Over the past 28 years, there have been 22 property sales recorded in the AL6 0AT postcode area. The highest sale price reached £1,885,000, while the most recent sale was a property sold in August 2025 for £720,000.

The estimated average property value in AL6 0AT currently stands at £1,462,229, which is approximately 78.9% 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 £5,865.

Property prices in AL6 0AT have risen by 1.8% over the past year , with a total increase of 11.5% over the past five years, and a long-term rise of 40.1% over the past decade.

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

Housing in AL6 0AT is predominantly owner-occupied, with an estimated 85% of homes being lived in by the owners.

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Property Sales

26 Harmer Green Lane, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0AT

Today
£709,036
streetscan.co.uk estimate
20 Aug 2025
£720,000

28 Harmer Green Lane, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0AT

Today
£989,400
streetscan.co.uk estimate
6 Sep 2006
£510,000
26 Jul 2004
£360,000

32 Harmer Green Lane, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0AT

🏠 Detached
🛏️ 7bed
📐 1786 sq ft
Today
£1,036,176
streetscan.co.uk estimate
6 Feb 2012
£595,000
More details

36 Harmer Green Lane, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0AT

Today
£1,321,178
streetscan.co.uk estimate
16 Jul 2010
£775,000

38 Harmer Green Lane, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0AT

🏠 Detached
🛏️ 8bed
📐 2863 sq ft
Today
£1,739,141
streetscan.co.uk estimate
31 Mar 2022
£1,775,000
2 Dec 2015
£1,201,264
View +1 more
More details

40 Harmer Green Lane, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0AT

🏠 Detached
🛏️ 9bed
📐 4144 sq ft
Today
£1,720,678
streetscan.co.uk estimate
3 Dec 2021
£1,726,000
30 Jul 2010
£1,240,000
View +3 more
More details

42 Harmer Green Lane, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0AT

🏠 Detached
🛏️ 8bed
📐 2626 sq ft
Today
£1,471,636
streetscan.co.uk estimate
12 Nov 2015
£1,150,000
19 Jul 1999
£270,000
More details

44 Harmer Green Lane, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0AT

🏠 Detached
🛏️ 7bed
📐 2562 sq ft
Today
£1,437,982
streetscan.co.uk estimate
23 Mar 2011
£845,000
30 Jun 2004
£700,000
More details

44A Harmer Green Lane, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0AT

🏠 Detached
🛏️ 7bed
📐 1733 sq ft
Today
£957,040
streetscan.co.uk estimate
16 Dec 2021
£960,000
More details

46 Harmer Green Lane, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0AT

Today
£1,757,246
streetscan.co.uk estimate
15 Oct 1999
£500,000

48A Harmer Green Lane, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0AT

🏠 Detached
🛏️ 11bed
📐 3800 sq ft
Today
£2,087,272
streetscan.co.uk estimate
5 Oct 2018
£1,885,000
28 Apr 2008
£905,000
More details

52 Harmer Green Lane, Welwyn, East Hertfordshire, Hertfordshire, AL6 0AT

Today
£1,616,667
streetscan.co.uk estimate
18 Nov 1997
£365,000

Area Insights

Data Sources

Properties at AL6 0AT appear twenty-two times in the Land Registry records, with the latest transaction recorded on 20 Aug 2025. It also has seven Energy Performance Certificates (EPC) entries, the earliest dating back to 9 Aug 2021. 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.