Over the past 30 years, there have been 50 property sales recorded in the SN1 3LB postcode area. The highest sale price reached £325,000, while the most recent sale was for a terraced house sold in September 2025 for £217,000.

The estimated average property value in SN1 3LB currently stands at £255,436, which is approximately 11.4% 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 £2,913.

Property prices in SN1 3LB have risen by 2.6% over the past year , with a total increase of 25.4% over the past five years , and a long-term rise of 57.6% over the past decade .

The most common type of property sold in the area is terraced, making up around 96% of transactions , followed by semi-detached.

Housing in SN1 3LB is predominantly owner-occupied, with an estimated 82% of homes being lived in by the owners.

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Property Sales

1 King William Street, Swindon, SN1 3LB

🏠 Terraced
🛏️ 4bed
📐 872 sq ft
Today
£218,969
streetscan.co.uk estimate
12 Sep 2025
£217,000
14 Jan 2011
£142,000
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11 King William Street, Swindon, SN1 3LB

🏠 Terraced
🛏️ 4bed
📐 786 sq ft
Today
£242,906
streetscan.co.uk estimate
11 Nov 2021
£215,000
23 Jan 2009
£89,950
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12 King William Street, Swindon, SN1 3LB

Today
£285,053
streetscan.co.uk estimate
18 Feb 2000
£86,000

13 King William Street, Swindon, SN1 3LB

Today
£234,985
streetscan.co.uk estimate
30 Sep 2005
£127,000
22 Feb 2002
£91,000
3 Nov 1995
£40,000

14 King William Street, Swindon, SN1 3LB

🏠 Terraced
🛏️ 4bed
📐 893 sq ft
Today
£285,153
streetscan.co.uk estimate
22 May 1998
£64,950
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15 King William Street, Swindon, SN1 3LB

🏠 Terraced
🛏️ 4bed
📐 883 sq ft
Today
£282,008
streetscan.co.uk estimate
1 May 2002
£111,000
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18 King William Street, Swindon, SN1 3LB

🏠 Terraced
🛏️ 6bed
📐 990 sq ft
Today
£263,945
streetscan.co.uk estimate
14 Nov 2022
£265,000
20 Aug 2007
£189,000
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19 King William Street, Swindon, SN1 3LB

🏠 Terraced
🛏️ 4bed
📐 947 sq ft
Today
£238,932
streetscan.co.uk estimate
29 May 2018
£190,000
7 Jan 2008
£140,000
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2 King William Street, Swindon, SN1 3LB

🏠 Terraced
🛏️ 4bed
📐 678 sq ft
Today
£217,609
streetscan.co.uk estimate
30 Nov 2018
£175,000
15 Oct 2013
£132,000
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22 King William Street, Swindon, SN1 3LB

Today
£300,300
streetscan.co.uk estimate
7 Apr 2006
£165,000
21 Feb 2001
£84,000

23 King William Street, Swindon, SN1 3LB

🏠 Terraced
🛏️ 7bed
📐 1636 sq ft
Today
£327,618
streetscan.co.uk estimate
29 Aug 2023
£325,000
10 Jul 2017
£275,000
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25 King William Street, Swindon, SN1 3LB

🏠 Terraced
🛏️ 5bed
📐 1087 sq ft
Today
£205,902
streetscan.co.uk estimate
8 Aug 2019
£162,500
28 Apr 2004
£135,000
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26 King William Street, Swindon, SN1 3LB

🏠 Terraced
🛏️ 5bed
📐 1066 sq ft
Today
£270,270
streetscan.co.uk estimate
13 Oct 2023
£270,000
31 May 2006
£132,000
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27 King William Street, Swindon, SN1 3LB

🏠 Terraced
🛏️ 4bed
📐 1399 sq ft
Today
£259,802
streetscan.co.uk estimate
26 Jun 2015
£170,000
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4 King William Street, Swindon, SN1 3LB

🏠 Terraced
🛏️ 4bed
📐 872 sq ft
Today
£225,333
streetscan.co.uk estimate
27 Jul 1998
£52,000
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5 King William Street, Swindon, SN1 3LB

🏠 Terraced
🛏️ 4bed
📐 824 sq ft
Today
£257,349
streetscan.co.uk estimate
28 May 2010
£145,000
26 May 2006
£138,500
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6 King William Street, Swindon, SN1 3LB

🏠 Terraced
🛏️ 4bed
📐 807 sq ft
Today
£219,074
streetscan.co.uk estimate
28 May 2014
£130,000
More details

7 King William Street, Swindon, SN1 3LB

🏠 Semi-detached
🛏️ 4bed
📐 807 sq ft
Today
£270,723
streetscan.co.uk estimate
24 Oct 2007
£169,000
16 Sep 2005
£131,500
More details

8 King William Street, Swindon, SN1 3LB

🏠 Terraced
🛏️ 5bed
📐 1001 sq ft
Today
£285,349
streetscan.co.uk estimate
31 May 2012
£156,500
31 Jul 2006
£125,000
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9 King William Street, Swindon, SN1 3LB

🏠 Terraced
🛏️ 4bed
📐 1012 sq ft
Today
£252,707
streetscan.co.uk estimate
11 Feb 2016
£180,000
30 Apr 2007
£144,000
View +1 more
More details

Area Insights

Data Sources

Properties at SN1 3LB appear fifty times in the Land Registry records, with the latest transaction recorded on 12 Sep 2025. It also has seventeen Energy Performance Certificates (EPC) entries, the earliest dating back to 9 Feb 2010. 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.