Over the past 30 years, there have been 107 property sales recorded in the SN1 3LD postcode area. The highest sale price reached £265,000, while the most recent sale was for a terraced house sold in December 2025 for £195,000.

The estimated average property value in SN1 3LD currently stands at £217,601, which is approximately 24.5% lower than the city average - making it a relatively affordable option for buyers.

In terms of size, the average price per square metre is approximately £2,926.

Property prices in SN1 3LD have risen by 2.4% over the past year , with a total increase of 25.2% over the past five years , and a long-term rise of 56.9% over the past decade .

The most common type of property sold in the area is terraced, making up around 93% of transactions , followed by flat and semi-detached.

Housing in SN1 3LD is predominantly owner-occupied, with an estimated 66% of homes being lived in by the owners.

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Property Sales

1 Union Street, Swindon, SN1 3LD

🏠 Terraced
🛏️ 3bed
📐 657 sq ft
Today
£208,661
streetscan.co.uk estimate
3 Nov 2015
£145,500
22 Jun 2000
£75,000
More details

10 Union Street, Swindon, SN1 3LD

Today
£234,411
streetscan.co.uk estimate
13 Feb 2015
£148,000
29 Sep 2008
£123,000
30 Oct 2002
£106,500
25 Jun 1999
£63,000

11 Union Street, Swindon, SN1 3LD

Today
£214,393
streetscan.co.uk estimate
31 Jan 2000
£65,000

12 Union Street, Swindon, SN1 3LD

🏠 Terraced
🛏️ 4bed
📐 803 sq ft
Today
£231,648
streetscan.co.uk estimate
22 Jan 2016
£165,000
17 Dec 2009
£74,000
More details

12A Union Street, Old Town, Swindon, SN1 3LD

🏠 Terraced
🛏️ 4bed
📐 732 sq ft
Today
£184,157
streetscan.co.uk estimate
14 Sep 2021
£163,000
17 Nov 2003
£97,000
More details

14 Union Street, Old Town, Swindon, SN1 3LD

🏠 Terraced
🛏️ 5bed
📐 893 sq ft
Today
£211,692
streetscan.co.uk estimate
31 Aug 2023
£210,000
28 Feb 2020
£179,000
View +1 more
More details

15 Union Street, Swindon, SN1 3LD

🏠 Terraced
🛏️ 4bed
📐 873 sq ft
Today
£200,688
streetscan.co.uk estimate
15 Aug 2014
£123,500
4 Nov 2004
£126,000
View +1 more
More details

17 Union Street, Swindon, SN1 3LD

🏠 Terraced
🛏️ 6bed
📐 980 sq ft
Today
£247,848
streetscan.co.uk estimate
24 Mar 2005
£129,000
27 Jun 1997
£51,500
More details

18 Union Street, Swindon, SN1 3LD

Today
£247,805
streetscan.co.uk estimate
29 Mar 2000
£76,000
14 Jul 1995
£49,000

19 Union Street, Old Town, Swindon, SN1 3LD

🏠 Terraced
🛏️ 4bed
📐 818 sq ft
Today
£216,111
streetscan.co.uk estimate
14 Jun 2018
£172,500
31 Jan 2013
£117,500
View +2 more
More details

2 Union Street, Old Town, Swindon, SN1 3LD

🏠 Terraced
🛏️ 3bed
📐 646 sq ft
Today
£215,444
streetscan.co.uk estimate
4 Jul 2023
£212,000
11 Jun 2021
£168,000
View +1 more
More details

20 Union Street, Swindon, SN1 3LD

Today
£259,284
streetscan.co.uk estimate
15 Oct 1999
£71,750

22 Union Street, Swindon, SN1 3LD

🏠 Terraced
🛏️ 5bed
📐 893 sq ft
Today
£249,847
streetscan.co.uk estimate
1 Sep 2014
£155,000
10 Jun 2005
£125,500
View +2 more
More details

26 Union Street, Old Town, Swindon, SN1 3LD

🏠 Terraced
🛏️ 5bed
📐 926 sq ft
Today
£218,040
streetscan.co.uk estimate
17 Feb 2023
£220,000
More details

27 Union Street, Old Town, Swindon, SN1 3LD

Today
£201,087
streetscan.co.uk estimate
24 Jun 2025
£197,270
30 Mar 2016
£163,000
29 Apr 2005
£119,999
8 Dec 2000
£81,000
19 Dec 1997
£53,000

28 Union Street, Swindon, Thamesdown, SN1 3LD

🏠 Terraced
🛏️ 4bed
📐 926 sq ft
Today
£227,741
streetscan.co.uk estimate
30 Sep 1996
£43,000
More details

28A Union Street, Swindon, SN1 3LD

Today
£267,242
streetscan.co.uk estimate
1 Dec 2000
£86,500

29 Union Street, Swindon, SN1 3LD

🏠 Terraced
🛏️ 4bed
📐 778 sq ft
Today
£199,988
streetscan.co.uk estimate
21 Feb 2003
£94,500
More details

3 Union Street, Old Town, Swindon, SN1 3LD

Today
£181,663
streetscan.co.uk estimate
26 Oct 2018
£147,000
30 Sep 1997
£44,000

30A Union Street, Swindon, SN1 3LD

🏠 Terraced
🛏️ 4bed
📐 657 sq ft
Today
£234,560
streetscan.co.uk estimate
29 May 2015
£149,500
16 Mar 2007
£150,000
More details

30B Union Street, Swindon, SN1 3LD

🏠 Terraced
🛏️ 4bed
📐 657 sq ft
Today
£236,040
streetscan.co.uk estimate
30 Apr 2015
£149,500
31 Aug 2007
£150,000
More details

