Over the past 30 years, there have been 38 property sales recorded in the HA3 9QA postcode area. The highest sale price reached £510,000, while the most recent sale was for a terraced house sold in October 2025 for £490,000.

The estimated average property value in HA3 9QA currently stands at £505,541, 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 £5,358.

Property prices in HA3 9QA have risen by 3.1% over the past year , with a total increase of 17.8% over the past five years , and a long-term rise of 33.2% over the past decade .

The most common type of property sold in the area is terraced, making up around 63% of transactions , followed by flat and semi-detached.

Housing in HA3 9QA is predominantly owner-occupied, with an estimated 58% of homes being lived in by the owners.

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Property Sales

1 Cowbridge Road, Harrow, Greater London, HA3 9QA

Today
£630,000
streetscan.co.uk estimate
13 Mar 1998
£120,000
31 Jul 1997
£93,000

11 Cowbridge Road, Harrow, Greater London, HA3 9QA

🏠 Terraced
🛏️ 8bed
📐 1755 sq ft
Today
£755,252
streetscan.co.uk estimate
8 Aug 2014
£505,000
2 Sep 2002
£295,000
More details

13 Cowbridge Road, Harrow, Greater London, HA3 9QA

🏠 Terraced
🛏️ 4bed
📐 893 sq ft
Today
£627,692
streetscan.co.uk estimate
5 Apr 2019
£510,000
More details

17 Cowbridge Road, Harrow, Greater London, HA3 9QA

Today
£526,567
streetscan.co.uk estimate
15 Jun 1998
£105,000

19 Cowbridge Road, Harrow, Greater London, HA3 9QA

🏠 Terraced
🛏️ 5bed
📐 926 sq ft
Today
£594,875
streetscan.co.uk estimate
17 Sep 2015
£461,500
More details

20 Cowbridge Road, Harrow, Greater London, HA3 9QA

Today
£636,745
streetscan.co.uk estimate
10 Jul 2006
£295,000

21 Cowbridge Road, Harrow, Greater London, HA3 9QA

Today
£478,178
streetscan.co.uk estimate
27 May 2010
£250,000

23 Cowbridge Road, Harrow, Greater London, HA3 9QA

Today
£566,199
streetscan.co.uk estimate
5 Jan 1996
£82,500

24 Cowbridge Road, Harrow, Greater London, HA3 9QA

🏠 Terraced
🛏️ 4bed
📐 883 sq ft
Today
£518,566
streetscan.co.uk estimate
17 Jul 2007
£267,000
More details

25 Cowbridge Road, Harrow, Greater London, HA3 9QA

Today
£580,234
streetscan.co.uk estimate
26 Sep 2003
£238,000

26 Cowbridge Road, Harrow, Greater London, HA3 9QA

Today
£554,966
streetscan.co.uk estimate
25 Nov 2004
£245,000

28 Cowbridge Road, Harrow, Greater London, HA3 9QA

🏠 Semi-detached
🛏️ 6bed
📐 872 sq ft
Today
£537,108
streetscan.co.uk estimate
5 Aug 2005
£238,000
More details

3 Cowbridge Road, Harrow, Greater London, HA3 9QA

Today
£568,615
streetscan.co.uk estimate
8 Apr 1998
£110,000

34 Cowbridge Road, Harrow, Greater London, HA3 9QA

🏠 Terraced
🛏️ 5bed
📐 861 sq ft
Today
£417,045
streetscan.co.uk estimate
9 Aug 2013
£247,000
More details

38 Cowbridge Road, Harrow, Greater London, HA3 9QA

Today
£598,041
streetscan.co.uk estimate
5 Nov 2004
£265,000
26 Feb 2004
£218,500

4 Cowbridge Road, Harrow, Greater London, HA3 9QA

🏠 Terraced
🛏️ 5bed
📐 947 sq ft
Today
£489,030
streetscan.co.uk estimate
16 Oct 2025
£490,000
1 Nov 2001
£180,000
More details

40 Cowbridge Road, Harrow, Greater London, HA3 9QA

Today
£681,029
streetscan.co.uk estimate
11 Aug 2008
£352,000

46 Cowbridge Road, Harrow, Greater London, HA3 9QA

Today
£544,000
streetscan.co.uk estimate
12 Dec 1997
£102,000

48 Cowbridge Road, Harrow, Greater London, HA3 9QA

Today
£624,676
streetscan.co.uk estimate
10 Nov 1995
£88,000

5 Cowbridge Road, Harrow, Greater London, HA3 9QA

🏠 Terraced
🛏️ 5bed
📐 915 sq ft
Today
£406,470
streetscan.co.uk estimate
18 Sep 2020
£348,000
More details

50 Cowbridge Road, Harrow, Greater London, HA3 9QA

🏠 Terraced
🛏️ 4bed
📐 893 sq ft
Today
£483,288
streetscan.co.uk estimate
21 Sep 1995
£70,000
More details

52 Cowbridge Road, Harrow, Greater London, HA3 9QA

🏠 Terraced
🛏️ 5bed
📐 883 sq ft
Today
£510,244
streetscan.co.uk estimate
14 Feb 2013
£286,000
More details

54 Cowbridge Road, Harrow, Greater London, HA3 9QA

🏠 Flat
🛏️ 2bed
📐 581 sq ft
Today
£320,677
streetscan.co.uk estimate
29 Jan 2025
£327,500
5 Jun 2020
£10,000
View +3 more
More details

54A Cowbridge Road, Harrow, Greater London, HA3 9QA

🏠 Flat
🛏️ 3bed
📐 753 sq ft
Today
£283,288
streetscan.co.uk estimate
17 Dec 1999
£88,000
More details

Flat 3, 56 Cowbridge Road, Harrow, Greater London, HA3 9QA

Today
£269,909
streetscan.co.uk estimate
8 Apr 2005
£158,500
22 Dec 1999
£81,500
31 Jul 1998
£60,000

9 Cowbridge Road, Harrow, Greater London, HA3 9QA

Today
£657,971
streetscan.co.uk estimate
22 Jun 2001
£189,950
7 Apr 1998
£97,000
19 Dec 1997
£81,000

Area Insights

Data Sources

Properties at HA3 9QA appear thirty-eight times in the Land Registry records, with the latest transaction recorded on 16 Oct 2025. It also has twelve Energy Performance Certificates (EPC) entries, the earliest dating back to 19 Mar 2013. 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.