HM Land Registry records the plot of land for 42, Union Street, Swindon as measuring 94 m².

That makes it the 12th largest plot in the postcode, where 43 of the 46 other houses have recorded plot data.

The most recent sale of 42, Union Street, Swindon completed on 15th March 2017 at £160,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold 4 times.

Values of comparable properties have risen by 30.9% over the period since March 2017.

Since 2018 202 properties similar to 42, Union Street, Swindon have sold within a radius of 360 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 26th November 2025, was 10, North Street, Swindon, SN1 3JX, a freehold house which sold for £225,000.

Read more about house prices in SN1.

• Sold Nov 2025£225,000 | 3 Bed House10, North Street, Swindon, SN1 3JX10, North Street, Swindon, SN1 3JX
• Sold Nov 2025£165,000 | 3 Bed House15, Stanley Street, Swindon, SN1 3LE15, Stanley Street, Swindon, SN1 3LE
• Sold Sep 2025£217,000 | 3 Bed House1, King William Street, Swindon, SN1 3LB1, King William Street, Swindon, SN1 3LB
• Sold Sep 2025£120,000 | 3 Bed House55, Belle Vue Road, Swindon, SN1 3HN55, Belle Vue Road, Swindon, SN1 3HN
• Sold Sep 2025£230,000 | 3 Bed House38, Union Street, Swindon, SN1 3LD38, Union Street, Swindon, SN1 3LD
• Sold Aug 2025£200,000 | 3 Bed House7, Stanley Street, Swindon, SN1 3LE7, Stanley Street, Swindon, SN1 3LE
• Sold Jul 2025£205,000 | 3 Bed House8, Western Street, Swindon, SN1 3JR8, Western Street, Swindon, SN1 3JR
• Sold Jun 2025£197,270 | 3 Bed House27, Union Street, Swindon, SN1 3LD27, Union Street, Swindon, SN1 3LD
• Sold Nov 2024£216,000 | 3 Bed House1, Stanley Street, Swindon, SN1 3LE1, Stanley Street, Swindon, SN1 3LE
• Sold Jun 2024£210,000 | 3 Bed House8, King John Street, Swindon, SN1 3DB8, King John Street, Swindon, SN1 3DB
• Sold Feb 2024£253,000 | 3 Bed House19, Belle Vue Road, Swindon, SN1 3HQ19, Belle Vue Road, Swindon, SN1 3HQ
• Sold Sep 2023£190,000 | 3 Bed House6, Stanley Street, Swindon, SN1 3LE6, Stanley Street, Swindon, SN1 3LE
• Sold Aug 2023£210,000 | 3 Bed House14, Union Street, Swindon, SN1 3LD14, Union Street, Swindon, SN1 3LD
• Sold Jul 2023£239,000 | 3 Bed House22, Prospect Hill, Swindon, SN1 3JU22, Prospect Hill, Swindon, SN1 3JU
• Sold Jul 2023£212,000 | 3 Bed House2, Union Street, Swindon, SN1 3LD2, Union Street, Swindon, SN1 3LD
• Sold Jun 2023£260,000 | 3 Bed House33, Western Street, Swindon, SN1 3JR33, Western Street, Swindon, SN1 3JR
• Sold Feb 2023£220,000 | 3 Bed House26, Union Street, Swindon, SN1 3LD26, Union Street, Swindon, SN1 3LD
• Sold Aug 2022£238,000 | 3 Bed House17, Belle Vue Road, Swindon, SN1 3HQ17, Belle Vue Road, Swindon, SN1 3HQ
• Sold Mar 2021£230,000 | 3 Bed House38, Prospect Place, Swindon, SN1 3LG38, Prospect Place, Swindon, SN1 3LG
• Sold Oct 2018£147,000 | 3 Bed House3, Union Street, Swindon, SN1 3LD3, Union Street, Swindon, SN1 3LD

Of the 56 addresses on Union Street, Swindon, SN1, 42, Union Street, Swindon comes out as the 20th largest and the 20th most expensive in our analysis of the public data.

It is also £21k less expensive than the average property across the SN1 district.

• King William Street Church of England Primary School

  100 m away
• Holy Rood Catholic Primary School

  400 m away
• Lethbridge Primary School

  500 m away

• The Commonweal School

  900 m away
• Lawn Manor Academy

  1.1 km away
• UTC Swindon

  1.3 km away

• Swindon (Wilts)

  |

  1.3 km away
• Kemble

  |

  21.6 km away
• Bedwyn

  |

  23.1 km away

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