Over the past 31 years, there have been 82 property sales recorded in the SO21 3BU postcode area. The highest sale price reached £399,950, while the most recent sale was for a semi-detached house sold in August 2025 for £399,950.

The estimated average property value in SO21 3BU currently stands at £355,309, which is approximately 41.9% 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 £5,241.

Property prices in SO21 3BU have risen by 3.9% over the past year , with a total increase of 19.4% over the past five years , and a long-term rise of 36.1% over the past decade .

The most common type of property sold in the area is terraced, making up around 55% of transactions , followed by semi-detached and detached.

Housing in SO21 3BU is predominantly owner-occupied, with an estimated 86% of homes being lived in by the owners.

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Property Sales

10 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Semi-detached
🛏️ 5bed
📐 813 sq ft
Today
£347,062
streetscan.co.uk estimate
30 Sep 2016
£285,000
6 Jan 2000
£80,000
More details

16 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Semi-detached
🛏️ 5bed
📐 741 sq ft
Today
£375,579
streetscan.co.uk estimate
6 Jan 2012
£230,000
12 Dec 2006
£206,000
More details

17 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Semi-detached
🛏️ 5bed
📐 657 sq ft
Today
£340,987
streetscan.co.uk estimate
23 May 2019
£295,000
22 Feb 2019
£317,500
View +1 more
More details

18 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Semi-detached
🛏️ 4bed
📐 689 sq ft
Today
£381,479
streetscan.co.uk estimate
30 Aug 2023
£375,000
29 Jan 2021
£312,500
View +3 more
More details

20 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Semi-detached
🛏️ 5bed
📐 840 sq ft
Today
£333,667
streetscan.co.uk estimate
27 Sep 2021
£307,000
24 Feb 2012
£204,500
View +2 more
More details

21 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

Today
£418,958
streetscan.co.uk estimate
22 Nov 1996
£74,500

23 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Terraced
🛏️ 5bed
📐 732 sq ft
Today
£310,625
streetscan.co.uk estimate
21 May 2009
£161,500
7 Apr 1995
£63,000
More details

25 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Terraced
🛏️ 3bed
📐 484 sq ft
Today
£244,258
streetscan.co.uk estimate
13 May 2022
£235,500
More details

26 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

Today
£404,812
streetscan.co.uk estimate
2 May 1997
£74,995

27 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Terraced
🛏️ 5bed
📐 700 sq ft
Today
£362,164
streetscan.co.uk estimate
28 Feb 2005
£180,000
3 Sep 2004
£171,500
View +2 more
More details

28 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Terraced
🛏️ 5bed
📐 732 sq ft
Today
£367,454
streetscan.co.uk estimate
14 Dec 2023
£360,500
24 Mar 2022
£350,000
View +4 more
More details

29 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Semi-detached
🛏️ 7bed
📐 1076 sq ft
Today
£402,208
streetscan.co.uk estimate
20 Apr 2018
£356,000
5 Dec 1996
£69,000
More details

3 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Semi-detached
🛏️ 6bed
📐 969 sq ft
Today
£364,000
streetscan.co.uk estimate
17 Jul 2018
£320,000
18 May 2009
£210,000
View +2 more
More details

30 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Terraced
🛏️ 4bed
📐 732 sq ft
Today
£331,611
streetscan.co.uk estimate
31 Aug 2021
£307,500
1 Aug 2019
£290,000
View +1 more
More details

31 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Terraced
🛏️ 5bed
📐 700 sq ft
Today
£319,682
streetscan.co.uk estimate
25 Nov 2022
£320,000
15 Dec 2006
£199,950
View +1 more
More details

32 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Terraced
🛏️ 5bed
📐 786 sq ft
Today
£330,516
streetscan.co.uk estimate
20 Apr 2018
£292,000
30 Oct 2009
£165,000
More details

33 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

Today
£392,443
streetscan.co.uk estimate
31 Jul 2007
£240,000
1 Jul 2004
£187,500
4 Jan 1999
£85,000

34 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Terraced
🛏️ 3bed
📐 484 sq ft
Today
£256,122
streetscan.co.uk estimate
10 Jan 2025
£250,000
More details

35 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Terraced
🛏️ 5bed
📐 732 sq ft
Today
£362,098
streetscan.co.uk estimate
17 Jul 2015
£286,000
27 Apr 2007
£202,500
View +1 more
More details

36 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

Today
£310,684
streetscan.co.uk estimate
31 Jul 2007
£190,000

37 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

Today
£374,627
streetscan.co.uk estimate
21 Nov 2003
£175,000
30 Mar 2000
£108,500

39 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Semi-detached
🛏️ 6bed
📐 911 sq ft
Today
£423,439
streetscan.co.uk estimate
6 May 1997
£79,950
More details

4 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Semi-detached
🛏️ 5bed
📐 732 sq ft
Today
£359,929
streetscan.co.uk estimate
7 Apr 2020
£317,500
30 Jun 2015
£275,000
View +1 more
More details

40 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Detached
🛏️ 5bed
📐 710 sq ft
Today
£408,726
streetscan.co.uk estimate
4 Aug 2025
£399,950
1 Feb 2006
£235,000
More details

5 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Terraced
🛏️ 3bed
📐 441 sq ft
Today
£281,201
streetscan.co.uk estimate
15 Sep 2023
£277,000
10 Dec 2018
£239,000
View +6 more
More details

6 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Terraced
🛏️ 4bed
📐 696 sq ft
Today
£291,171
streetscan.co.uk estimate
22 Nov 2013
£186,187
23 Mar 2012
£200,000
View +4 more
More details

7 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

Today
£330,035
streetscan.co.uk estimate
8 Sep 2006
£190,000
15 Apr 2005
£182,000

8 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

Today
£336,461
streetscan.co.uk estimate
12 Apr 2002
£125,000
19 Feb 1996
£59,995

9 Blackthorn Close, South Wonston, Winchester, Hampshire, SO21 3BU

🏠 Terraced
🛏️ 5bed
📐 721 sq ft
Today
£326,779
streetscan.co.uk estimate
22 Aug 2018
£290,000
7 Aug 2009
£185,000
View +1 more
More details

Area Insights

Data Sources

Properties at SO21 3BU appear eighty-two times in the Land Registry records, with the latest transaction recorded on 4 Aug 2025. It also has twenty-two Energy Performance Certificates (EPC) entries, the earliest dating back to 18 Jan 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.