Over the past 30 years, there have been 51 property sales recorded in the NN9 5SU postcode area. The highest sale price reached £260,000, while the most recent sale was a property sold in May 2025 for £215,000.

The estimated average property value in NN9 5SU currently stands at £269,941, which is roughly in line with the city average (within ±8%), suggesting property prices reflect broader market trends.

In terms of size, the average price per square metre is approximately £3,513.

Property prices in NN9 5SU have risen by 5.1% over the past year , with a total increase of 25.8% over the past five years, and a long-term rise of 73.3% over the past decade.

100% of recorded transactions in the area were for semi-detached properties.

Housing in NN9 5SU is predominantly owner-occupied, with an estimated 86% of homes being lived in by the owners.

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Property Sales

11 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 6bed
📐 1130 sq ft
Today
£259,937
streetscan.co.uk estimate
26 Apr 2017
£177,000
More details

15 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 6bed
📐 1119 sq ft
Today
£337,049
streetscan.co.uk estimate
3 Oct 2018
£260,000
More details

17 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 4bed
📐 797 sq ft
Today
£277,838
streetscan.co.uk estimate
15 Jun 2018
£210,000
More details

1A Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 5bed
📐 1013 sq ft
Today
£296,342
streetscan.co.uk estimate
4 Nov 2011
£145,000
More details

20 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

Today
£259,705
streetscan.co.uk estimate
22 Mar 2002
£72,000

21 Knightlands Road, Irthlingborough, Wellingborough, North Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 4bed
📐 732 sq ft
Today
£257,900
streetscan.co.uk estimate
8 Jun 2021
£215,000
More details

23 Knightlands Road, Irthlingborough, Wellingborough, North Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 3bed
📐 624 sq ft
Today
£255,177
streetscan.co.uk estimate
10 May 2021
£210,000
More details

24 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 3bed
📐 797 sq ft
Today
£272,652
streetscan.co.uk estimate
25 Nov 2005
£135,000
More details

25 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

Today
£291,336
streetscan.co.uk estimate
31 Mar 2006
£140,000
2 May 2003
£119,500

26 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 3bed
📐 797 sq ft
Today
£293,714
streetscan.co.uk estimate
12 Nov 1999
£60,000
More details

27 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 4bed
📐 678 sq ft
Today
£226,300
streetscan.co.uk estimate
21 Apr 2015
£129,000
More details

28 Knightlands Road, Irthlingborough, Wellingborough, North Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 4bed
📐 678 sq ft
Today
£240,041
streetscan.co.uk estimate
11 Aug 2023
£230,000
19 Mar 2010
£134,000
View +3 more
More details

3 Knightlands Road, Irthlingborough, Wellingborough, North Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 4bed
📐 850 sq ft
Today
£267,329
streetscan.co.uk estimate
28 May 2021
£220,000
More details

31 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

Today
£288,610
streetscan.co.uk estimate
3 Dec 1998
£52,500

34 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 4bed
📐 1001 sq ft
Today
£257,883
streetscan.co.uk estimate
14 Nov 2014
£146,000
More details

36 Knightlands Road, Irthlingborough, Wellingborough, North Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 3bed
📐 829 sq ft
Today
£267,625
streetscan.co.uk estimate
10 Sep 2021
£233,000
25 Feb 2016
£162,000
More details

40 Knightlands Road, Irthlingborough, Wellingborough, North Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 4bed
📐 667 sq ft
Today
£266,261
streetscan.co.uk estimate
20 Aug 2021
£230,000
More details

42 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

Today
£342,667
streetscan.co.uk estimate
29 Sep 2000
£80,000

44 Knightlands Road, Irthlingborough, Wellingborough, North Northamptonshire, NN9 5SU

Today
£215,041
streetscan.co.uk estimate
28 Feb 2025
£205,000

46 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 3bed
📐 840 sq ft
Today
£276,021
streetscan.co.uk estimate
1 Dec 2014
£156,000
20 May 2002
£95,000
More details

5 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

Today
£302,719
streetscan.co.uk estimate
26 Mar 1999
£55,950

50 Knightlands Road, Irthlingborough, Wellingborough, North Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 4bed
📐 850 sq ft
Today
£262,748
streetscan.co.uk estimate
8 Apr 2022
£240,000
10 May 2013
£125,000
More details

52 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

Today
£305,347
streetscan.co.uk estimate
11 Jun 1999
£60,000
26 May 1995
£43,000

54 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 4bed
📐 743 sq ft
Today
£301,057
streetscan.co.uk estimate
19 Apr 2017
£205,000
31 Jan 1997
£48,000
More details

56 Knightlands Road, Irthlingborough, Wellingborough, Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 4bed
📐 753 sq ft
Today
£245,826
streetscan.co.uk estimate
21 Oct 2016
£165,000
More details

58 Knightlands Road, Irthlingborough, Wellingborough, North Northamptonshire, NN9 5SU

Today
£220,139
streetscan.co.uk estimate
29 May 2025
£215,000

60 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

Today
£326,478
streetscan.co.uk estimate
16 May 2003
£121,000
9 Feb 1996
£47,750

64 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

Today
£239,739
streetscan.co.uk estimate
19 Jan 2007
£125,000

66 Knightlands Road, Irthlingborough, Wellingborough, North Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 4bed
📐 689 sq ft
Today
£269,895
streetscan.co.uk estimate
21 Jun 2021
£225,000
28 Feb 2019
£210,000
View +1 more
More details

68 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

Today
£350,924
streetscan.co.uk estimate
21 May 2001
£85,000

70 Knightlands Road, Irthlingborough, Wellingborough, North Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 3bed
📐 678 sq ft
Today
£259,858
streetscan.co.uk estimate
3 Mar 2023
£250,000
5 Jul 2019
£221,000
View +1 more
More details

72 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

Today
£289,500
streetscan.co.uk estimate
26 Apr 2002
£81,950

74 Knightlands Road, Irthlingborough, Wellingborough, North Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 4bed
📐 807 sq ft
Today
£239,797
streetscan.co.uk estimate
21 Sep 2023
£230,000
More details

76 Knightlands Road, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 4bed
📐 872 sq ft
Today
£292,403
streetscan.co.uk estimate
30 Apr 1999
£55,750
19 Aug 1996
£37,000
More details

9 Knightlands Road, Irthlingborough, Wellingborough, North Northamptonshire, NN9 5SU

🏠 Semi-detached
🛏️ 5bed
📐 969 sq ft
Today
£294,969
streetscan.co.uk estimate
14 Dec 2020
£235,000
More details

Area Insights

Data Sources

Properties at NN9 5SU appear fifty-one times in the Land Registry records, with the latest transaction recorded on 29 May 2025. It also has twenty-three Energy Performance Certificates (EPC) entries, the earliest dating back to 11 Jul 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.