Over the past 30 years, there have been 25 property sales recorded in the AL6 0NY postcode area. The highest sale price reached £1,900,000, while the most recent sale was for a detached house sold in March 2025 for £1,500,000.

The estimated average property value in AL6 0NY currently stands at £1,417,158, which is approximately 73.4% higher than the city average, indicating a potentially more desirable or in-demand location.

In terms of size, the average price per square metre is approximately £6,433.

Property prices in AL6 0NY have risen by 1.4% over the past year , with a total increase of 13.2% over the past five years, and a long-term rise of 49.9% over the past decade.

100% of recorded transactions in the area were for detached properties.

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

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Property Sales

11 Firs Walk, Tewin, Welwyn, East Hertfordshire, Hertfordshire, AL6 0NY

🏠 Detached
🛏️ 9bed
📐 2863 sq ft
Today
£1,649,409
streetscan.co.uk estimate
3 Aug 2015
£1,200,000
31 Mar 1995
£240,000
More details

15 Firs Walk, Tewin, Welwyn, East Hertfordshire, Hertfordshire, AL6 0NY

🏠 Detached
🛏️ 7bed
📐 2271 sq ft
Today
£1,268,311
streetscan.co.uk estimate
7 Sep 2001
£445,000
12 Jun 1998
£350,000
View +1 more
More details

17 Firs Walk, Tewin, Welwyn, East Hertfordshire, Hertfordshire, AL6 0NY

🏠 Detached
🛏️ bed
📐 3240 sq ft
Today
£1,050,740
streetscan.co.uk estimate
2 May 2014
£665,000
More details

19 Firs Walk, Tewin, Welwyn, East Hertfordshire, Hertfordshire, AL6 0NY

🏠 Detached
🛏️ bed
📐 3918 sq ft
Today
£1,422,742
streetscan.co.uk estimate
5 Feb 2021
£1,250,000
30 Nov 1995
£240,000
More details

21 Firs Walk, Tewin, Welwyn, East Hertfordshire, Hertfordshire, AL6 0NY

Today
£1,439,264
streetscan.co.uk estimate
26 Oct 2005
£710,000

23 Firs Walk, Tewin, Welwyn, East Hertfordshire, Hertfordshire, AL6 0NY

🏠 Detached
🛏️ 8bed
📐 1905 sq ft
Today
£1,319,374
streetscan.co.uk estimate
30 Aug 2023
£1,250,000
16 Nov 2017
£885,500
More details

27 Firs Walk, Tewin, Welwyn, East Hertfordshire, Hertfordshire, AL6 0NY

🏠 Detached
🛏️ 8bed
📐 1854 sq ft
Today
£1,615,914
streetscan.co.uk estimate
6 Sep 2012
£930,000
21 Aug 1997
£315,000
More details

29 Firs Walk, Tewin, Welwyn, East Hertfordshire, Hertfordshire, AL6 0NY

🏠 Detached
🛏️ bed
📐 3897 sq ft
Today
£2,121,025
streetscan.co.uk estimate
20 Nov 2020
£1,900,000
24 Apr 2013
£545,000
More details

3 Firs Walk, Tewin, Welwyn, East Hertfordshire, Hertfordshire, AL6 0NY

🏠 Detached
🛏️ 7bed
📐 2126 sq ft
Today
£1,641,469
streetscan.co.uk estimate
16 Sep 2011
£940,000
28 Mar 1995
£242,000
More details

31 Firs Walk, Tewin, Welwyn, East Hertfordshire, Hertfordshire, AL6 0NY

🏠 Detached
🛏️ 8bed
📐 1722 sq ft
Today
£1,157,522
streetscan.co.uk estimate
21 Jul 2014
£752,500
More details

33 Firs Walk, Tewin, Welwyn, East Hertfordshire, Hertfordshire, AL6 0NY

🏠 Detached
🛏️ 10bed
📐 2745 sq ft
Today
£1,573,721
streetscan.co.uk estimate
17 Mar 2025
£1,500,000
2 Nov 2000
£540,000
View +1 more
More details

5 Firs Walk, Tewin, Welwyn, East Hertfordshire, Hertfordshire, AL6 0NY

🏠 Detached
🛏️ 7bed
📐 1879 sq ft
Today
£1,704,055
streetscan.co.uk estimate
18 Jan 2011
£940,000
More details

7 Firs Walk, Tewin, Welwyn, East Hertfordshire, Hertfordshire, AL6 0NY

Today
£1,494,286
streetscan.co.uk estimate
23 Mar 2021
£1,300,000

9 Firs Walk, Tewin, Welwyn, East Hertfordshire, Hertfordshire, AL6 0NY

🏠 Detached
🛏️ 7bed
📐 2379 sq ft
Today
£1,610,535
streetscan.co.uk estimate
8 Nov 2013
£950,000
More details

Delphi, 3 Firs Walk, Tewin, Welwyn, East Hertfordshire, Hertfordshire, AL6 0NY

Today
£1,246,887
streetscan.co.uk estimate
29 Jan 2019
£1,080,000

Area Insights

Data Sources

Properties at AL6 0NY appear twenty-five times in the Land Registry records, with the latest transaction recorded on 17 Mar 2025. It also has twelve Energy Performance Certificates (EPC) entries, the earliest dating back to 1 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.