31 Union Street, Swindon, SN1 3LD

Today
£250,250
streetscan.co.uk estimate
22 May 1998
£57,000

32 Union Street, Swindon, SN1 3LD

🏠 Terraced
🛏️ 7bed
📐 1539 sq ft
Today
£336,000
streetscan.co.uk estimate
31 Mar 2016
£240,000
3 Feb 2014
£170,000
View +1 more
More details

34 Union Street, Swindon, SN1 3LD

🏠 Terraced
🛏️ 4bed
📐 996 sq ft
Today
£293,888
streetscan.co.uk estimate
14 Jul 2006
£165,000
29 Jun 2001
£97,000
More details

35 Union Street, Swindon, SN1 3LD

🏠 Terraced
🛏️ 5bed
📐 1033 sq ft
Today
£289,043
streetscan.co.uk estimate
7 Jul 2000
£95,000
29 Nov 1996
£55,500
More details

38 Union Street, Old Town, Swindon, SN1 3LD

🏠 Terraced
🛏️ 5bed
📐 775 sq ft
Today
£232,087
streetscan.co.uk estimate
5 Sep 2025
£230,000
2 Feb 2024
£158,000
More details

39 Union Street, Swindon, SN1 3LD

Today
£203,692
streetscan.co.uk estimate
23 Jul 1999
£52,500

4 Union Street, Swindon, SN1 3LD

🏠 Terraced
🛏️ 4bed
📐 861 sq ft
Today
£217,775
streetscan.co.uk estimate
22 Sep 2004
£114,000
30 Apr 1999
£46,250
View +1 more
More details

41 Union Street, Old Town, Swindon, SN1 3LD

Today
£213,317
streetscan.co.uk estimate
25 Sep 2017
£167,500
16 Sep 2004
£98,000

42 Union Street, Old Town, Swindon, SN1 3LD

Today
£212,132
streetscan.co.uk estimate
15 Mar 2017
£160,000
31 Aug 2007
£134,000
21 Sep 2000
£84,000
13 Oct 1999
£54,000

43 Union Street, Swindon, SN1 3LD

Today
£214,767
streetscan.co.uk estimate
22 Aug 2005
£115,000

44 Union Street, Old Town, Swindon, SN1 3LD

🏠 Terraced
🛏️ 3bed
📐 689 sq ft
Today
£193,454
streetscan.co.uk estimate
19 Dec 2025
£195,000
29 Mar 2022
£183,500
View +3 more
More details

46 Union Street, Swindon, SN1 3LD

🏠 Terraced
🛏️ 4bed
📐 753 sq ft
Today
£230,023
streetscan.co.uk estimate
12 Feb 2010
£122,250
26 Feb 2007
£125,000
View +4 more
More details

47 Union Street, Swindon, SN1 3LD

🏠 Terraced
🛏️ 3bed
📐 624 sq ft
Today
£163,707
streetscan.co.uk estimate
7 Jul 2008
£96,000
More details

48 Union Street, Swindon, SN1 3LD

🏠 Terraced
🛏️ 3bed
📐 732 sq ft
Today
£228,748
streetscan.co.uk estimate
12 Oct 2012
£125,000
30 Aug 2002
£93,950
View +1 more
More details

49 Union Street, Old Town, Swindon, SN1 3LD

🏠 Terraced
🛏️ 3bed
📐 667 sq ft
Today
£207,069
streetscan.co.uk estimate
17 Jan 2025
£205,000
13 Oct 2017
£169,000
View +3 more
More details

5 Union Street, Swindon, SN1 3LD

🏠 Terraced
🛏️ 3bed
📐 797 sq ft
Today
£217,875
streetscan.co.uk estimate
23 Aug 2013
£124,500
23 May 2008
£135,000
View +2 more
More details

6 Union Street, Old Town, Swindon, SN1 3LD

🏠 Terraced
🛏️ 4bed
📐 721 sq ft
Today
£219,955
streetscan.co.uk estimate
23 May 2025
£216,000
14 Mar 2019
£138,000
More details

7 Union Street, Old Town, Swindon, SN1 3LD

Today
£258,094
streetscan.co.uk estimate
10 Jul 2024
£255,000
6 May 2022
£265,000
27 Jul 2015
£142,000
23 Jul 2008
£122,950
26 Apr 2002
£82,500
15 Oct 1999
£53,750

Flat 1, 8 Union Street, Swindon, SN1 3LD

🏠 Flat
🛏️ 2bed
📐 549 sq ft
Today
£145,581
streetscan.co.uk estimate
5 Feb 2016
£120,000
More details

Flat 2, 8 Union Street, Old Town, Swindon, SN1 3LD

Today
£127,642
streetscan.co.uk estimate
14 Jun 2019
£115,000
19 Feb 2016
£120,000

Flat 1, 9 Union Street, Old Town, Swindon, SN1 3LD

Today
£127,900
streetscan.co.uk estimate
9 Feb 2018
£120,000
25 Jan 2016
£110,000

Flat 2, 9 Union Street, Swindon, SN1 3LD

🏠 Flat
🛏️ 2bed
📐 592 sq ft
Today
£139,516
streetscan.co.uk estimate
16 Feb 2016
£115,000
More details

Area Insights

Data Sources

Properties at SN1 3LD appear one hundred and seven times in the Land Registry records, with the latest transaction recorded on 19 Dec 2025. It also has thirty-six Energy Performance Certificates (EPC) entries, the earliest dating back to 24 Jan 2011. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.

Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.