Over the past 29 years, there have been 15 property sales recorded in the AL7 3LT postcode area. The highest sale price reached £485,000, while the most recent sale was for a not recorded flat sold in February 2026 for £325,000.

The estimated average property value in AL7 3LT currently stands at £392,156, which is approximately 15.3% 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 £4,468.

Property prices in AL7 3LT have risen by 4.3% over the past year , with a total increase of 14.2% over the past five years , and a long-term rise of 46.4% over the past decade .

The most common type of property sold in the area is terraced, making up around 53% of transactions , followed by flat and semi-detached.

Housing in AL7 3LT is predominantly owner-occupied, with an estimated 66% of homes being lived in by the owners.

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Property Sales

11 Cowper Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3LT

🏠 Terraced
🛏️ 6bed
📐 1119 sq ft
Today
£491,696
streetscan.co.uk estimate
21 Sep 2022
£485,000
25 May 2016
£360,000
More details

15 Cowper Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3LT

Today
£421,646
streetscan.co.uk estimate
26 Apr 2002
£138,500

17 Cowper Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3LT

🏠 Terraced
🛏️ 5bed
📐 1001 sq ft
Today
£450,940
streetscan.co.uk estimate
30 Jul 2019
£379,000
More details

23 Cowper Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3LT

🏠 Terraced
🛏️ 5bed
📐 990 sq ft
Today
£446,181
streetscan.co.uk estimate
31 May 2019
£375,000
More details

27 Cowper Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3LT

🏠 Flat
🛏️ 4bed
📐 678 sq ft
Today
£328,743
streetscan.co.uk estimate
20 Feb 2026
£325,000
15 Sep 2011
£170,000
View +2 more
More details

41 Cowper Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3LT

🏠 Terraced
🛏️ 4bed
📐 829 sq ft
Today
£444,637
streetscan.co.uk estimate
29 Mar 2018
£375,000
More details

47 Cowper Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3LT

Today
£369,495
streetscan.co.uk estimate
14 Nov 2005
£172,000

5 Cowper Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3LT

🏠 Terraced
🛏️ 5bed
📐 1259 sq ft
Today
£370,575
streetscan.co.uk estimate
20 Aug 2013
£209,800
3 Nov 2003
£170,000
More details

51 Cowper Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3LT

Today
£388,981
streetscan.co.uk estimate
17 Aug 2006
£189,950
8 May 1997
£69,950

Area Insights

Data Sources

Properties at AL7 3LT appear fifteen times in the Land Registry records, with the latest transaction recorded on 20 Feb 2026. It also has six Energy Performance Certificates (EPC) entries, the earliest dating back to 15 Jan 2018. 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.