Over the past 20 years, there have been 58 property sales recorded in the AL8 6YX postcode area. The highest sale price reached £550,000, while the most recent sale was for a terraced flat sold in October 2025 for £305,000.

The estimated average property value in AL8 6YX currently stands at £359,957, which is approximately 20.4% 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 £5,117.

Property prices in AL8 6YX have risen by 2.6% over the past year , with a total increase of 5.9% over the past five years, and a long-term rise of 29.2% over the past decade.

The most common type of property sold in the area is flat, making up around 60% of transactions , followed by semi-detached and terraced.

Housing in AL8 6YX is predominantly owner-occupied, with an estimated 61% of homes being lived in by the owners.

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Property Sales

1 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

🏠 Semi-detached
🛏️ 5bed
📐 1109 sq ft
Today
£507,968
streetscan.co.uk estimate
5 Dec 2022
£510,000
9 Aug 2011
£347,500
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10 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

🏠 Flat
🛏️ 3bed
📐 564 sq ft
Today
£249,069
streetscan.co.uk estimate
26 Nov 2018
£247,000
24 Mar 2017
£245,000
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11 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

🏠 Flat
🛏️ 3bed
📐 646 sq ft
Today
£312,005
streetscan.co.uk estimate
7 Apr 2005
£185,000
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12 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

🏠 Flat
🛏️ 3bed
📐 657 sq ft
Today
£278,790
streetscan.co.uk estimate
19 Aug 2019
£273,000
28 Oct 2013
£205,000
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13 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

🏠 Flat
🛏️ 3bed
📐 657 sq ft
Today
£299,701
streetscan.co.uk estimate
22 Mar 2013
£197,000
6 Jul 2007
£200,000
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14 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

🏠 Flat
🛏️ 3bed
📐 657 sq ft
Today
£314,022
streetscan.co.uk estimate
31 Mar 2005
£195,000
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15 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

🏠 Flat
🛏️ 3bed
📐 657 sq ft
17 Oct 2025
£305,000
3 Sep 2018
£265,000
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16 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

🏠 Flat
🛏️ 3bed
📐 549 sq ft
Today
£265,758
streetscan.co.uk estimate
1 Jun 2012
£178,000
31 Jul 2009
£169,000
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17 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

🏠 Flat
🛏️ 3bed
📐 527 sq ft
Today
£255,301
streetscan.co.uk estimate
29 Aug 2014
£193,000
29 Mar 2005
£171,000
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18 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

🏠 Semi-detached
🛏️ 5bed
📐 818 sq ft
Today
£561,798
streetscan.co.uk estimate
24 Jul 2024
£550,000
2 Dec 2016
£471,000
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19 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

Today
£691,824
streetscan.co.uk estimate
30 Dec 2004
£330,000

2 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

🏠 Semi-detached
🛏️ 4bed
📐 1076 sq ft
Today
£540,230
streetscan.co.uk estimate
1 May 2025
£517,000
5 Mar 2021
£450,000
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20 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

🏠 Terraced
🛏️ 4bed
📐 1087 sq ft
Today
£533,956
streetscan.co.uk estimate
20 Nov 2015
£399,000
8 Feb 2005
£315,535
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3 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

🏠 Semi-detached
🛏️ 4bed
📐 1109 sq ft
Today
£554,348
streetscan.co.uk estimate
29 Jan 2021
£510,000
2 Feb 2016
£435,000
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4 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

🏠 Flat
🛏️ 3bed
📐 667 sq ft
Today
£294,173
streetscan.co.uk estimate
11 Apr 2014
£212,000
18 Mar 2005
£185,000
More details

5 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

🏠 Flat
🛏️ 3bed
📐 646 sq ft
Today
£306,499
streetscan.co.uk estimate
4 Aug 2025
£310,000
18 Jun 2021
£280,000
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6 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

Today
£327,847
streetscan.co.uk estimate
17 Jun 2005
£199,500
14 Mar 2005
£195,000

7 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

🏠 Flat
🛏️ 3bed
📐 667 sq ft
Today
£306,139
streetscan.co.uk estimate
25 Apr 2007
£206,000
14 Mar 2005
£195,000
More details

8 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

🏠 Flat
🛏️ 3bed
📐 551 sq ft
Today
£281,355
streetscan.co.uk estimate
13 Mar 2015
£220,000
21 Jan 2011
£177,500
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9 De Soissons Close, Welwyn Garden City, Welwyn Hatfield, Hertfordshire, AL8 6YX

🏠 Flat
🛏️ 3bed
📐 635 sq ft
Today
£283,533
streetscan.co.uk estimate
30 Sep 2016
£280,000
26 Nov 2010
£199,950
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More details

Area Insights

Data Sources

Properties at AL8 6YX appear fifty-eight times in the Land Registry records, with the latest transaction recorded on 17 Oct 2025. It also has eighteen Energy Performance Certificates (EPC) entries, the earliest dating back to 14 Sep 2015. 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.