HM Land Registry records the plot of land for 89, William Street, Swindon as measuring 192 m².

That makes it the largest plot in the postcode, where 30 of the 34 other houses have recorded plot data.

89, William Street, Swindon has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 30 Apr 2025.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

The most recent sale of 89, William Street, Swindon completed on 18th July 2025 at £220,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 21.8% over the period since July 2025.

• Sold Jul 2025£220,000

Since 2021 381 properties similar to 89, William Street, Swindon have sold within a radius of 410 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 17th December 2025, was 72, William Street, Swindon, SN1 5LE, a freehold house which sold for £177,000.

Read more about house prices in SN1.

• Sold Dec 2025£177,000 | 3 Bed House72, William Street, Swindon, SN1 5LE72, William Street, Swindon, SN1 5LE
• Sold Oct 2025£190,000 | 3 Bed House135, William Street, Swindon, SN1 5LQ135, William Street, Swindon, SN1 5LQ
• Sold Sep 2025£165,000 | 3 Bed House42, Radnor Street, Swindon, SN1 3PR42, Radnor Street, Swindon, SN1 3PR
• Sold Aug 2025£150,000 | 3 Bed House14, Stanmore Street, Swindon, SN1 3PX14, Stanmore Street, Swindon, SN1 3PX
• Sold Aug 2025£214,000 | 3 Bed House84, William Street, Swindon, SN1 5LE84, William Street, Swindon, SN1 5LE
• Sold Jun 2025£210,000 | 3 Bed House119, William Street, Swindon, SN1 5LG119, William Street, Swindon, SN1 5LG
• Sold Feb 2025£220,000 | 3 Bed House189, Kingshill Road, Swindon, SN1 4LL189, Kingshill Road, Swindon, SN1 4LL
• Sold Dec 2024£245,000 | 3 Bed House171, Kingshill Road, Swindon, SN1 4LL171, Kingshill Road, Swindon, SN1 4LL
• Sold Nov 2024£228,000 | 3 Bed House73, Albion Street, Swindon, SN1 5LL73, Albion Street, Swindon, SN1 5LL
• Sold Sep 2024£245,000 | 3 Bed House63, William Street, Swindon, SN1 5LE63, William Street, Swindon, SN1 5LE
• Sold Sep 2024£175,000 | 3 Bed House12, Stanmore Street, Swindon, SN1 3PX12, Stanmore Street, Swindon, SN1 3PX
• Sold Sep 2024£200,000 | 3 Bed House79, William Street, Swindon, SN1 5LE79, William Street, Swindon, SN1 5LE
• Sold Feb 2024£225,000 | 3 Bed House183, Kingshill Road, Swindon, SN1 4LL183, Kingshill Road, Swindon, SN1 4LL
• Sold Dec 2023£181,000 | 3 Bed House177, Kingshill Road, Swindon, SN1 4LL177, Kingshill Road, Swindon, SN1 4LL
• Sold Aug 2023£230,000 | 3 Bed House187, Kingshill Road, Swindon, SN1 4LL187, Kingshill Road, Swindon, SN1 4LL
• Sold Nov 2022£220,000 | 3 Bed House7, Stanmore Street, Swindon, SN1 3PX7, Stanmore Street, Swindon, SN1 3PX
• Sold Sep 2022£205,000 | 3 Bed House99, William Street, Swindon, SN1 5LG99, William Street, Swindon, SN1 5LG
• Sold Mar 2022£190,000 | 3 Bed House100, William Street, Swindon, SN1 5LG100, William Street, Swindon, SN1 5LG
• Sold May 2021£181,000 | 3 Bed House70, William Street, Swindon, SN1 5LE70, William Street, Swindon, SN1 5LE
• Sold Mar 2021£180,200 | 3 Bed House92, William Street, Swindon, SN1 5LE92, William Street, Swindon, SN1 5LE

Of the 190 addresses on William Street, Swindon, SN1, 89, William Street, Swindon comes out as the 102nd largest and the 49th most expensive in our analysis of the public data.

It is also £39k less expensive than the average property across the SN1 district.

• Robert Le Kyng Primary School

  300 m away
• King William Street Church of England Primary School

  1.1 km away
• Holy Rood Catholic Primary School

  1.2 km away

• UTC Swindon

  800 m away
• The Commonweal School

  800 m away
• The Deanery CofE Academy

  1.4 km away

• Swindon (Wilts)

  |

  1.4 km away
• Kemble

  |

  20.7 km away
• Pewsey

  |

  23.7 km away

The flood risk here is rated Very Low, based on Environment Agency data.