Over the past 19 years, there have been 105 property sales recorded in the AL7 4TT postcode area. The highest sale price reached £475,000, while the most recent sale was for a semi-detached flat sold in December 2024 for £260,000.

The estimated average property value in AL7 4TT currently stands at £299,559, which is approximately 32.3% 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 £4,324.

Property prices in AL7 4TT have risen by 2.1% over the past year , with a total increase of 5.4% over the past five years, and a long-term rise of 28.3% over the past decade.

The most common type of property sold in the area is flat, making up around 90% of transactions , followed by detached and semi-detached.

Housing in AL7 4TT is predominantly owner-occupied, with an estimated 60% of homes being lived in by the owners.

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Property Sales

1 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Semi-detached
🛏️ 6bed
📐 1752 sq ft
Today
£634,398
streetscan.co.uk estimate
26 Aug 2011
£355,000
11 Feb 2008
£358,000
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10 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 614 sq ft
Today
£243,015
streetscan.co.uk estimate
27 Jan 2023
£255,000
30 Nov 2007
£185,950
More details

11 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 671 sq ft
Today
£275,133
streetscan.co.uk estimate
6 Jul 2017
£275,999
11 Nov 2011
£169,995
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12 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 581 sq ft
Today
£263,500
streetscan.co.uk estimate
11 Apr 2018
£263,500
26 Nov 2007
£189,950
More details

13 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 678 sq ft
Today
£235,704
streetscan.co.uk estimate
18 Nov 2013
£162,000
25 May 2006
£159,995
More details

14 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 558 sq ft
Today
£237,255
streetscan.co.uk estimate
8 Jan 2021
£238,500
19 Aug 2011
£172,000
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15 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 667 sq ft
Today
£267,140
streetscan.co.uk estimate
22 Feb 2013
£178,000
4 Jul 2008
£115,050
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16 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 646 sq ft
Today
£252,651
streetscan.co.uk estimate
1 Jul 2021
£250,000
31 Mar 2017
£263,000
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18 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 657 sq ft
Today
£246,016
streetscan.co.uk estimate
26 Sep 2016
£245,500
21 Nov 2007
£195,950
More details

19 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 678 sq ft
Today
£282,000
streetscan.co.uk estimate
3 May 2024
£282,000
27 Jul 2007
£191,000
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2 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

Today
£715,841
streetscan.co.uk estimate
16 Dec 2005
£354,950

20 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

Today
£245,021
streetscan.co.uk estimate
30 Nov 2007
£173,803

21 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Detached
🛏️ 7bed
📐 1604 sq ft
Today
£530,849
streetscan.co.uk estimate
12 Sep 2017
£475,000
28 Mar 2013
£350,000
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22 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 538 sq ft
Today
£236,844
streetscan.co.uk estimate
10 Dec 2007
£168,500
More details

23 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Detached
🛏️ 6bed
📐 1583 sq ft
Today
£545,952
streetscan.co.uk estimate
23 Feb 2016
£445,000
6 Dec 2013
£385,000
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24 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 614 sq ft
Today
£236,758
streetscan.co.uk estimate
15 Jan 2021
£238,000
9 Jan 2013
£179,000
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25 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 678 sq ft
Today
£266,382
streetscan.co.uk estimate
27 Jan 2017
£267,500
16 Mar 2015
£210,000
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26 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 560 sq ft
Today
£243,467
streetscan.co.uk estimate
24 Oct 2017
£245,000
28 Nov 2007
£180,452
More details

27 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

Today
£262,569
streetscan.co.uk estimate
30 Jun 2006
£169,995

28 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 614 sq ft
Today
£237,551
streetscan.co.uk estimate
3 Mar 2014
£170,000
30 Nov 2007
£185,202
More details

29 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 689 sq ft
Today
£247,131
streetscan.co.uk estimate
30 Jun 2006
£160,000
More details

3 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

Today
£295,376
streetscan.co.uk estimate
28 Apr 2006
£189,995

30 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 635 sq ft
Today
£249,690
streetscan.co.uk estimate
4 Jan 2021
£251,000
23 Oct 2014
£200,000
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31 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 667 sq ft
Today
£279,876
streetscan.co.uk estimate
5 Oct 2007
£199,995
30 Jun 2006
£175,000
More details

