Over the past 30 years, there have been 23 property sales recorded in the NN9 5XA postcode area. The highest sale price reached £234,000, while the most recent sale was a property sold in June 2025 for £234,000.

The estimated average property value in NN9 5XA currently stands at £166,696, which is approximately 39.6% 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 £1,748.

Property prices in NN9 5XA have risen by 5.1% over the past year , with a total increase of 26.5% over the past five years, and a long-term rise of 73.1% over the past decade.

The most common type of property sold in the area is semi-detached, making up around 74% of transactions , followed by terraced and flat.

Housing in NN9 5XA is predominantly owner-occupied, with an estimated 87% of homes being lived in by the owners.

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Property Sales

11 Welford Avenue, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5XA

🏠 Semi-detached
🛏️ 5bed
📐 1410 sq ft
Today
£221,170
streetscan.co.uk estimate
12 Dec 2014
£125,000
20 Aug 2004
£115,000
More details

13 Welford Avenue, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5XA

Today
£216,358
streetscan.co.uk estimate
27 Feb 2004
£90,500
6 Sep 2002
£75,000
14 Feb 1997
£35,950

18 Welford Avenue, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5XA

Today
£190,125
streetscan.co.uk estimate
14 Mar 2007
£105,000

20 Welford Avenue, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5XA

Today
£208,203
streetscan.co.uk estimate
26 Jul 1996
£32,000

22 Welford Avenue, Irthlingborough, Wellingborough, North Northamptonshire, NN9 5XA

🏠 Terraced
🛏️ 5bed
📐 753 sq ft
Today
£197,961
streetscan.co.uk estimate
18 Feb 2022
£180,000
27 Apr 2012
£98,500
View +1 more
More details

24 Welford Avenue, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5XA

🏠 Terraced
🛏️ 5bed
📐 837 sq ft
Today
£176,860
streetscan.co.uk estimate
18 Jun 2010
£90,000
More details

28 Welford Avenue, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5XA

Today
£205,600
streetscan.co.uk estimate
27 Jan 1995
£30,000

30 Welford Avenue, Irthlingborough, Wellingborough, North Northamptonshire, NN9 5XA

Today
£237,700
streetscan.co.uk estimate
2 Jun 2025
£234,000

33 Welford Avenue, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5XA

🏠 Semi-detached
🛏️ 5bed
📐 904 sq ft
Today
£91,211
streetscan.co.uk estimate
13 Aug 2004
£42,500
9 Aug 1996
£15,250
More details

40 Welford Avenue, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5XA

🏠 Semi-detached
🛏️ 4bed
📐 980 sq ft
Today
£137,465
streetscan.co.uk estimate
4 Nov 2016
£92,000
More details

70 Welford Avenue, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5XA

🏠 Semi-detached
🛏️ 5bed
📐 904 sq ft
Today
£133,692
streetscan.co.uk estimate
5 Jul 2019
£103,000
More details

72 Welford Avenue, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5XA

🏠 Semi-detached
🛏️ 5bed
📐 904 sq ft
Today
£120,705
streetscan.co.uk estimate
28 Jun 2013
£60,000
27 Oct 2006
£59,975
View +1 more
More details

9 Welford Avenue, Irthlingborough, Wellingborough, East Northamptonshire, Northamptonshire, NN9 5XA

🏠 Semi-detached
🛏️ 5bed
📐 850 sq ft
Today
£150,586
streetscan.co.uk estimate
2 May 2006
£75,000
18 Jun 2004
£106,500
View +1 more
More details

Area Insights

Data Sources

Properties at NN9 5XA appear twenty-three times in the Land Registry records, with the latest transaction recorded on 2 Jun 2025. It also has eight Energy Performance Certificates (EPC) entries, the earliest dating back to 18 Sep 2015. 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.