The SL1 1QX Sales Market has increased by 7.7% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -1% | £271,311 |
| June 2025 | 1.1% | £274,175 |
| June 2024 | -1.6% | £271,124 |
| June 2023 | 1% | £275,468 |
| June 2022 | 5.7% | £272,821 |
| June 2021 | 2.3% | £258,140 |
| June 2020 | 0.4% | £252,392 |
| June 2019 | -2.1% | £251,451 |
| June 2018 | -1.3% | £256,727 |
| June 2017 | 3.2% | £260,119 |
| June 2016 | 16.3% | £251,939 |
| June 2015 | 13.7% | £216,644 |
| June 2014 | 9.9% | £190,517 |
| June 2013 | 1.8% | £173,390 |
| June 2012 | 1.1% | £170,323 |
| June 2011 | 1.3% | £168,503 |
| June 2010 | 9.8% | £166,381 |
| June 2009 | -12.6% | £151,524 |
| June 2008 | -0.5% | £173,365 |
| June 2007 | 0% | £174,259 |
Rental Market Trends
The current average rental value in the postcode is £1,523.
The SL1 1QX Rental Market has increased by 38.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 1.7% | £1,523pcm |
| June 2025 | 1.3% | £1,498pcm |
| June 2024 | 10.1% | £1,479pcm |
| June 2023 | 12.9% | £1,344pcm |
| June 2022 | 6.3% | £1,190pcm |
| June 2021 | 2% | £1,120pcm |
| June 2020 | 1.3% | £1,098pcm |
| June 2019 | 1% | £1,084pcm |
| June 2018 | -1.5% | £1,073pcm |
| June 2017 | -1.2% | £1,089pcm |
| June 2016 | 4.3% | £1,103pcm |
| June 2015 | 5% | £1,058pcm |
| June 2014 | 5.2% | £1,008pcm |
| June 2013 | 3.2% | £958pcm |
| June 2012 | 2.6% | £928pcm |
| June 2011 | 5.1% | £904pcm |
| June 2010 | 3.5% | £860pcm |
| June 2009 | -5.7% | £831pcm |
| June 2008 | 2.4% | £882pcm |
| June 2007 | 0% | £861pcm |
Sales History
The last sale was on 17th November 2025 for £128,000 and since then the market in the area has increased by 1.3%. The postcode has had a total of 47 sales since 1995.
SL1 1QX has seen 3 sales in the last three years and 1 sale in the last twelve months.
- Sold Nov 2025£128,000 | 1 Bed FlatFlat 1, 88, Alpha Street South, Slough, SL1 1QXFlat 1, 88, Alpha Street South, Slough, SL1 1QX
- Sold Mar 2025£325,000 | 3 Bed House86, Alpha Street South, Slough, SL1 1QX86, Alpha Street South, Slough, SL1 1QX
- Sold Mar 2024£380,000 | 3 Bed House64, Alpha Street South, Slough, SL1 1QX64, Alpha Street South, Slough, SL1 1QX
- Sold Jul 2020£350,000 | 3 Bed House64, Alpha Street South, Slough, SL1 1QX64, Alpha Street South, Slough, SL1 1QX
- Sold Mar 2020£225,100 | 2 Bed Flat46A, Alpha Street South, Slough, SL1 1QX46A, Alpha Street South, Slough, SL1 1QX
Nearby Postcodes
SL1 1QX is the 1160th largest and the 128th most expensive postcode out of the 1,426 postcodes in the SL1 area.
- SL1 1QH, Alpha Street South, Slough, SL1SL1 1QH6 Addresses|23 m away
- SL1 1QZ, Alpha Street South, Slough, SL1SL1 1QZ32 Addresses|34 m away
- SL1 2BX, Eastfield Close, Slough, SL1SL1 2BX12 Addresses|48 m away
- SL1 1RE, Hencroft Street South, Slough, SL1SL1 1RE66 Addresses|69 m away
- SL1 1QJ, Grove Close, Slough, SL1SL1 1QJ10 Addresses|72 m away
Property Types
- 9 period houses built between 1800 and 1911
- 6 period flats built between 1800 and 1911
- 17 modern flats built after 1980
- 1 house of an unknown age
- 3 other addresses of unknown type
- period house (9)
- period flat (6)
- modern flat (17)
- house (1)
- Unknown (3)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 29 properties.
- The most common rating is D.
- A (0)
- E (3)
- B (9)
- F (0)
- C (5)
- G (0)
- D (12)
- No EPC (7)
Top 3 Most Expensive Sales
- Sold Jul 2019£482,000 | 4 Bed House80, Alpha Street South, Slough, SL1 1QX80, Alpha Street South, Slough, SL1 1QX
- Sold May 2024£405,000 | 3 Bed House59, Alpha Street South, Slough, SL1 1QZ59, Alpha Street South, Slough, SL1 1QZ
- Sold Mar 2019£385,000 | 3 Bed House85, Alpha Street South, Slough, SL1 1QZ85, Alpha Street South, Slough, SL1 1QZ
Schools Nearby
- St Mary's Church of England Primary School300 m away
- Willow Primary School1.4 km away
- Iqra Slough Islamic Primary School1.4 km away
- Upton Court Grammar School800 m away
- Slough and Eton Church of England Business and Enterprise College1.0 km away
- St Bernard's Catholic Grammar School1.1 km away
More reading links
Public Transport Nearby
The closest station to SL1 1QX is Slough station, which is 800 metres away.
- Slough|800 m away
- Windsor & Eton Riverside|2.4 km away
- Datchet|2.5 km away
- Windsor & Eton Central|2.8 km away
