Over the past 28 years, there have been 51 property sales recorded in the NN1 3JA postcode area. The highest sale price reached £377,500, while the most recent sale was for a semi-detached flat sold in July 2025 for £190,000.

The estimated average property value in NN1 3JA currently stands at £218,250, which is approximately 20.9% 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 £2,363.

Property prices in NN1 3JA have risen by 2.4% over the past year , with a total increase of 17.1% over the past five years , and a long-term rise of 48.3% over the past decade .

The most common type of property sold in the area is terraced, making up around 51% of transactions , followed by flat and other.

Housing in NN1 3JA is predominantly owner-occupied, with an estimated 55% of homes being lived in by the owners.

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Property Sales

109 Clare Street, Northampton, Northamptonshire, NN1 3JA

🏠 Terraced
🛏️ 6bed
📐 1001 sq ft
Today
£167,674
streetscan.co.uk estimate
15 Feb 1999
£35,000
More details

111 Clare Street, Northampton, Northamptonshire, NN1 3JA

🏠 Terraced
🛏️ 4bed
📐 743 sq ft
Today
£185,954
streetscan.co.uk estimate
12 Jul 2017
£141,000
More details

113 Clare Street, Northampton, Northamptonshire, NN1 3JA

Today
£189,115
streetscan.co.uk estimate
20 Jul 2001
£56,000

119 Clare Street, Northampton, Northamptonshire, NN1 3JA

Today
£264,276
streetscan.co.uk estimate
2 Jul 2015
£200,000

121 Clare Street, Northampton, Northamptonshire, NN1 3JA

Today
£201,856
streetscan.co.uk estimate
16 Feb 2018
£185,000

125 Clare Street, Northampton, Northamptonshire, NN1 3JA

Today
£211,742
streetscan.co.uk estimate
27 Apr 2001
£59,000
9 Jul 1998
£37,000

127 Clare Street, Northampton, Northamptonshire, NN1 3JA

🏠 Terraced
🛏️ 5bed
📐 807 sq ft
Today
£120,468
streetscan.co.uk estimate
26 Aug 2004
£60,000
More details

131 Clare Street, Northampton, Northamptonshire, NN1 3JA

Today
£239,141
streetscan.co.uk estimate
30 Aug 2005
£127,000

135 Clare Street, Northampton, Northamptonshire, NN1 3JA

Today
£251,116
streetscan.co.uk estimate
19 Nov 1999
£59,000

137 Clare Street, Northampton, Northamptonshire, NN1 3JA

🏠 Terraced
🛏️ 4bed
📐 710 sq ft
Today
£213,057
streetscan.co.uk estimate
10 Mar 2017
£157,000
26 Nov 2010
£110,000
View +2 more
More details

139 Clare Street, Northampton, Northamptonshire, NN1 3JA

🏠 Terraced
🛏️ 4bed
📐 915 sq ft
Today
£179,339
streetscan.co.uk estimate
27 May 2011
£93,500
8 May 1998
£39,500
More details

141 - 149 Clare Street, Northampton, Northamptonshire, NN1 3JA

Today
£292,572
streetscan.co.uk estimate
28 Apr 2006
£158,500
3 Jul 2002
£129,000

143 Clare Street, Northampton, West Northamptonshire, NN1 3JA

🏠 Other
🛏️ 3bed
📐 861 sq ft
Today
£190,315
streetscan.co.uk estimate
29 Sep 2023
£192,500
More details

145 Clare Street, Northampton, Northamptonshire, NN1 3JA

🏠 Terraced
🛏️ 3bed
📐 904 sq ft
Today
£241,508
streetscan.co.uk estimate
23 Aug 2017
£185,000
More details

147 Clare Street, Northampton, West Northamptonshire, NN1 3JA

🏠 Terraced
🛏️ 3bed
📐 829 sq ft
Today
£186,798
streetscan.co.uk estimate
3 Jan 2025
£179,000
More details

