Over the past 10 years, there have been 19 property sales recorded in the AL6 9GP postcode area. The highest sale price reached £885,000, while the most recent sale was for a semi-detached house sold in December 2025 for £660,000.

The estimated average property value in AL6 9GP currently stands at £940,274, which is approximately 12.5% 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 £5,723.

Property prices in AL6 9GP have risen by 5.4% over the past year , with a total increase of 14.6% over the past five years , and a long-term rise of 45.6% over the past decade .

The most common type of property sold in the area is detached, making up around 79% of transactions , followed by semi-detached.

Housing in AL6 9GP is mixed, with 100% of homes being , indicating a diverse residential makeup.

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Property Sales

1 Salix Close, Welwyn, North Hertfordshire, Hertfordshire, AL6 9GP

🏠 Detached
🛏️ bed
📐 1916 sq ft
Today
£1,020,047
streetscan.co.uk estimate
6 Oct 2016
£830,000
More details

10 Salix Close, Welwyn, North Hertfordshire, Hertfordshire, AL6 9GP

🏠 Detached
🛏️ bed
📐 1916 sq ft
Today
£1,077,349
streetscan.co.uk estimate
15 Jun 2016
£850,000
More details

11 Salix Close, Welwyn, North Hertfordshire, Hertfordshire, AL6 9GP

🏠 Detached
🛏️ bed
📐 1916 sq ft
Today
£923,470
streetscan.co.uk estimate
5 Jul 2024
£855,000
11 May 2018
£885,000
View +1 more
More details

12 Salix Close, Welwyn, North Hertfordshire, Hertfordshire, AL6 9GP

🏠 Detached
🛏️ bed
📐 1916 sq ft
Today
£983,718
streetscan.co.uk estimate
30 Mar 2021
£850,000
29 Jul 2016
£850,000
More details

13 Salix Close, Welwyn, North Hertfordshire, Hertfordshire, AL6 9GP

🏠 Detached
🛏️ bed
📐 1884 sq ft
Today
£997,479
streetscan.co.uk estimate
15 Aug 2016
£805,000
More details

2 Salix Close, Welwyn, North Hertfordshire, Hertfordshire, AL6 9GP

🏠 Detached
🛏️ bed
📐 1916 sq ft
Today
£1,026,192
streetscan.co.uk estimate
3 Oct 2016
£835,000
More details

3 Salix Close, Welwyn, North Hertfordshire, Hertfordshire, AL6 9GP

🏠 Detached
🛏️ bed
📐 1787 sq ft
Today
£873,675
streetscan.co.uk estimate
26 Mar 2020
£730,000
24 Jun 2016
£750,000
More details

4 Salix Close, Welwyn, North Hertfordshire, Hertfordshire, AL6 9GP

🏠 Detached
🛏️ bed
📐 1787 sq ft
Today
£923,888
streetscan.co.uk estimate
9 Sep 2016
£750,000
More details

5 Salix Close, Welwyn, North Hertfordshire, Hertfordshire, AL6 9GP

🏠 Detached
🛏️ bed
📐 2002 sq ft
Today
£950,602
streetscan.co.uk estimate
30 Jun 2016
£750,000
More details

6 Salix Close, Welwyn, North Hertfordshire, Hertfordshire, AL6 9GP

🏠 Detached
🛏️ bed
📐 1884 sq ft
Today
£1,013,976
streetscan.co.uk estimate
29 Jun 2016
£800,000
More details

7 Salix Close, Welwyn, North Hertfordshire, Hertfordshire, AL6 9GP

🏠 Detached
🛏️ bed
📐 2002 sq ft
Today
£1,013,976
streetscan.co.uk estimate
30 Jun 2016
£800,000
More details

8 Salix Close, Welwyn, North Hertfordshire, Hertfordshire, AL6 9GP

🏠 Semi-detached
🛏️ bed
📐 1206 sq ft
Today
£654,500
streetscan.co.uk estimate
9 Dec 2025
£660,000
30 Nov 2016
£670,000
More details

9 Salix Close, Welwyn, North Hertfordshire, Hertfordshire, AL6 9GP

🏠 Semi-detached
🛏️ bed
📐 1206 sq ft
Today
£794,198
streetscan.co.uk estimate
10 Feb 2021
£680,000
25 May 2016
£650,000
More details

Area Insights

Data Sources

Properties at AL6 9GP appear nineteen times in the Land Registry records, with the latest transaction recorded on 9 Dec 2025. It also has thirteen Energy Performance Certificates (EPC) entries, the earliest dating back to 25 May 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.