William Street - SN1 5LB
Key Postcode Insights
SN1 5LB is a residential postcode situated on William Street, Swindon, SN1 with 60 addresses.
It ranks as the 684th largest and 277th most expensive of the 712 postcodes in the SN1 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 60 properties: 47 houses and 13 flats.
- Ave. Sale Price
- £191,075
- 10 Year change
- up 19.3%
- Ave. Rental Price
- £1,111pcm
- 10 Year change
- up 46.9%
- Ave. £ per ft²
- £221/ft²
- Ave. Gross Yield
- 7.0%/year/yr
Key Postcode Insights
SN1 5LB is a residential postcode situated on William Street, Swindon, SN1 with 60 addresses.
It ranks as the 684th largest and 277th most expensive of the 712 postcodes in the SN1 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 60 properties: 47 houses and 13 flats.
- Ave. Sale Price
- £191,075
- 10 Year change
- up 19.3%
- Ave. Rental Price
- £1,111pcm
- 10 Year change
- up 46.9%
- Ave. £ per ft²
- £221/ft²
- Ave. Gross Yield
- 7.0%/year/yr
Explore Propertiesin SN1 5LB
- 2 William Street
3 Bed Period House
- 3 William Street
3 Bed Period House
- 4 William Street
3 Bed Period House
- 5 William Street
3 Bed Period House
- 6 William Street
3 Bed Period House
Sales Market Trends
The last sale in SN1 5LB sold for £165,000 on 20th April 2026. Since then prices are up an average of 0.3%.
The current average value in the postcode is £191,075.
The SN1 5LB Sales Market has increased by 19.3% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -2.3% | £191,075 |
| June 2025 | 3.9% | £195,533 |
| June 2024 | -0.3% | £188,214 |
| June 2023 | 0.2% | £188,838 |
| June 2022 | 9.6% | £188,400 |
| June 2021 | 2.7% | £171,918 |
| June 2020 | 0% | £167,469 |
| June 2019 | -1.2% | £167,417 |
| June 2018 | 1.2% | £169,393 |
| June 2017 | 4.5% | £167,322 |
| June 2016 | 10.6% | £160,126 |
| June 2015 | 9.8% | £144,811 |
| June 2014 | 8.5% | £131,892 |
| June 2013 | 1.5% | £121,512 |
| June 2012 | -2.6% | £119,773 |
| June 2011 | -2% | £123,003 |
| June 2010 | 6.5% | £125,572 |
| June 2009 | -14.1% | £117,944 |
| June 2008 | -3.8% | £137,326 |
| June 2007 | 0% | £142,797 |
Rental Market Trends
The current average rental value in the postcode is £1,111.
The SN1 5LB Rental Market has increased by 46.9% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 4% | £1,111pcm |
| June 2025 | 3.6% | £1,068pcm |
| June 2024 | 7.4% | £1,031pcm |
| June 2023 | 6.9% | £959pcm |
| June 2022 | 11.5% | £897pcm |
| June 2021 | 4.1% | £805pcm |
| June 2020 | 1.2% | £773pcm |
| June 2019 | 1.1% | £764pcm |
| June 2018 | -1.3% | £756pcm |
| June 2017 | 1.3% | £766pcm |
| June 2016 | 6.4% | £756pcm |
| June 2015 | 9.6% | £711pcm |
| June 2014 | 4.5% | £648pcm |
| June 2013 | 2.3% | £621pcm |
| June 2012 | 0.9% | £607pcm |
| June 2011 | 1.8% | £601pcm |
| June 2010 | 1.6% | £590pcm |
| June 2009 | -12% | £581pcm |
| June 2008 | 3.1% | £660pcm |
| June 2007 | 0% | £641pcm |
Sales History
The last sale was on 20th April 2026 for £165,000 and since then the market in the area has increased by 0.3%. The postcode has had a total of 132 sales since 1995.
SN1 5LB has seen 8 sales in the last three years and 3 sales in the last twelve months.
- Sold Apr 2026£165,000 | 3 Bed House5, William Street, Swindon, SN1 5LB5, William Street, Swindon, SN1 5LB
- Sold Sep 2025£218,000 | 3 Bed House4, William Street, Swindon, SN1 5LB4, William Street, Swindon, SN1 5LB
- Sold Aug 2025£200,000 | 3 Bed House34, William Street, Swindon, SN1 5LB34, William Street, Swindon, SN1 5LB
- Sold Feb 2024£162,000 | 4 Bed House28, William Street, Swindon, SN1 5LB28, William Street, Swindon, SN1 5LB
- Sold Dec 2023£222,000 | 3 Bed House9, William Street, Swindon, SN1 5LB9, William Street, Swindon, SN1 5LB
Nearby Postcodes
SN1 5LB is the 684th largest and the 277th most expensive postcode out of the 712 postcodes in the SN1 area.
- SN1 5LQ, William Street, Swindon, SN1SN1 5LQ38 Addresses|42 m away
- SN1 3PR, Radnor Street, Swindon, SN1SN1 3PR56 Addresses|50 m away
- SN1 3FS, William Street, Swindon, SN1SN1 3FS13 Addresses|64 m away
- SN1 3PS, Radnor Street, Swindon, SN1SN1 3PS34 Addresses|72 m away
- SN1 5LJ, Albion Street, Swindon, SN1SN1 5LJ42 Addresses|76 m away
Property Types
- 41 period houses built between 1800 and 1911
- 7 period flats built between 1800 and 1911
- 6 modern flats built after 1980
- 1 house of an unknown age
- 5 other addresses of unknown type
- period house (41)
- period flat (7)
- modern flat (6)
- house (1)
- Unknown (5)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 51 properties.
- The most common rating is C.
- A (0)
- E (4)
- B (0)
- F (0)
- C (24)
- G (1)
- D (22)
- No EPC (9)
Top 3 Most Expensive Sales
- Sold Aug 2021£298,000 | 2 Bed Flat38A, William Street, Swindon, SN1 5LB38A, William Street, Swindon, SN1 5LB
- Sold Sep 2024£245,000 | 3 Bed House63, William Street, Swindon, SN1 5LE63, William Street, Swindon, SN1 5LE
- Sold May 2023£235,159 | 3 Bed House90, William Street, Swindon, SN1 5LE90, William Street, Swindon, SN1 5LE
Schools Nearby
- Robert Le Kyng Primary School300 m away
- King William Street Church of England Primary School1.0 km away
- Holy Rood Catholic Primary School1.0 km away
- UTC Swindon600 m away
- The Commonweal School900 m away
- The Deanery CofE Academy1.6 km away
More reading links
Public Transport Nearby
The closest station to SN1 5LB is Swindon (Wilts) station, which is 1.1 kilometres away.
- Swindon (Wilts)|1.1 km away
- Kemble|20.7 km away
- Bedwyn|23.8 km away
- Pewsey|23.9 km away
