William Street - SL1 1XY
Key Postcode Insights
SL1 1XY is a residential postcode situated on William Street, Slough, SL1 with 2 addresses.
It ranks as the 62nd largest and 110th most expensive of the 1,426 postcodes in the SL1 area.
The postcode contains a total of 2 properties: 2 flats.
- Ave. Sale Price
- £196,677
- 10 Year change
- down 2.1%
- Ave. Rental Price
- £1,097pcm
- 10 Year change
- up 24.6%
- Ave. £ per ft²
- £351/ft²
- Ave. Gross Yield
- 6.7%/year/yr
Key Postcode Insights
SL1 1XY is a residential postcode situated on William Street, Slough, SL1 with 2 addresses.
It ranks as the 62nd largest and 110th most expensive of the 1,426 postcodes in the SL1 area.
The postcode contains a total of 2 properties: 2 flats.
- Ave. Sale Price
- £196,677
- 10 Year change
- down 2.1%
- Ave. Rental Price
- £1,097pcm
- 10 Year change
- up 24.6%
- Ave. £ per ft²
- £351/ft²
- Ave. Gross Yield
- 6.7%/year/yr
Sales Market Trends
The current average value in the postcode is £196,677.
The SL1 1XY Sales Market has decreased by 2.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -1.4% | £196,677 |
| June 2025 | -0.1% | £199,500 |
| June 2024 | -1.9% | £199,649 |
| June 2023 | 0.7% | £203,466 |
| June 2022 | 3.3% | £202,145 |
| June 2021 | 0.1% | £195,757 |
| June 2020 | -0.2% | £195,495 |
| June 2019 | -2.2% | £195,923 |
| June 2018 | -3% | £200,315 |
| June 2017 | 2.8% | £206,405 |
| June 2016 | 17.6% | £200,872 |
| June 2015 | 13.9% | £170,744 |
| June 2014 | 9% | £149,963 |
| June 2013 | 2.1% | £137,541 |
| June 2012 | 1.1% | £134,756 |
| June 2011 | 0.3% | £133,242 |
| June 2010 | 7.2% | £132,784 |
| June 2009 | -13.4% | £123,824 |
| June 2008 | -0.1% | £143,063 |
| June 2007 | 0% | £143,197 |
Rental Market Trends
The current average rental value in the postcode is £1,097.
The SL1 1XY Rental Market has increased by 24.6% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 1.2% | £1,097pcm |
| June 2025 | 0.2% | £1,084pcm |
| June 2024 | 9.6% | £1,082pcm |
| June 2023 | 12.5% | £987pcm |
| June 2022 | 3.5% | £877pcm |
| June 2021 | 0% | £848pcm |
| June 2020 | 0.8% | £848pcm |
| June 2019 | 1% | £840pcm |
| June 2018 | -3.3% | £832pcm |
| June 2017 | -2.2% | £861pcm |
| June 2016 | 5.4% | £880pcm |
| June 2015 | 5.5% | £835pcm |
| June 2014 | 4.6% | £792pcm |
| June 2013 | 3.7% | £757pcm |
| June 2012 | 2.5% | £730pcm |
| June 2011 | 4.1% | £712pcm |
| June 2010 | 1% | £684pcm |
| June 2009 | -6.8% | £677pcm |
| June 2008 | 3.1% | £727pcm |
| June 2007 | 0% | £705pcm |
Nearby Postcodes
SL1 1XY is the 62nd largest and the 110th most expensive postcode out of the 1,426 postcodes in the SL1 area.
- SL1 1DJ, High Street, Burnham, Slough, SL1SL1 1DJ23 Addresses|18 m away
- SL1 1DH, High Street, Burnham, Slough, SL1SL1 1DH16 Addresses|48 m away
- SL1 1GZ, William Street, Slough, SL1SL1 1GZ64 Addresses|49 m away
- SL1 1EL, High Street, Burnham, Slough, SL1SL1 1EL42 Addresses|79 m away
- SL1 1HL, High Street, Burnham, Slough, SL1SL1 1HL5 Addresses|87 m away
Property Types
- 2 other addresses of unknown type
- Unknown (2)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 0 properties.
- The most common rating is no_epc_ratings.
- A (0)
- E (0)
- B (0)
- F (0)
- C (0)
- G (0)
- D (0)
- No EPC (2)
Top 3 Most Expensive Sales
- Sold Mar 2021£500,000 | 1 Bed FlatFlat 1, 1, William Street, Slough, SL1 1GZFlat 1, 1, William Street, Slough, SL1 1GZ
- Sold Oct 2022£360,000 | 2 Bed FlatFlat 58, 1, William Street, Slough, SL1 1GZFlat 58, 1, William Street, Slough, SL1 1GZ
- Sold May 2021£358,000 | 2 Bed FlatFlat 64, 1, William Street, Slough, SL1 1GZFlat 64, 1, William Street, Slough, SL1 1GZ
Schools Nearby
- St Mary's Church of England Primary School800 m away
- James Elliman Academy1.1 km away
- Iqra Slough Islamic Primary School1.2 km away
- Slough and Eton Church of England Business and Enterprise College800 m away
- St Joseph's Catholic High School1.2 km away
- Upton Court Grammar School1.3 km away
More reading links
Public Transport Nearby
The closest station to SL1 1XY is Slough station, which is 300 metres away.
- Slough|300 m away
- Windsor & Eton Riverside|2.8 km away
- Windsor & Eton Central|3.1 km away
- Datchet|3.2 km away