Over the past 29 years, there have been 33 property sales recorded in the AL7 4BT postcode area. The highest sale price reached £575,000, while the most recent sale was for a terraced house sold in January 2026 for £425,000.

The estimated average property value in AL7 4BT currently stands at £443,927, 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 £5,360.

Property prices in AL7 4BT have risen by 4.5% over the past year , with a total increase of 16.3% over the past five years , and a long-term rise of 53.7% over the past decade .

The most common type of property sold in the area is terraced, making up around 76% of transactions , followed by semi-detached.

Housing in AL7 4BT is predominantly owner-occupied, with an estimated 100% of homes being lived in by the owners.

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Property Sales

11 Marley Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4BT

Today
£437,612
streetscan.co.uk estimate
2 Dec 2002
£169,000

13 Marley Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4BT

Today
£434,877
streetscan.co.uk estimate
19 Oct 2017
£360,000

15 Marley Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4BT

🏠 Terraced
🛏️ 6bed
📐 1033 sq ft
Today
£583,699
streetscan.co.uk estimate
13 Feb 2024
£551,334
1 Jun 2016
£430,000
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More details

19 Marley Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4BT

🏠 Terraced
🛏️ 5bed
📐 1023 sq ft
Today
£455,607
streetscan.co.uk estimate
2 Jul 2015
£316,000
30 Nov 2001
£175,000
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More details

25 Marley Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4BT

🏠 Semi-detached
🛏️ 4bed
📐 872 sq ft
Today
£595,246
streetscan.co.uk estimate
30 Nov 2022
£575,000
27 Sep 2013
£230,000
More details

27 Marley Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4BT

🏠 Terraced
🛏️ 5bed
📐 915 sq ft
Today
£359,519
streetscan.co.uk estimate
28 May 2021
£320,000
30 Jun 2000
£104,000
More details

29 Marley Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4BT

🏠 Terraced
🛏️ 5bed
📐 840 sq ft
Today
£449,385
streetscan.co.uk estimate
22 Feb 2019
£368,950
9 Mar 2016
£345,000
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More details

31 Marley Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4BT

🏠 Semi-detached
🛏️ 3bed
📐 872 sq ft
Today
£445,795
streetscan.co.uk estimate
9 Jan 2026
£425,000
30 Nov 2022
£380,000
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More details

41 Marley Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4BT

🏠 Terraced
🛏️ 4bed
📐 829 sq ft
Today
£429,269
streetscan.co.uk estimate
31 Oct 2022
£420,500
23 Jan 2009
£194,000
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43 Marley Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4BT

🏠 Terraced
🛏️ 5bed
📐 829 sq ft
Today
£379,423
streetscan.co.uk estimate
19 Mar 2018
£320,000
26 Jun 2012
£205,000
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More details

45 Marley Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4BT

Today
£449,451
streetscan.co.uk estimate
30 Sep 1998
£94,000

49 Marley Road, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL7 4BT

🏠 Semi-detached
🛏️ 4bed
📐 926 sq ft
Today
£559,819
streetscan.co.uk estimate
29 Aug 2013
£315,000
More details

Area Insights

Data Sources

Properties at AL7 4BT appear thirty-three times in the Land Registry records, with the latest transaction recorded on 9 Jan 2026. It also has nine Energy Performance Certificates (EPC) entries, the earliest dating back to 26 Jun 2013. 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.