Sort by Most recent sale Address Highest price Highest £ per sqm Largest area Smallest area  Export table	Last sold	Price paid	Floor area	£ per square foot	Type	Paid	sqft	£/ft
40, Carmarthen Avenue, Portsmouth, PO6 2AQ -	27 Mar 2024	£910,000	2895 sqft	£314	Detached (4 bed)
26, Carmarthen Avenue, Portsmouth, PO6 2AQ -	27 Jun 2023	£575,000	1485 sqft	£387	Semi-D (3 bed)
60, Carmarthen Avenue, Portsmouth, PO6 2AQ -	15 Jul 2022	£600,000	1732 sqft	£346	Semi-D (4 bed)
56, Carmarthen Avenue, Portsmouth, PO6 2AQ -	23 Dec 2021	£600,000	1603 sqft	£374	Semi-D (4 bed)
62, Carmarthen Avenue, Portsmouth, PO6 2AQ -	28 Feb 2020	£560,000	1291 sqft	£433	Semi-D (4 bed)
42, Carmarthen Avenue, Portsmouth, PO6 2AQ -	21 Feb 2019	£690,000	1743 sqft	£395	Detached (4 bed)
68, Carmarthen Avenue, Portsmouth, PO6 2AQ -	11 Dec 2018	£551,000	1582 sqft	£348	Semi-D (4 bed)
10, Carmarthen Avenue, Portsmouth, PO6 2AQ -	26 Oct 2018	£615,000	1819 sqft	£338	Detached (4 bed)
14, Carmarthen Avenue, Portsmouth, PO6 2AQ -	26 Jan 2018	£645,000	2432 sqft	£265	Detached (4 bed)
24, Carmarthen Avenue, Portsmouth, PO6 2AQ -	04 Nov 2016	£450,000	1323 sqft	£339	Semi-D (4 bed)
22, Carmarthen Avenue, Portsmouth, PO6 2AQ -	23 Jul 2015	£550,000	2012 sqft	£273	Detached (4 bed)
44, Carmarthen Avenue, Portsmouth, PO6 2AQ -	23 Aug 2013	£463,000	1808 sqft	£255	Detached (4 bed)
30, Carmarthen Avenue, Portsmouth, PO6 2AQ -	22 Dec 2011	£335,000	1377 sqft	£243	Semi-D (3 bed)
8, Carmarthen Avenue, Portsmouth, PO6 2AQ -	10 Jun 2011	£425,000	2098 sqft	£202	Detached (5 bed)
50, Carmarthen Avenue, Portsmouth, PO6 2AQ -	06 Nov 2009	£595,000	2217 sqft	£268	Detached (5 bed)
12, Carmarthen Avenue, Portsmouth, PO6 2AQ -	10 Mar 2006	£379,950	1657 sqft	£229	Detached (4 bed)
32, Carmarthen Avenue, Portsmouth, PO6 2AQ -	13 Jan 2006	£355,000	1550 sqft	£229	Semi-D (4 bed)
28, Carmarthen Avenue, Portsmouth, PO6 2AQ	18 Sep 2002	£247,500			Terrace (3 bed)
18, Carmarthen Avenue, Portsmouth, PO6 2AQ	10 Sep 2002	£340,000			Detached (4 bed)
6, Carmarthen Avenue, Portsmouth, PO6 2AQ	07 Oct 1996	£162,500	2012 sqft	£80	Detached (4 bed)
40, Carmarthen Avenue -	£910,000 Mar-2024	269	3,382
26, Carmarthen Avenue -	£575,000 Jun-2023	138	4,166
60, Carmarthen Avenue -	£600,000 Jul-2022	161	3,726
56, Carmarthen Avenue -	£600,000 Dec-2021	149	4,026
62, Carmarthen Avenue -	£560,000 Feb-2020	120	4,666
42, Carmarthen Avenue -	£690,000 Feb-2019	162	4,259
68, Carmarthen Avenue -	£551,000 Dec-2018	147	3,748
10, Carmarthen Avenue -	£615,000 Oct-2018	169	3,639
14, Carmarthen Avenue -	£645,000 Jan-2018	226	2,853
24, Carmarthen Avenue -	£450,000 Nov-2016	123	3,658
22, Carmarthen Avenue -	£550,000 Jul-2015	187	2,941
44, Carmarthen Avenue -	£463,000 Aug-2013	168	2,755
30, Carmarthen Avenue -	£335,000 Dec-2011	128	2,617
8, Carmarthen Avenue -	£425,000 Jun-2011	195	2,179
50, Carmarthen Avenue -	£595,000 Nov-2009	206	2,888
12, Carmarthen Avenue -	£379,950 Mar-2006	154	2,467
32, Carmarthen Avenue -	£355,000 Jan-2006	144	2,465
28, Carmarthen Avenue	£247,500 Sep-2002
18, Carmarthen Avenue	£340,000 Sep-2002
6, Carmarthen Avenue	£162,500 Oct-1996	187	868

The data above for Carmarthen Avenue can be visualised as a scatter graph, this will show price trends over time.

The average price per square metre (per square foot) in Carmarthen Avenue, Portsmouth is £4,156 sqm (£386 per sq ft), this is from the sold price of the 6 most recent sales.
The majority of homes in Cosham are now selling for between £273 and £344 per square foot , find out more in this local analysis of PO6 2 (Cosham) house prices.
There are roughly 41 homes on Carmarthen Avenue, we would have expected about 5 sales each year given that in the UK people sell their homes on average once every 7 years.
In the last 4 years there have been 6 property sales in Carmarthen Avenue, averaging roughly 1 home sales per year .
The average size of all the properties on Carmarthen Avenue is 178 m2 (1,915 sqft).

*Land Registry 'Category B: Additional Price Paid entry'.