Over the past 30 years, there have been 32 property sales recorded in the PO3 6LG postcode area. The highest sale price reached £367,000, while the most recent sale was for a semi-detached house sold in February 2026 for £365,250.

The estimated average property value in PO3 6LG currently stands at £338,157, which is approximately 14.5% 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 £3,516.

Property prices in PO3 6LG have risen by 4.6% over the past year , with a total increase of 19.9% over the past five years , and a long-term rise of 55.9% 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 PO3 6LG is predominantly owner-occupied, with an estimated 100% of homes being lived in by the owners.

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Property Sales

1 Seaton Avenue, Copnor, Portsmouth, PO3 6LG

🏠 Semi-detached
🛏️ 5bed
📐 926 sq ft
Today
£296,973
streetscan.co.uk estimate
21 Oct 2022
£300,000
More details

14 Seaton Avenue, Copnor, Portsmouth, PO3 6LG

🏠 Semi-detached
🛏️ 6bed
📐 1130 sq ft
Today
£361,636
streetscan.co.uk estimate
23 Jan 2026
£355,000
16 Sep 2022
£367,000
View +2 more
More details

15 Seaton Avenue, Copnor, Portsmouth, PO3 6LG

🏠 Semi-detached
🛏️ 6bed
📐 1302 sq ft
Today
£383,010
streetscan.co.uk estimate
13 Jul 2018
£310,000
10 May 2000
£109,995
More details

2 Seaton Avenue, Copnor, Portsmouth, PO3 6LG

🏠 Semi-detached
🛏️ 5bed
📐 1195 sq ft
Today
£310,051
streetscan.co.uk estimate
7 Mar 2018
£250,000
More details

20 Seaton Avenue, Copnor, Portsmouth, PO3 6LG

🏠 Semi-detached
🛏️ 5bed
📐 893 sq ft
Today
£316,887
streetscan.co.uk estimate
28 Feb 2014
£188,000
More details

21 Seaton Avenue, Portsmouth, PO3 6LG

Today
£364,371
streetscan.co.uk estimate
28 Jul 1995
£65,000

25 Seaton Avenue, Portsmouth, PO3 6LG

🏠 Semi-detached
🛏️ 6bed
📐 1044 sq ft
Today
£348,031
streetscan.co.uk estimate
3 Dec 2003
£171,000
16 Nov 2001
£117,000
More details

26 Seaton Avenue, Copnor, Portsmouth, PO3 6LG

Today
£350,775
streetscan.co.uk estimate
19 Feb 2021
£300,000
31 Jan 2006
£182,500
18 Dec 2002
£165,000
29 Feb 1996
£59,950

27 Seaton Avenue, Copnor, Portsmouth, PO3 6LG

🏠 Semi-detached
🛏️ 5bed
📐 936 sq ft
Today
£300,651
streetscan.co.uk estimate
11 Nov 2016
£222,500
More details

28 Seaton Avenue, Copnor, Portsmouth, PO3 6LG

Today
£333,985
streetscan.co.uk estimate
19 May 2017
£255,000
12 Dec 2003
£178,000

29 Seaton Avenue, Portsmouth, PO3 6LG

Today
£288,232
streetscan.co.uk estimate
13 Feb 2004
£142,500

3 Seaton Avenue, Portsmouth, PO3 6LG

🏠 Terraced
🛏️ 5bed
📐 1044 sq ft
Today
£342,723
streetscan.co.uk estimate
16 Oct 2006
£193,000
More details

32 Seaton Avenue, Portsmouth, PO3 6LG

Today
£346,569
streetscan.co.uk estimate
16 Mar 2005
£183,000

34 Seaton Avenue, Portsmouth, PO3 6LG

Today
£337,977
streetscan.co.uk estimate
14 Jul 2000
£97,500

35 Seaton Avenue, Portsmouth, PO3 6LG

🏠 Semi-detached
🛏️ 6bed
📐 915 sq ft
Today
£336,985
streetscan.co.uk estimate
15 Oct 2004
£180,000
More details

36 Seaton Avenue, Portsmouth, PO3 6LG

Today
£326,223
streetscan.co.uk estimate
8 Nov 2002
£140,000
15 Dec 1995
£63,000

40 Seaton Avenue, Copnor, Portsmouth, PO3 6LG

🏠 Semi-detached
🛏️ 5bed
📐 1238 sq ft
Today
£225,065
streetscan.co.uk estimate
25 Jul 2025
£223,000
More details

48 Seaton Avenue, Copnor, Portsmouth, PO3 6LG

🏠 Semi-detached
🛏️ 5bed
📐 1023 sq ft
Today
£367,875
streetscan.co.uk estimate
19 Feb 2026
£365,250
29 Aug 2024
£355,000
View +1 more
More details

6 Seaton Avenue, Portsmouth, PO3 6LG

Today
£348,648
streetscan.co.uk estimate
1 Sep 2000
£102,000

9 Seaton Avenue, Copnor, Portsmouth, PO3 6LG

🏠 Semi-detached
🛏️ 4bed
📐 926 sq ft
Today
£272,772
streetscan.co.uk estimate
16 Aug 2019
£223,000
More details

Area Insights

Data Sources

Properties at PO3 6LG appear thirty-two times in the Land Registry records, with the latest transaction recorded on 19 Feb 2026. It also has fourteen Energy Performance Certificates (EPC) entries, the earliest dating back to 30 Sep 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.