Over the past 30 years, there have been 19 property sales recorded in the AL6 0TU postcode area. The highest sale price reached £1,000,000, while the most recent sale was for a detached house sold in January 2025 for £750,000.

The estimated average property value in AL6 0TU currently stands at £770,620, 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 £4,465.

Property prices in AL6 0TU have risen by 2% over the past year , with a total increase of 12.4% over the past five years, and a long-term rise of 43.4% over the past decade.

The most common type of property sold in the area is detached, making up around 84% of transactions , followed by semi-detached.

Housing in AL6 0TU is predominantly owner-occupied, with an estimated 75% of homes being lived in by the owners.

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Property Sales

17 Mardley Avenue, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0TU

🏠 Detached
🛏️ 7bed
📐 1722 sq ft
Today
£754,668
streetscan.co.uk estimate
31 Jan 2025
£750,000
18 Dec 2006
£395,000
More details

21 Mardley Avenue, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0TU

Today
£754,003
streetscan.co.uk estimate
22 Nov 1996
£142,250
24 Feb 1995
£136,000

23 Mardley Avenue, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0TU

🏠 Detached
🛏️ 6bed
📐 2099 sq ft
Today
£626,325
streetscan.co.uk estimate
24 Mar 2000
£195,000
More details

25 Mardley Avenue, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0TU

Today
£663,797
streetscan.co.uk estimate
26 Apr 2005
£310,000

29 Mardley Avenue, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0TU

Today
£900,855
streetscan.co.uk estimate
19 Jan 2007
£456,000

31 Mardley Avenue, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0TU

🏠 Detached
🛏️ 7bed
📐 3046 sq ft
Today
£1,336,088
streetscan.co.uk estimate
26 Oct 2001
£500,000
More details

35 Mardley Avenue, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0TU

🏠 Detached
🛏️ 6bed
📐 1528 sq ft
Today
£818,009
streetscan.co.uk estimate
27 Nov 2020
£775,000
16 Aug 2013
£515,000
View +2 more
More details

37 Mardley Avenue, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0TU

🏠 Detached
🛏️ 5bed
📐 1281 sq ft
Today
£650,734
streetscan.co.uk estimate
10 Dec 2004
£320,000
14 Jun 1999
£210,000
More details

39 Mardley Avenue, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0TU

🏠 Detached
🛏️ 7bed
📐 2820 sq ft
Today
£1,030,818
streetscan.co.uk estimate
28 May 2024
£1,000,000
5 Dec 2008
£500,000
More details

7 Mardley Avenue, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0TU

🏠 Semi-detached
🛏️ 4bed
📐 1475 sq ft
Today
£468,594
streetscan.co.uk estimate
25 Oct 2022
£470,000
More details

7A Mardley Avenue, Welwyn, Welwyn Hatfield, Hertfordshire, AL6 0TU

🏠 Semi-detached
🛏️ 4bed
📐 1173 sq ft
Today
£514,933
streetscan.co.uk estimate
30 Oct 2024
£500,000
30 Jun 2021
£425,000
More details

Area Insights

Data Sources

Properties at AL6 0TU appear nineteen times in the Land Registry records, with the latest transaction recorded on 31 Jan 2025. It also has eight Energy Performance Certificates (EPC) entries, the earliest dating back to 20 May 2020. 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.