Over the past 31 years, there have been 102 property sales recorded in the AL5 5NG postcode area. The highest sale price reached £1,300,000, while the most recent sale was for a semi-detached house sold in January 2026 for £961,000.

The estimated average property value in AL5 5NG currently stands at £915,614, 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 £8,085.

Property prices in AL5 5NG have risen by 4.3% over the past year , with a total increase of 18.4% over the past five years , and a long-term rise of 39% over the past decade .

The most common type of property sold in the area is terraced, making up around 41% of transactions , followed by semi-detached and detached.

Housing in AL5 5NG is predominantly owner-occupied, with an estimated 82% of homes being lived in by the owners.

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Property Sales

10 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Terraced
🛏️ 5bed
📐 1152 sq ft
Today
£912,711
streetscan.co.uk estimate
31 May 2023
£825,000
24 Mar 2016
£635,000
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12 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Terraced
🛏️ 5bed
📐 875 sq ft
Today
£878,763
streetscan.co.uk estimate
26 Oct 2017
£750,000
25 Nov 2011
£450,000
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14 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Detached
🛏️ 5bed
📐 1625 sq ft
Today
£997,720
streetscan.co.uk estimate
8 Jul 2022
£975,000
More details

16 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

Today
£784,628
streetscan.co.uk estimate
4 Oct 2007
£417,000

18 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Semi-detached
🛏️ 5bed
📐 1130 sq ft
Today
£980,070
streetscan.co.uk estimate
26 Mar 2021
£842,500
16 Apr 2019
£750,000
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2 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Detached
🛏️ 7bed
📐 2164 sq ft
Today
£1,748,533
streetscan.co.uk estimate
26 May 2005
£737,500
10 Dec 1999
£445,000
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20 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

Today
£1,216,550
streetscan.co.uk estimate
31 Aug 2006
£570,000
20 Jun 2002
£340,000

22 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Terraced
🛏️ 5bed
📐 1126 sq ft
Today
£1,037,171
streetscan.co.uk estimate
18 Sep 2012
£600,000
29 Oct 2004
£388,000
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24 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

Today
£851,124
streetscan.co.uk estimate
14 Mar 2005
£375,000

26 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Detached
🛏️ 4bed
📐 969 sq ft
Today
£971,582
streetscan.co.uk estimate
5 Jan 2026
£961,000
21 Jan 2021
£882,500
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28 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

Today
£1,111,129
streetscan.co.uk estimate
7 Nov 1996
£169,950

30 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Semi-detached
🛏️ 6bed
📐 1399 sq ft
Today
£1,052,130
streetscan.co.uk estimate
17 Jun 2022
£990,000
11 Jun 2004
£403,750
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32 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

Today
£812,675
streetscan.co.uk estimate
18 Jan 2001
£225,000

34 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Detached
🛏️ 5bed
📐 1249 sq ft
Today
£947,801
streetscan.co.uk estimate
22 Nov 2001
£320,000
More details

38 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Terraced
🛏️ 7bed
📐 1315 sq ft
Today
£1,234,270
streetscan.co.uk estimate
25 Mar 2011
£660,000
15 Dec 2005
£493,000
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More details

4 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Semi-detached
🛏️ 6bed
📐 1130 sq ft
Today
£841,517
streetscan.co.uk estimate
26 May 1998
£167,000
More details

40 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Semi-detached
🛏️ 7bed
📐 1668 sq ft
Today
£1,216,644
streetscan.co.uk estimate
4 Feb 2021
£1,060,000
31 Jan 2013
£541,000
More details

42 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Semi-detached
🛏️ 8bed
📐 1948 sq ft
Today
£1,329,604
streetscan.co.uk estimate
2 Jun 2025
£1,300,000
15 Dec 2017
£988,000
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44 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Detached
🛏️ 6bed
📐 1615 sq ft
Today
£1,120,307
streetscan.co.uk estimate
29 Sep 2017
£975,000
2 Apr 2004
£470,150
More details

46 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Semi-detached
🛏️ 4bed
📐 1378 sq ft
Today
£915,045
streetscan.co.uk estimate
17 Dec 2019
£768,000
20 Sep 2013
£620,000
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More details

48 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

Today
£937,532
streetscan.co.uk estimate
3 Jul 2002
£349,950
21 Aug 1998
£225,000
19 Aug 1996
£168,000

50 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Terraced
🛏️ 6bed
📐 1173 sq ft
Today
£1,114,961
streetscan.co.uk estimate
1 Oct 2014
£767,000
1 Jun 2011
£600,000
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More details

52 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Terraced
🛏️ 7bed
📐 1496 sq ft
Today
£1,066,076
streetscan.co.uk estimate
17 Nov 2023
£990,000
18 Sep 2014
£827,000
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First Floor Flat, 54 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

Today
£247,344
streetscan.co.uk estimate
18 Oct 2013
£175,000

54A Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Flat
🛏️ 5bed
📐 818 sq ft
Today
£453,133
streetscan.co.uk estimate
25 Jun 2013
£315,000
5 Jan 2006
£249,950
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54B Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Detached
🛏️ 3bed
📐 506 sq ft
Today
£543,011
streetscan.co.uk estimate
3 Mar 2014
£350,000
More details

56 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Flat
🛏️ 5bed
📐 1009 sq ft
Today
£470,344
streetscan.co.uk estimate
24 Feb 2020
£450,000
More details

56A Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Flat
🛏️ 5bed
📐 1098 sq ft
Today
£505,357
streetscan.co.uk estimate
7 Jan 2022
£509,000
5 Sep 2011
£300,000
More details

58 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Terraced
🛏️ 2bed
📐 581 sq ft
Today
£363,309
streetscan.co.uk estimate
12 Mar 2008
£196,000
12 Mar 2008
£196,000
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58A Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Flat
🛏️ 2bed
📐 517 sq ft
Today
£306,218
streetscan.co.uk estimate
14 Sep 2001
£117,000
More details

6 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Semi-detached
🛏️ 5bed
📐 1163 sq ft
Today
£947,215
streetscan.co.uk estimate
30 May 2018
£795,000
31 May 2006
£455,000
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62 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

Today
£858,507
streetscan.co.uk estimate
22 Mar 1996
£123,000

64 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Semi-detached
🛏️ 6bed
📐 1184 sq ft
Today
£906,140
streetscan.co.uk estimate
30 Jun 2017
£750,000
30 Oct 1998
£165,000
More details

66 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Terraced
🛏️ 4bed
📐 1033 sq ft
Today
£724,642
streetscan.co.uk estimate
17 Apr 2024
£675,000
More details

70 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Terraced
🛏️ 7bed
📐 1119 sq ft
Today
£887,831
streetscan.co.uk estimate
14 Jul 2016
£740,000
18 May 2007
£480,000
View +2 more
More details

72 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Terraced
🛏️ 7bed
📐 2045 sq ft
Today
£1,438,567
streetscan.co.uk estimate
20 Jun 2013
£850,000
10 Oct 2003
£567,500
View +1 more
More details

8 Cowper Road, Harpenden, St Albans, Hertfordshire, AL5 5NG

🏠 Terraced
🛏️ 5bed
📐 980 sq ft
Today
£750,544
streetscan.co.uk estimate
13 Aug 2001
£219,950
29 Jan 1998
£132,000
View +3 more
More details

Area Insights

Data Sources

Properties at AL5 5NG appear one hundred and two times in the Land Registry records, with the latest transaction recorded on 5 Jan 2026. It also has twenty-nine Energy Performance Certificates (EPC) entries, the earliest dating back to 3 May 2012. 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.