Over the past 30 years, there have been 26 property sales recorded in the AL9 6NG postcode area. The highest sale price reached £4,500,000, while the most recent sale was for a detached house sold in April 2025 for £1,100,000.

The estimated average property value in AL9 6NG currently stands at £2,293,780, which is approximately 451.4% 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 £6,928.

Property prices in AL9 6NG have risen by 2.3% over the past year , with a total increase of 11.8% over the past five years, and a long-term rise of 53.4% over the past decade.

The most common type of property sold in the area is detached, making up around 92% of transactions , followed by other and semi-detached.

Housing in AL9 6NG is predominantly owner-occupied, with an estimated 66% of homes being lived in by the owners.

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Property Sales

1 Kentish Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6NG

Today
£1,300,000
streetscan.co.uk estimate
17 Jan 2000
£390,000

11 Kentish Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6NG

🏠 Detached
🛏️ 7bed
📐 1647 sq ft
Today
£1,114,943
streetscan.co.uk estimate
24 Apr 2025
£1,100,000
14 Apr 2023
£1,010,000
More details

13 Kentish Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6NG

🏠 Detached
🛏️ 8bed
📐 2120 sq ft
Today
£1,562,225
streetscan.co.uk estimate
20 Feb 2015
£1,100,000
More details

19 Kentish Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6NG

Today
£2,834,301
streetscan.co.uk estimate
8 Aug 2008
£1,610,000

21 Kentish Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6NG

Today
£4,994,279
streetscan.co.uk estimate
24 Feb 2020
£4,500,000
6 Jun 2017
£2,100,000

27 Kentish Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6NG

🏠 Detached
🛏️ bed
📐 5242 sq ft
Today
£2,751,170
streetscan.co.uk estimate
3 Nov 2017
£2,425,000
10 Dec 2010
£2,500,000
View +1 more
More details

33 Kentish Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6NG

🏠 Detached
🛏️ bed
📐 2196 sq ft
Today
£994,696
streetscan.co.uk estimate
12 Jun 2015
£725,000
15 Sep 2010
£645,000
More details

35 Kentish Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6NG

🏠 Detached
🛏️ 11bed
📐 3925 sq ft
Today
£2,323,549
streetscan.co.uk estimate
29 Sep 2015
£1,775,000
More details

39 Kentish Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6NG

🏠 Detached
🛏️ bed
📐 2294 sq ft
Today
£1,903,529
streetscan.co.uk estimate
20 Nov 2015
£1,487,500
6 Jul 2010
£1,220,000
View +1 more
More details

43 Kentish Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6NG

🏠 Other
🛏️ bed
📐 7029 sq ft
Today
£1,228,316
streetscan.co.uk estimate
23 Jun 2021
£1,250,000
More details

45 Kentish Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6NG

🏠 Semi-detached
🛏️ 8bed
📐 4887 sq ft
Today
£2,524,272
streetscan.co.uk estimate
30 Nov 2009
£1,300,000
More details

5 Kentish Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6NG

🏠 Detached
🛏️ 8bed
📐 2411 sq ft
Today
£2,669,725
streetscan.co.uk estimate
21 Dec 2007
£1,500,000
27 Feb 2002
£623,000
More details

51 Kentish Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6NG

🏠 Detached
🛏️ 12bed
📐 5952 sq ft
Today
£3,807,851
streetscan.co.uk estimate
17 Sep 1998
£950,000
More details

53 Kentish Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6NG

🏠 Detached
🛏️ 9bed
📐 3692 sq ft
Today
£3,032,465
streetscan.co.uk estimate
21 Feb 2007
£1,560,000
More details

7 Kentish Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 6NG

🏠 Detached
🛏️ 9bed
📐 2207 sq ft
Today
£1,473,131
streetscan.co.uk estimate
16 Apr 2018
£1,300,000
26 Nov 2007
£950,000
View +2 more
More details

Area Insights

Data Sources

Properties at AL9 6NG appear twenty-six times in the Land Registry records, with the latest transaction recorded on 24 Apr 2025. It also has twelve Energy Performance Certificates (EPC) entries, the earliest dating back to 14 Jan 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.