147A Clare Street, Northampton, West Northamptonshire, NN1 3JA

🏠 Semi-detached
🛏️ 3bed
📐 882 sq ft
Today
£180,589
streetscan.co.uk estimate
17 Mar 2025
£175,000
3 Aug 2006
£160,000
More details

149 Clare Street, Northampton, West Northamptonshire, NN1 3JA

🏠 Terraced
🛏️ 3bed
📐 1055 sq ft
Today
£197,084
streetscan.co.uk estimate
25 Jun 2021
£168,000
23 May 2017
£20,000
More details

151 Clare Street, Northampton, West Northamptonshire, NN1 3JA

🏠 Terraced
🛏️ 4bed
📐 1055 sq ft
Today
£228,772
streetscan.co.uk estimate
22 Jul 2022
£217,000
24 Aug 2018
£176,000
View +1 more
More details

153 Clare Street, Northampton, Northamptonshire, NN1 3JA

🏠 Terraced
🛏️ 5bed
📐 1464 sq ft
Today
£355,706
streetscan.co.uk estimate
3 May 2002
£115,000
17 Dec 1999
£70,000
More details

155 Clare Street, Northampton, Northamptonshire, NN1 3JA

🏠 Terraced
🛏️ 8bed
📐 1550 sq ft
Today
£226,600
streetscan.co.uk estimate
11 Feb 2000
£55,000
3 Aug 1999
£45,000
More details

Flat 1, Eaton House, 141 Clare Street, Northampton, Northamptonshire, NN1 3JA

🏠 Flat
🛏️ 3bed
📐 764 sq ft
Today
£203,336
streetscan.co.uk estimate
28 Apr 2006
£149,000
More details

Flat 2, Eaton House, 141 Clare Street, Northampton, West Northamptonshire, NN1 3JA

🏠 Flat
🛏️ 3bed
📐 883 sq ft
Today
£190,000
streetscan.co.uk estimate
17 Jul 2025
£190,000
6 Apr 2018
£172,500
View +2 more
More details

Flat 3, Eaton House, 141 Clare Street, Northampton, Northamptonshire, NN1 3JA

🏠 Flat
🛏️ 3bed
📐 667 sq ft
Today
£204,987
streetscan.co.uk estimate
13 May 2005
£147,000
9 Aug 2002
£110,000
More details

Flat 4, Eaton House, 141 Clare Street, Northampton, West Northamptonshire, NN1 3JA

🏠 Flat
🛏️ 3bed
📐 689 sq ft
Today
£187,213
streetscan.co.uk estimate
26 Nov 2021
£183,500
18 Mar 2005
£154,000
View +1 more
More details

Flat 5, Eaton House, 141 Clare Street, Northampton, West Northamptonshire, NN1 3JA

🏠 Flat
🛏️ 3bed
📐 797 sq ft
Today
£175,990
streetscan.co.uk estimate
19 Nov 2021
£172,500
29 Mar 2004
£155,000
More details

Flat 6, Eaton House, 141 Clare Street, Northampton, Northamptonshire, NN1 3JA

🏠 Flat
🛏️ 3bed
📐 936 sq ft
Today
£197,459
streetscan.co.uk estimate
20 Oct 2017
£182,000
31 Aug 2007
£165,000
View +1 more
More details

Flat 7, Eaton House, 141 Clare Street, Northampton, Northamptonshire, NN1 3JA

🏠 Flat
🛏️ 3bed
📐 935 sq ft
Today
£218,061
streetscan.co.uk estimate
20 May 2016
£178,000
15 Aug 2014
£170,000
View +1 more
More details

Northampton Islamic Centre Clare Street, Northampton, Northamptonshire, NN1 3JA

Today
£563,310
streetscan.co.uk estimate
20 Dec 2013
£377,500

Area Insights

Data Sources

Properties at NN1 3JA appear fifty-one times in the Land Registry records, with the latest transaction recorded on 17 Jul 2025. It also has twenty Energy Performance Certificates (EPC) entries, the earliest dating back to 29 Oct 2008. 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.