Over the past 29 years, there have been 49 property sales recorded in the AL9 7AY postcode area. The highest sale price reached £1,900,000, while the most recent sale was for a detached flat sold in April 2025 for £377,500.

The estimated average property value in AL9 7AY currently stands at £946,479, which is approximately 127.5% 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 £6,376.

Property prices in AL9 7AY have risen by 2.1% over the past year , with a total increase of 7.7% over the past five years, and a long-term rise of 38% over the past decade.

The most common type of property sold in the area is detached, making up around 49% of transactions , followed by flat and semi-detached.

Housing in AL9 7AY is predominantly owner-occupied, with an estimated 65% of homes being lived in by the owners.

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Property Sales

16 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Detached
🛏️ bed
📐 3132 sq ft
Today
£695,762
streetscan.co.uk estimate
28 Jan 2022
£701,500
More details

18 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Detached
🛏️ 6bed
📐 1938 sq ft
Today
£1,082,150
streetscan.co.uk estimate
27 Oct 2023
£1,100,000
More details

20 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Detached
🛏️ 6bed
📐 1216 sq ft
Today
£899,071
streetscan.co.uk estimate
12 Jul 2023
£938,000
More details

22 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

Today
£962,595
streetscan.co.uk estimate
1 Jun 2007
£520,000

24 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Semi-detached
🛏️ 4bed
📐 1216 sq ft
Today
£619,919
streetscan.co.uk estimate
5 Oct 2023
£610,000
12 Apr 2007
£455,000
View +1 more
More details

28 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Semi-detached
🛏️ 5bed
📐 1410 sq ft
Today
£694,233
streetscan.co.uk estimate
5 Feb 2016
£529,700
More details

32 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Semi-detached
🛏️ 6bed
📐 1130 sq ft
Today
£813,472
streetscan.co.uk estimate
22 Mar 2024
£785,000
More details

34 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

Today
£854,545
streetscan.co.uk estimate
22 Mar 1996
£141,000

38 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Detached
🛏️ 6bed
📐 1076 sq ft
Today
£709,864
streetscan.co.uk estimate
25 Oct 2019
£644,000
25 May 2001
£220,000
More details

40 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

Today
£646,622
streetscan.co.uk estimate
26 Sep 2008
£334,950

44 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

Today
£855,400
streetscan.co.uk estimate
30 Jun 2008
£470,000

48 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Detached
🛏️ 10bed
📐 2120 sq ft
Today
£1,626,524
streetscan.co.uk estimate
24 Aug 2000
£550,000
More details

5 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Detached
🛏️ 9bed
📐 3305 sq ft
Today
£2,354,288
streetscan.co.uk estimate
26 Oct 2012
£1,415,000
2 Feb 2007
£770,000
More details

50 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Semi-detached
🛏️ 6bed
📐 1195 sq ft
Today
£734,341
streetscan.co.uk estimate
16 Jul 2004
£340,000
More details

52 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Semi-detached
🛏️ 4bed
📐 1399 sq ft
Today
£852,575
streetscan.co.uk estimate
12 Sep 2012
£480,000
18 Mar 2002
£244,000
More details

56 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

Today
£819,218
streetscan.co.uk estimate
20 Sep 2022
£853,000

6 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

Today
£910,946
streetscan.co.uk estimate
31 Mar 1999
£245,000

66 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

Today
£323,960
streetscan.co.uk estimate
13 Sep 2007
£178,000

68 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

Today
£756,029
streetscan.co.uk estimate
23 Jan 1996
£132,500

70 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Detached
🛏️ 8bed
📐 2820 sq ft
Today
£1,610,913
streetscan.co.uk estimate
26 Oct 2016
£1,400,000
23 Jan 2014
£667,000
More details

72 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Detached
🛏️ 7bed
📐 2013 sq ft
Today
£1,682,504
streetscan.co.uk estimate
24 Oct 2014
£1,150,000
19 Mar 2007
£825,000
More details

74 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Detached
🛏️ 7bed
📐 1364 sq ft
Today
£1,537,358
streetscan.co.uk estimate
11 Feb 2010
£840,000
More details

76 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

Today
£1,932,322
streetscan.co.uk estimate
8 May 2002
£755,000
20 Dec 2000
£325,000

78 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Detached
🛏️ 5bed
📐 2906 sq ft
Today
£1,513,654
streetscan.co.uk estimate
14 Jan 2016
£1,200,000
More details

84 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

Today
£2,833,708
streetscan.co.uk estimate
28 Jun 1996
£520,000

86 Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Other
🛏️ 15bed
📐 4155 sq ft
Today
£1,884,346
streetscan.co.uk estimate
27 Oct 2021
£1,900,000
More details

Pet Farm Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Detached
🛏️ 6bed
📐 1152 sq ft
Today
£1,353,488
streetscan.co.uk estimate
20 Jul 2018
£1,200,000
More details

Swan Lodge Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Other
🛏️ 10bed
📐 1959 sq ft
Today
£170,108
streetscan.co.uk estimate
13 Apr 2022
£180,000
16 Mar 2018
£1,016,000
View +1 more
More details

Flat 1, Swan Lodge Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Flat
🛏️ bed
📐 678 sq ft
Today
£384,202
streetscan.co.uk estimate
25 Oct 2024
£385,000
30 Nov 2021
£380,000
More details

Flat 2, Swan Lodge Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Flat
🛏️ bed
📐 678 sq ft
Today
£349,637
streetscan.co.uk estimate
30 Apr 2021
£350,000
More details

Flat 3, Swan Lodge Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Flat
🛏️ bed
📐 689 sq ft
Today
£363,115
streetscan.co.uk estimate
21 May 2021
£365,000
More details

Flat 4, Swan Lodge Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Flat
🛏️ bed
📐 667 sq ft
Today
£347,116
streetscan.co.uk estimate
29 Oct 2021
£350,000
More details

Flat 5, Swan Lodge Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Flat
🛏️ bed
📐 667 sq ft
Today
£383,069
streetscan.co.uk estimate
25 Apr 2025
£377,500
30 Jun 2021
£365,000
More details

Flat 6, Swan Lodge Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Flat
🛏️ bed
📐 689 sq ft
Today
£358,668
streetscan.co.uk estimate
24 Jun 2021
£365,000
More details

Flat 7, Swan Lodge Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Flat
🛏️ bed
📐 764 sq ft
Today
£334,102
streetscan.co.uk estimate
29 Jun 2021
£340,000
More details

Flat 8, Swan Lodge Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

🏠 Flat
🛏️ bed
📐 797 sq ft
Today
£334,102
streetscan.co.uk estimate
30 Jun 2021
£340,000
More details

Swan Mews, Swan Lodge Bell Lane, Brookmans Park, Hatfield, Welwyn Hatfield, Hertfordshire, AL9 7AY

Today
£571,858
streetscan.co.uk estimate
20 May 2021
£530,000

Area Insights

Data Sources

Properties at AL9 7AY appear fourty-nine times in the Land Registry records, with the latest transaction recorded on 25 Apr 2025. It also has twenty-six Energy Performance Certificates (EPC) entries, the earliest dating back to 14 Jun 2012. 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.