Over the past 30 years, there have been 33 property sales recorded in the AL7 3DU postcode area. The highest sale price reached £535,000, while the most recent sale was for a terraced house sold in January 2026 for £517,000.

The estimated average property value in AL7 3DU currently stands at £396,079, which is approximately 14.4% 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 £4,533.

Property prices in AL7 3DU have risen by 4.5% over the past year , with a total increase of 15.3% over the past five years , and a long-term rise of 46.5% over the past decade .

The most common type of property sold in the area is terraced, making up around 73% of transactions , followed by semi-detached.

Housing in AL7 3DU is predominantly owner-occupied, with an estimated 93% of homes being lived in by the owners.

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Property Sales

11 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

Today
£399,494
streetscan.co.uk estimate
16 Aug 1996
£66,000

13 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

🏠 Semi-detached
🛏️ 5bed
📐 872 sq ft
Today
£574,051
streetscan.co.uk estimate
2 Dec 2024
£535,000
3 Jun 2016
£412,500
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15 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

🏠 Terraced
🛏️ 3bed
📐 775 sq ft
Today
£407,264
streetscan.co.uk estimate
29 May 2015
£269,000
More details

17 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

Today
£413,121
streetscan.co.uk estimate
26 Jun 1998
£86,000

19 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

🏠 Terraced
🛏️ 6bed
📐 936 sq ft
Today
£428,033
streetscan.co.uk estimate
20 Apr 2018
£356,000
More details

25 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

Today
£375,081
streetscan.co.uk estimate
29 May 1997
£67,500

27 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

🏠 Semi-detached
🛏️ 7bed
📐 1238 sq ft
Today
£509,171
streetscan.co.uk estimate
2 Jul 2019
£430,000
10 Aug 2001
£160,000
More details

29 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

Today
£384,893
streetscan.co.uk estimate
6 Sep 2002
£147,000

3 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

🏠 Terraced
🛏️ 5bed
📐 1023 sq ft
Today
£403,340
streetscan.co.uk estimate
17 Feb 2023
£390,000
More details

31 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

🏠 Terraced
🛏️ 5bed
📐 1098 sq ft
Today
£508,606
streetscan.co.uk estimate
4 Mar 2015
£330,000
More details

35 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

🏠 Terraced
🛏️ 5bed
📐 1001 sq ft
Today
£423,012
streetscan.co.uk estimate
25 Jul 2014
£265,000
More details

37 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

🏠 Terraced
🛏️ 5bed
📐 990 sq ft
Today
£435,687
streetscan.co.uk estimate
30 Jun 2021
£395,000
27 May 2015
£330,000
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More details

45 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

🏠 Terraced
🛏️ 4bed
📐 904 sq ft
Today
£400,993
streetscan.co.uk estimate
31 Jan 2017
£330,000
29 Jun 2007
£205,000
More details

47 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

🏠 Semi-detached
🛏️ 4bed
📐 753 sq ft
Today
£351,522
streetscan.co.uk estimate
7 Jul 1995
£55,000
More details

49 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

🏠 Terraced
🛏️ 3bed
📐 903 sq ft
Today
£319,034
streetscan.co.uk estimate
14 Dec 2018
£270,000
More details

53 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

🏠 Terraced
🛏️ 4bed
📐 915 sq ft
Today
£403,706
streetscan.co.uk estimate
27 Sep 2024
£382,500
5 Aug 2020
£370,000
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More details

55 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

🏠 Semi-detached
🛏️ 3bed
📐 969 sq ft
Today
£238,067
streetscan.co.uk estimate
18 Jan 2010
£121,000
More details

59 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

🏠 Terraced
🛏️ 4bed
📐 904 sq ft
Today
£414,516
streetscan.co.uk estimate
14 Oct 2016
£337,500
1 Oct 1999
£89,000
More details

61 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

🏠 Terraced
🛏️ 6bed
📐 915 sq ft
Today
£539,022
streetscan.co.uk estimate
30 Jan 2026
£517,000
22 Feb 2019
£315,000
More details

9 Sweet Briar, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 3DU

🏠 Terraced
🛏️ 6bed
📐 1141 sq ft
Today
£459,029
streetscan.co.uk estimate
12 Aug 2003
£179,950
26 Jun 2003
£175,000
More details

Area Insights

Data Sources

Properties at AL7 3DU appear thirty-three times in the Land Registry records, with the latest transaction recorded on 30 Jan 2026. It also has sixteen Energy Performance Certificates (EPC) entries, the earliest dating back to 2 Apr 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.