Over the past 31 years, there have been 32 property sales recorded in the HP21 9BJ postcode area. The highest sale price reached £460,000, while the most recent sale was for a semi-detached house sold in March 2026 for £405,000.

The estimated average property value in HP21 9BJ currently stands at £425,254, which is approximately 26.6% 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 £5,218.

Property prices in HP21 9BJ have risen by 4% over the past year , with a total increase of 19.9% over the past five years , and a long-term rise of 49.9% over the past decade .

The most common type of property sold in the area is semi-detached, making up around 97% of transactions , followed by terraced.

Housing in HP21 9BJ is predominantly owner-occupied, with an estimated 92% of homes being lived in by the owners.

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Property Sales

26 Welbeck Avenue, Aylesbury, Aylesbury Vale, Buckinghamshire, HP21 9BJ

Today
£391,728
streetscan.co.uk estimate
11 May 1995
£67,500

28 Welbeck Avenue, Aylesbury, Buckinghamshire, HP21 9BJ

🏠 Semi-detached
🛏️ 4bed
📐 958 sq ft
Today
£405,000
streetscan.co.uk estimate
26 Mar 2026
£405,000
15 Dec 1999
£119,000
More details

30 Welbeck Avenue, Aylesbury, Aylesbury Vale, Buckinghamshire, HP21 9BJ

🏠 Semi-detached
🛏️ 6bed
📐 1012 sq ft
Today
£423,016
streetscan.co.uk estimate
26 Oct 2017
£362,000
27 Jul 2001
£145,000
More details

32 Welbeck Avenue, Aylesbury, Aylesbury Vale, Buckinghamshire, HP21 9BJ

Today
£392,118
streetscan.co.uk estimate
17 Jul 1998
£93,000

34 Welbeck Avenue, Aylesbury, Aylesbury Vale, Buckinghamshire, HP21 9BJ

🏠 Semi-detached
🛏️ 4bed
📐 850 sq ft
Today
£394,463
streetscan.co.uk estimate
24 Nov 2016
£320,000
3 Oct 2006
£215,000
More details

36 Welbeck Avenue, Aylesbury, Buckinghamshire, HP21 9BJ

🏠 Semi-detached
🛏️ 5bed
📐 1399 sq ft
Today
£530,927
streetscan.co.uk estimate
10 Feb 2021
£460,000
17 Feb 2017
£422,500
View +1 more
More details

37 Welbeck Avenue, Aylesbury, Aylesbury Vale, Buckinghamshire, HP21 9BJ

🏠 Semi-detached
🛏️ 3bed
📐 635 sq ft
Today
£427,870
streetscan.co.uk estimate
14 Jan 2005
£210,000
More details

38 Welbeck Avenue, Aylesbury, Buckinghamshire, HP21 9BJ

🏠 Semi-detached
🛏️ 5bed
📐 850 sq ft
Today
£344,714
streetscan.co.uk estimate
11 Jun 2021
£302,000
More details

39 Welbeck Avenue, Aylesbury, Aylesbury Vale, Buckinghamshire, HP21 9BJ

🏠 Semi-detached
🛏️ 3bed
📐 635 sq ft
Today
£388,022
streetscan.co.uk estimate
19 Oct 2012
£225,000
More details

40 Welbeck Avenue, Aylesbury, Aylesbury Vale, Buckinghamshire, HP21 9BJ

🏠 Semi-detached
🛏️ 4bed
📐 799 sq ft
Today
£412,450
streetscan.co.uk estimate
4 Dec 2009
£220,000
19 May 2000
£129,000
More details

41 Welbeck Avenue, Aylesbury, Aylesbury Vale, Buckinghamshire, HP21 9BJ

🏠 Semi-detached
🛏️ 3bed
📐 614 sq ft
Today
£397,308
streetscan.co.uk estimate
20 Jan 2017
£325,000
More details

42 Welbeck Avenue, Aylesbury, Buckinghamshire, HP21 9BJ

🏠 Semi-detached
🛏️ 4bed
📐 947 sq ft
Today
£390,421
streetscan.co.uk estimate
29 May 2024
£368,500
28 Mar 2024
£321,000
More details

46 Welbeck Avenue, Aylesbury, Aylesbury Vale, Buckinghamshire, HP21 9BJ

Today
£460,355
streetscan.co.uk estimate
12 Jun 1997
£93,950

47 Welbeck Avenue, Aylesbury, Buckinghamshire, HP21 9BJ

🏠 Semi-detached
🛏️ 5bed
📐 969 sq ft
Today
£454,843
streetscan.co.uk estimate
31 Oct 2024
£450,000
27 Oct 2017
£365,000
View +2 more
More details

48 Welbeck Avenue, Aylesbury, Aylesbury Vale, Buckinghamshire, HP21 9BJ

Today
£476,037
streetscan.co.uk estimate
8 Sep 1997
£100,000

55 Welbeck Avenue, Aylesbury, Buckinghamshire, HP21 9BJ

🏠 Semi-detached
🛏️ 4bed
📐 861 sq ft
Today
£438,703
streetscan.co.uk estimate
11 Sep 2020
£375,000
7 Jul 2016
£340,000
View +1 more
More details

59 Welbeck Avenue, Aylesbury, Aylesbury Vale, Buckinghamshire, HP21 9BJ

🏠 Semi-detached
🛏️ 5bed
📐 947 sq ft
Today
£477,989
streetscan.co.uk estimate
2 Oct 2003
£211,000
More details

61 Welbeck Avenue, Aylesbury, Aylesbury Vale, Buckinghamshire, HP21 9BJ

🏠 Semi-detached
🛏️ 6bed
📐 1216 sq ft
Today
£454,091
streetscan.co.uk estimate
7 Oct 2019
£381,999
17 Aug 2001
£137,950
More details

63 Welbeck Avenue, Aylesbury, Aylesbury Vale, Buckinghamshire, HP21 9BJ

Today
£452,855
streetscan.co.uk estimate
3 Oct 2002
£185,000

Area Insights

Data Sources

Properties at HP21 9BJ appear thirty-two times in the Land Registry records, with the latest transaction recorded on 26 Mar 2026. It also has fourteen Energy Performance Certificates (EPC) entries, the earliest dating back to 24 Apr 2019. 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.