32 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

Today
£276,834
streetscan.co.uk estimate
7 Dec 2007
£196,950

33 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 657 sq ft
Today
£253,205
streetscan.co.uk estimate
28 Jul 2006
£164,995
More details

34 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 635 sq ft
Today
£251,714
streetscan.co.uk estimate
3 Aug 2015
£215,000
20 Dec 2007
£188,450
More details

35 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 689 sq ft
Today
£230,716
streetscan.co.uk estimate
17 Jun 2022
£245,000
19 Oct 2015
£219,950
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37 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 538 sq ft
Today
£280,817
streetscan.co.uk estimate
5 Dec 2014
£221,000
17 Dec 2012
£175,000
More details

39 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 678 sq ft
Today
£257,300
streetscan.co.uk estimate
10 Dec 2024
£260,000
1 Dec 2010
£170,000
More details

4 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 592 sq ft
Today
£256,616
streetscan.co.uk estimate
9 Jun 2017
£255,000
16 Oct 2015
£218,000
View +1 more
More details

41 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 753 sq ft
Today
£275,484
streetscan.co.uk estimate
3 Dec 2021
£283,000
1 May 2013
£178,000
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More details

43 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 659 sq ft
Today
£282,633
streetscan.co.uk estimate
6 Dec 2013
£199,000
19 Sep 2006
£189,995
More details

45 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Semi-detached
🛏️ 5bed
📐 1561 sq ft
Today
£719,424
streetscan.co.uk estimate
6 Sep 2006
£374,995
More details

47 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 635 sq ft
Today
£281,121
streetscan.co.uk estimate
26 May 2022
£300,000
2 Sep 2011
£196,000
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More details

49 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 682 sq ft
Today
£260,317
streetscan.co.uk estimate
24 Nov 2006
£174,000
More details

5 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 667 sq ft
Today
£243,266
streetscan.co.uk estimate
12 Mar 2021
£242,500
7 Jan 2015
£215,000
View +2 more
More details

51 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 667 sq ft
Today
£252,116
streetscan.co.uk estimate
26 Nov 2020
£250,000
More details

53 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 753 sq ft
Today
£258,913
streetscan.co.uk estimate
30 Sep 2019
£260,000
18 May 2007
£195,000
More details

55 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 615 sq ft
Today
£259,428
streetscan.co.uk estimate
14 Jul 2014
£196,000
6 Sep 2006
£180,995
More details

57 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 667 sq ft
Today
£252,392
streetscan.co.uk estimate
25 Aug 2006
£164,995
More details

59 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 678 sq ft
Today
£252,392
streetscan.co.uk estimate
25 Aug 2006
£164,995
More details

6 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 570 sq ft
Today
£239,589
streetscan.co.uk estimate
30 Nov 2007
£169,950
More details

61 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 689 sq ft
Today
£243,015
streetscan.co.uk estimate
11 Aug 2023
£255,000
22 Feb 2016
£245,000
View +2 more
More details

63 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 685 sq ft
Today
£268,094
streetscan.co.uk estimate
1 Jun 2018
£265,000
8 Mar 2013
£175,000
View +2 more
More details

65 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 667 sq ft
Today
£263,787
streetscan.co.uk estimate
29 Jan 2016
£235,000
29 Sep 2006
£174,000
More details

7 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

Today
£262,569
streetscan.co.uk estimate
31 May 2006
£169,995

8 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 560 sq ft
Today
£244,505
streetscan.co.uk estimate
14 Dec 2007
£173,950
More details

9 St Josephs Green, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4TT

🏠 Flat
🛏️ 3bed
📐 667 sq ft
Today
£247,131
streetscan.co.uk estimate
5 Jun 2006
£160,000
More details

Area Insights

Data Sources

Properties at AL7 4TT appear one hundred and five times in the Land Registry records, with the latest transaction recorded on 10 Dec 2024. It also has fourty-three Energy Performance Certificates (EPC) entries, the earliest dating back to 9 Oct 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.