Over the past 24 years, there have been 59 property sales recorded in the NN1 1NS postcode area. The highest sale price reached £465,000, while the most recent sale was for a terraced flat sold in May 2025 for £122,000.

The estimated average property value in NN1 1NS currently stands at £147,108, which is approximately 48.2% 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 £2,302.

Property prices in NN1 1NS have risen by 0.7% over the past year , with a total increase of 11.3% over the past five years, and a long-term rise of 37.9% over the past decade.

The most common type of property sold in the area is flat, making up around 97% of transactions , followed by other.

Housing in NN1 1NS is mixed, with 47% of homes being , indicating a diverse residential makeup.

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Property Sales

35 Bridge Street, Northampton, West Northamptonshire, NN1 1NS

Today
£286,798
streetscan.co.uk estimate
20 May 2021
£260,000

Ground Floor, 39 - 41 Bridge Street, Northampton, West Northamptonshire, NN1 1NS

Today
£490,346
streetscan.co.uk estimate
7 Dec 2023
£465,000

Apartment 1, Clarendon House, 39 Bridge Street, Northampton, Northamptonshire, NN1 1NS

🏠 Flat
🛏️ 2bed
📐 603 sq ft
Today
£127,028
streetscan.co.uk estimate
11 Aug 2005
£87,000
23 Dec 2002
£76,250
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Apartment 10, Clarendon House, 39 Bridge Street, Northampton, Northamptonshire, NN1 1NS

🏠 Flat
🛏️ 3bed
📐 614 sq ft
Today
£138,599
streetscan.co.uk estimate
26 Jul 2019
£120,000
29 Jun 2007
£98,000
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Apartment 11, Clarendon House, 39 Bridge Street, Northampton, Northamptonshire, NN1 1NS

🏠 Flat
🛏️ 2bed
📐 592 sq ft
Today
£112,158
streetscan.co.uk estimate
29 May 2012
£68,900
28 Nov 2005
£88,000
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Apartment 12, Clarendon House, 39 Bridge Street, Northampton, Northamptonshire, NN1 1NS

Today
£155,656
streetscan.co.uk estimate
28 Feb 2006
£108,000
31 Oct 2003
£98,500
7 Dec 2001
£76,500

Apartment 14, Clarendon House, 39 Bridge Street, Northampton, Northamptonshire, NN1 1NS

🏠 Flat
🛏️ 1bed
📐 506 sq ft
Today
£116,541
streetscan.co.uk estimate
27 Apr 2007
£87,000
More details

Apartment 15, Clarendon House, 39 Bridge Street, Northampton, West Northamptonshire, NN1 1NS

🏠 Flat
🛏️ 3bed
📐 646 sq ft
Today
£122,933
streetscan.co.uk estimate
17 Mar 2023
£120,000
12 May 2005
£105,000
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Apartment 16, Clarendon House, 39 Bridge Street, Northampton, West Northamptonshire, NN1 1NS

🏠 Flat
🛏️ 2bed
📐 581 sq ft
Today
£115,443
streetscan.co.uk estimate
23 Apr 2021
£105,000
29 Aug 2014
£86,000
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Apartment 17, Clarendon House, 39 Bridge Street, Northampton, Northamptonshire, NN1 1NS

🏠 Flat
🛏️ 3bed
📐 657 sq ft
Today
£180,287
streetscan.co.uk estimate
30 May 2003
£100,000
30 Mar 2001
£75,000
More details

Apartment 18, Clarendon House, 39 Bridge Street, Northampton, Northamptonshire, NN1 1NS

🏠 Flat
🛏️ 2bed
📐 506 sq ft
Today
£108,321
streetscan.co.uk estimate
21 Dec 2020
£94,000
17 Sep 2004
£94,200
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Apartment 19, Clarendon House, 39 Bridge Street, Northampton, Northamptonshire, NN1 1NS

🏠 Flat
🛏️ 2bed
📐 538 sq ft
Today
£97,614
streetscan.co.uk estimate
14 Dec 2018
£85,000
24 Mar 2016
£77,000
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Apartment 2, Clarendon House, 39 Bridge Street, Northampton, Northamptonshire, NN1 1NS

🏠 Flat
🛏️ 3bed
📐 624 sq ft
Today
£142,985
streetscan.co.uk estimate
11 Feb 2004
£84,995
15 Mar 2002
£92,800
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Apartment 20, Clarendon House, 39 Bridge Street, Northampton, Northamptonshire, NN1 1NS

🏠 Flat
🛏️ 3bed
📐 603 sq ft
Today
£202,060
streetscan.co.uk estimate
30 Mar 2001
£70,500
More details

Apartment 21, Clarendon House, 39 Bridge Street, Northampton, Northamptonshire, NN1 1NS

🏠 Flat
🛏️ 2bed
📐 517 sq ft
Today
£148,483
streetscan.co.uk estimate
28 Jun 2002
£64,500
30 Mar 2001
£56,500
More details

Apartment 3, Clarendon House, 39 Bridge Street, Northampton, Northamptonshire, NN1 1NS

🏠 Flat
🛏️ 2bed
📐 497 sq ft
Today
£85,473
streetscan.co.uk estimate
15 Dec 2016
£69,500
17 Aug 2001
£52,500
More details

Apartment 4, Clarendon House, 39 Bridge Street, Northampton, Northamptonshire, NN1 1NS

🏠 Flat
🛏️ 2bed
📐 527 sq ft
Today
£145,175
streetscan.co.uk estimate
29 Nov 2002
£71,000
30 Mar 2001
£51,500
More details

Apartment 5, Clarendon House, 39 Bridge Street, Northampton, West Northamptonshire, NN1 1NS

🏠 Flat
🛏️ 4bed
📐 538 sq ft
Today
£122,000
streetscan.co.uk estimate
7 May 2025
£122,000
8 Oct 2003
£84,000
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Apartment 6, Clarendon House, 39 Bridge Street, Northampton, Northamptonshire, NN1 1NS

🏠 Flat
🛏️ 2bed
📐 596 sq ft
Today
£131,217
streetscan.co.uk estimate
27 Feb 2004
£78,000
4 Jan 2002
£61,625
More details

Apartment 7, Clarendon House, 39 Bridge Street, Northampton, Northamptonshire, NN1 1NS

🏠 Flat
🛏️ 3bed
📐 689 sq ft
Today
£124,257
streetscan.co.uk estimate
31 Mar 2017
£104,000
24 Aug 2004
£97,000
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Apartment 8, Clarendon House, 39 Bridge Street, Northampton, Northamptonshire, NN1 1NS

🏠 Flat
🛏️ 2bed
📐 497 sq ft
Today
£113,710
streetscan.co.uk estimate
15 May 2007
£85,000
12 Sep 2001
£53,500
More details

Apartment 9, Clarendon House, 39 Bridge Street, Northampton, West Northamptonshire, NN1 1NS

🏠 Flat
🛏️ 2bed
📐 506 sq ft
Today
£98,951
streetscan.co.uk estimate
28 Apr 2021
£90,000
28 Mar 2008
£90,000
View +2 more
More details

Area Insights

Data Sources

Properties at NN1 1NS appear fifty-nine times in the Land Registry records, with the latest transaction recorded on 7 May 2025. It also has nineteen Energy Performance Certificates (EPC) entries, the earliest dating back to 16 Nov 2017. 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.