Over the past 30 years, there have been 27 property sales recorded in the SN15 3JN postcode area. The highest sale price reached £620,000, while the most recent sale was a property sold in February 2025 for £365,000.

The estimated average property value in SN15 3JN currently stands at £432,775, which is approximately 29.1% higher than the city average, indicating a potentially more desirable or in-demand location.

In terms of size, the average price per square metre is approximately £3,147.

Property prices in SN15 3JN have risen by 2.7% over the past year , with a total increase of 20.6% over the past five years, and a long-term rise of 42.7% over the past decade.

The most common type of property sold in the area is flat, making up around 70% of transactions , followed by terraced and semi-detached.

Housing in SN15 3JN is predominantly owner-occupied, with an estimated 62% of homes being lived in by the owners.

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Property Sales

15 St Mary Street, Chippenham, Wiltshire, SN15 3JN

🏠 Detached
🛏️ 9bed
📐 2533 sq ft
Today
£1,007,127
streetscan.co.uk estimate
17 Apr 2012
£620,000
19 Mar 2003
£300,000
More details

16 St Mary Street, Chippenham, Wiltshire, SN15 3JN

🏠 Terraced
🛏️ 9bed
📐 3520 sq ft
Today
£694,807
streetscan.co.uk estimate
7 Jan 2016
£496,000
15 Feb 2002
£295,000
More details

17 St Mary Street, Chippenham, North Wiltshire, Wiltshire, SN15 3JN

🏠 Semi-detached
🛏️ 10bed
📐 3896 sq ft
Today
£875,516
streetscan.co.uk estimate
19 May 2004
£450,000
13 Dec 1996
£200,000
More details

Flat 1, 18 St Mary Street, Chippenham, Wiltshire, SN15 3JN

Today
£305,638
streetscan.co.uk estimate
1 Dec 2022
£310,000
10 Apr 2000
£132,500
6 Nov 1998
£105,000
25 Oct 1995
£80,000

Flat 2, 18 St Mary Street, Chippenham, Wiltshire, SN15 3JN

🏠 Flat
🛏️ 3bed
📐 904 sq ft
Today
£173,314
streetscan.co.uk estimate
28 Feb 2018
£156,000
26 Oct 2006
£187,500
View +2 more
More details

Flat 3, 18 St Mary Street, Chippenham, Wiltshire, SN15 3JN

Today
£371,822
streetscan.co.uk estimate
14 Feb 2025
£365,000
27 Apr 2018
£251,000

Flat 4, 18 St Mary Street, Chippenham, Wiltshire, SN15 3JN

🏠 Flat
🛏️ 3bed
📐 980 sq ft
Today
£301,453
streetscan.co.uk estimate
15 Dec 2023
£295,000
10 Nov 1996
£63,500
More details

20 St Mary Street, Chippenham, Wiltshire, SN15 3JN

🏠 Terraced
🛏️ 5bed
📐 1690 sq ft
Today
£444,114
streetscan.co.uk estimate
19 Dec 2017
£350,000
More details

20A St Mary Street, Chippenham, North Wiltshire, Wiltshire, SN15 3JN

🏠 Terraced
🛏️ 3bed
📐 1074 sq ft
Today
£401,367
streetscan.co.uk estimate
27 Jan 1997
£78,000
More details

The Coach House St Mary Street, Chippenham, Wiltshire, SN15 3JN

Today
£290,327
streetscan.co.uk estimate
21 Apr 2022
£285,000
20 Jun 2002
£127,000
6 Oct 1995
£65,000

The Cottage, 18 St Mary Street, Chippenham, Wiltshire, SN15 3JN

🏠 Flat
🛏️ 4bed
📐 657 sq ft
Today
£289,210
streetscan.co.uk estimate
28 Feb 2020
£250,000
16 Jan 2002
£24,500
View +2 more
More details

Area Insights

Data Sources

Properties at SN15 3JN appear twenty-seven times in the Land Registry records, with the latest transaction recorded on 14 Feb 2025. It also has eight Energy Performance Certificates (EPC) entries, the earliest dating back to 9 Sep 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.