Over the past 31 years, there have been 41 property sales recorded in the AL7 4TJ postcode area. The highest sale price reached £527,000, while the most recent sale was for a semi-detached house sold in February 2026 for £505,000.

The estimated average property value in AL7 4TJ currently stands at £498,939, 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 £4,835.

Property prices in AL7 4TJ have risen by 3.8% over the past year , with a total increase of 13.6% over the past five years , and a long-term rise of 49.6% over the past decade .

The most common type of property sold in the area is semi-detached, making up around 61% of transactions , followed by terraced and detached.

Housing in AL7 4TJ is predominantly owner-occupied, with an estimated 86% of homes being lived in by the owners.

Click on the map to change the analyzed area

Property Sales

11 Great Ley, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TJ

Today
£407,933
streetscan.co.uk estimate
12 Nov 2003
£178,000

15 Great Ley, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TJ

🏠 Terraced
🛏️ 5bed
📐 904 sq ft
Today
£554,510
streetscan.co.uk estimate
18 Jul 2025
£527,000
25 Mar 2021
£467,500
View +2 more
More details

17 Great Ley, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TJ

🏠 Semi-detached
🛏️ 6bed
📐 1292 sq ft
Today
£577,271
streetscan.co.uk estimate
29 Jun 2021
£515,000
11 Oct 2002
£179,950
More details

19 Great Ley, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TJ

🏠 Semi-detached
🛏️ 6bed
📐 1615 sq ft
Today
£515,790
streetscan.co.uk estimate
7 Jun 2002
£179,950
More details

21 Great Ley, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TJ

🏠 Semi-detached
🛏️ 6bed
📐 1044 sq ft
Today
£604,238
streetscan.co.uk estimate
29 May 2018
£505,000
27 Apr 2017
£475,000
View +1 more
More details

23 Great Ley, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TJ

Today
£556,071
streetscan.co.uk estimate
7 Dec 2000
£152,000

29 Great Ley, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TJ

🏠 Semi-detached
🛏️ 6bed
📐 1410 sq ft
Today
£590,265
streetscan.co.uk estimate
8 Nov 2013
£335,000
19 Apr 2004
£236,000
More details

31 Great Ley, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TJ

🏠 Semi-detached
🛏️ 4bed
📐 926 sq ft
Today
£465,377
streetscan.co.uk estimate
24 Jan 2014
£270,000
31 Mar 2010
£247,500
More details

33 Great Ley, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TJ

🏠 Semi-detached
🛏️ 6bed
📐 1141 sq ft
Today
£596,623
streetscan.co.uk estimate
30 Sep 2015
£425,000
16 Jan 2009
£250,000
View +1 more
More details

35 Great Ley, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TJ

🏠 Semi-detached
🛏️ 7bed
📐 1604 sq ft
Today
£596,607
streetscan.co.uk estimate
28 Feb 2018
£505,000
7 Dec 2007
£285,000
More details

37 Great Ley, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TJ

Today
£517,749
streetscan.co.uk estimate
2 Dec 2005
£239,000
31 Oct 2003
£198,000

39 Great Ley, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TJ

🏠 Semi-detached
🛏️ 4bed
📐 958 sq ft
Today
£513,991
streetscan.co.uk estimate
20 Feb 2026
£505,000
30 Oct 2008
£190,000
More details

47 Great Ley, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TJ

🏠 Semi-detached
🛏️ 7bed
📐 1328 sq ft
Today
£584,793
streetscan.co.uk estimate
8 May 2019
£495,000
6 Apr 2010
£285,000
More details

47A Great Ley, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TJ

🏠 Other
🛏️ 5bed
📐 850 sq ft
Today
£425,573
streetscan.co.uk estimate
19 May 2017
£415,000
28 Apr 2006
£221,000
More details

49 Great Ley, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TJ

🏠 Semi-detached
🛏️ 5bed
📐 943 sq ft
Today
£479,050
streetscan.co.uk estimate
8 Apr 2010
£250,000
14 Jun 1996
£70,000
More details

53 Great Ley, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TJ

🏠 Semi-detached
🛏️ 4bed
📐 965 sq ft
Today
£458,294
streetscan.co.uk estimate
28 Aug 2009
£212,000
1 Apr 2005
£169,950
More details

55 Great Ley, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TJ

Today
£436,548
streetscan.co.uk estimate
27 Aug 2002
£155,000

59 Great Ley, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TJ

🏠 Terraced
🛏️ 5bed
📐 1393 sq ft
Today
£467,273
streetscan.co.uk estimate
7 Dec 2007
£250,000
31 Oct 2003
£173,500
View +1 more
More details

9 Great Ley, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TJ

🏠 Terraced
🛏️ 4bed
📐 1004 sq ft
Today
£520,243
streetscan.co.uk estimate
24 Sep 2009
£250,000
14 Jul 2006
£250,000
View +2 more
More details

Area Insights

Data Sources

Properties at AL7 4TJ appear fourty-one times in the Land Registry records, with the latest transaction recorded on 20 Feb 2026. It also has fifteen Energy Performance Certificates (EPC) entries, the earliest dating back to 11 May 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.