Over the past 30 years, there have been 22 property sales recorded in the AL5 3AB postcode area. The highest sale price reached £1,895,000, while the most recent sale was for a detached house sold in July 2025 for £1,595,000.

The estimated average property value in AL5 3AB currently stands at £1,604,498, which is approximately 72.1% higher than the city average, indicating a potentially more desirable or in-demand location.

In terms of size, the average price per square metre is approximately £8,449.

Property prices in AL5 3AB have risen by 3.6% over the past year , with a total increase of 17.2% over the past five years , and a long-term rise of 40.4% over the past decade .

The most common type of property sold in the area is detached, making up around 64% of transactions , followed by semi-detached and other.

Housing in AL5 3AB is predominantly owner-occupied, with an estimated 81% of homes being lived in by the owners.

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Property Sales

1 Roundwood Park, Harpenden, St Albans, Hertfordshire, AL5 3AB

Today
£875,217
streetscan.co.uk estimate
1 Oct 2010
£500,000

11 Roundwood Park, Harpenden, St Albans, Hertfordshire, AL5 3AB

Today
£1,882,675
streetscan.co.uk estimate
12 Apr 2006
£850,000

13 Roundwood Park, Harpenden, St Albans, Hertfordshire, AL5 3AB

🏠 Other
🛏️ bed
📐 2799 sq ft
Today
£842,516
streetscan.co.uk estimate
4 Jul 2019
£800,000
24 May 1996
£249,500
More details

14 Roundwood Park, Harpenden, St Albans, Hertfordshire, AL5 3AB

🏠 Detached
🛏️ 8bed
📐 1722 sq ft
Today
£1,587,143
streetscan.co.uk estimate
3 Jul 2025
£1,595,000
More details

15 Roundwood Park, Harpenden, St Albans, Hertfordshire, AL5 3AB

🏠 Semi-detached
🛏️ 7bed
📐 1765 sq ft
Today
£1,535,718
streetscan.co.uk estimate
1 Dec 2015
£1,170,000
More details

16 Roundwood Park, Harpenden, St Albans, Hertfordshire, AL5 3AB

🏠 Detached
🛏️ 8bed
📐 1755 sq ft
Today
£1,806,346
streetscan.co.uk estimate
15 Oct 1999
£465,000
More details

17 Roundwood Park, Harpenden, St Albans, Hertfordshire, AL5 3AB

🏠 Semi-detached
🛏️ 8bed
📐 2080 sq ft
Today
£1,670,498
streetscan.co.uk estimate
15 Jul 2020
£1,387,500
13 Sep 2013
£1,145,000
View +1 more
More details

18 Roundwood Park, Harpenden, St Albans, Hertfordshire, AL5 3AB

🏠 Detached
🛏️ 8bed
📐 1884 sq ft
Today
£1,519,024
streetscan.co.uk estimate
31 Mar 2023
£1,510,000
13 Feb 2017
£1,375,000
More details

19 Roundwood Park, Harpenden, St Albans, Hertfordshire, AL5 3AB

Today
£75,143
streetscan.co.uk estimate
22 Jan 2019
£70,500

1A Roundwood Park, Harpenden, St Albans, Hertfordshire, AL5 3AB

🏠 Detached
🛏️ 9bed
📐 3412 sq ft
Today
£2,625,650
streetscan.co.uk estimate
8 Aug 2011
£1,500,000
More details

3 Roundwood Park, Harpenden, St Albans, Hertfordshire, AL5 3AB

🏠 Detached
🛏️ 9bed
📐 2809 sq ft
Today
£2,435,051
streetscan.co.uk estimate
3 Dec 2015
£1,895,000
31 Oct 2007
£1,450,000
View +1 more
More details

4 Roundwood Park, Harpenden, St Albans, Hertfordshire, AL5 3AB

🏠 Detached
🛏️ 8bed
📐 1808 sq ft
Today
£1,914,097
streetscan.co.uk estimate
18 Apr 2007
£976,000
More details

6 Roundwood Park, Harpenden, St Albans, Hertfordshire, AL5 3AB

🏠 Detached
🛏️ 8bed
📐 2131 sq ft
Today
£2,198,527
streetscan.co.uk estimate
6 Jun 2013
£1,330,000
More details

Beech House, 19A Roundwood Park, Harpenden, St Albans, Hertfordshire, AL5 3AB

Today
£2,191,682
streetscan.co.uk estimate
18 Apr 2008
£1,200,000

Park View House Roundwood Park, Harpenden, St Albans, Hertfordshire, AL5 3AB

🏠 Other
🛏️ bed
📐 2799 sq ft
Today
£842,516
streetscan.co.uk estimate
4 Jul 2019
£800,000
8 Mar 2019
£125,000
More details

Area Insights

Data Sources

Properties at AL5 3AB appear twenty-two times in the Land Registry records, with the latest transaction recorded on 3 Jul 2025. It also has eleven Energy Performance Certificates (EPC) entries, the earliest dating back to 30 Jun 2016. 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.