Sort by Most recent sale Address Highest price Highest £ per sqm Largest area Smallest area	Last sold	Price paid	Floor area (m²) Floor area (sq ft)	£ per m² £ per sq ft	Type	Sold	m² sq ft	£/m² £/sq ft
40, Carmarthen Avenue, Portsmouth, PO6 2AQ -	27 Mar 2024	£910,000	269 m² 2895 sqft	£3,382 £314	Detached (4 bed)
26, Carmarthen Avenue, Portsmouth, PO6 2AQ -	27 Jun 2023	£575,000	138 m² 1485 sqft	£4,166 £387	Semi-D (3 bed)
15, Carmarthen Avenue, Portsmouth, PO6 2AG -	06 Dec 2022	£628,000	113 m² 1216 sqft	£5,557 £516	Semi-D (4 bed)
60, Carmarthen Avenue, Portsmouth, PO6 2AQ -	15 Jul 2022	£600,000	161 m² 1732 sqft	£3,726 £346	Semi-D (4 bed)
56, Carmarthen Avenue, Portsmouth, PO6 2AQ -	23 Dec 2021	£600,000	149 m² 1603 sqft	£4,026 £374	Semi-D (4 bed)
23, Carmarthen Avenue, Portsmouth, PO6 2AG	29 Sep 2021	£563,000	138 m² 1485 sqft	£4,079 £378	Semi-D (4 bed)
62, Carmarthen Avenue, Portsmouth, PO6 2AQ -	28 Feb 2020	£560,000	120 m² 1291 sqft	£4,666 £433	Semi-D (4 bed)
59, Carmarthen Avenue, Portsmouth, PO6 2AG -	28 Oct 2019	£550,000	172 m² 1851 sqft	£3,197 £297	Terrace (4 bed)
55, Carmarthen Avenue, Portsmouth, PO6 2AG -	13 Jun 2019	£770,000	264 m² 2841 sqft	£2,916 £270	Detached (4 bed)
42, Carmarthen Avenue, Portsmouth, PO6 2AQ -	21 Feb 2019	£690,000	162 m² 1743 sqft	£4,259 £395	Detached (4 bed)
68, Carmarthen Avenue, Portsmouth, PO6 2AQ -	11 Dec 2018	£551,000	147 m² 1582 sqft	£3,748 £348	Semi-D (4 bed)
77, Carmarthen Avenue, Portsmouth, PO6 2AG -	02 Nov 2018	£842,000	261 m² 2809 sqft	£3,226 £299	Detached (5 bed)
1a, Carmarthen Avenue, Portsmouth, PO6 2AG	02 Nov 2018	£465,000			Detached
9, Carmarthen Avenue, Portsmouth, PO6 2AG -	26 Oct 2018	£850,000	261 m² 2809 sqft	£3,256 £302	Detached (6 bed)
10, Carmarthen Avenue, Portsmouth, PO6 2AQ -	26 Oct 2018	£615,000	169 m² 1819 sqft	£3,639 £338	Detached (4 bed)
21, Carmarthen Avenue, Portsmouth, PO6 2AG -	16 Aug 2018	£490,000	147 m² 1582 sqft	£3,333 £309	Terrace (4 bed)
43, Carmarthen Avenue, Portsmouth, PO6 2AG -	22 Jun 2018	£655,000	173 m² 1862 sqft	£3,786 £351	Semi-D (4 bed)
14, Carmarthen Avenue, Portsmouth, PO6 2AQ -	26 Jan 2018	£645,000	226 m² 2432 sqft	£2,853 £265	Detached (4 bed)
45, Carmarthen Avenue, Portsmouth, PO6 2AG -	07 Sep 2017	£615,000	154 m² 1657 sqft	£3,993 £370	Semi-D (4 bed)
75, Carmarthen Avenue, Portsmouth, PO6 2AG -	31 Jul 2017	£460,000	118 m² 1270 sqft	£3,898 £362	Semi-D (4 bed)
35, Carmarthen Avenue, Portsmouth, PO6 2AG -	21 Nov 2016	£460,000	136 m² 1463 sqft	£3,382 £314	Semi-D (4 bed)
24, Carmarthen Avenue, Portsmouth, PO6 2AQ -	04 Nov 2016	£450,000	123 m² 1323 sqft	£3,658 £339	Semi-D (4 bed)
57, Carmarthen Avenue, Portsmouth, PO6 2AG -	25 Sep 2015	£455,000	182 m² 1959 sqft	£2,500 £232	Semi-D (5 bed)
22, Carmarthen Avenue, Portsmouth, PO6 2AQ -	23 Jul 2015	£550,000	187 m² 2012 sqft	£2,941 £273	Detached (4 bed)
13, Carmarthen Avenue, Portsmouth, PO6 2AG -	11 Jul 2014	£550,000	206 m² 2217 sqft	£2,669 £247	Detached (4 bed)
44, Carmarthen Avenue, Portsmouth, PO6 2AQ -	23 Aug 2013	£463,000	168 m² 1808 sqft	£2,755 £255	Detached (4 bed)
30, Carmarthen Avenue, Portsmouth, PO6 2AQ -	22 Dec 2011	£335,000	128 m² 1377 sqft	£2,617 £243	Semi-D (3 bed)
8, Carmarthen Avenue, Portsmouth, PO6 2AQ -	10 Jun 2011	£425,000	195 m² 2098 sqft	£2,179 £202	Detached (5 bed)
50, Carmarthen Avenue, Portsmouth, PO6 2AQ -	06 Nov 2009	£595,000	206 m² 2217 sqft	£2,888 £268	Detached (5 bed)
7, Carmarthen Avenue, Portsmouth, PO6 2AG	08 Dec 2006	£506,000			Detached (4 bed)
40, Carmarthen Avenue -	£910,000 Mar-2024	269 2895	3,382 314
26, Carmarthen Avenue -	£575,000 Jun-2023	138 1485	4,166 387
15, Carmarthen Avenue -	£628,000 Dec-2022	113 1216	5,557 516
60, Carmarthen Avenue -	£600,000 Jul-2022	161 1732	3,726 346
56, Carmarthen Avenue -	£600,000 Dec-2021	149 1603	4,026 374
23, Carmarthen Avenue	£563,000 Sep-2021	138 1485	4,079 378
62, Carmarthen Avenue -	£560,000 Feb-2020	120 1291	4,666 433
59, Carmarthen Avenue -	£550,000 Oct-2019	172 1851	3,197 297
55, Carmarthen Avenue -	£770,000 Jun-2019	264 2841	2,916 270
42, Carmarthen Avenue -	£690,000 Feb-2019	162 1743	4,259 395
68, Carmarthen Avenue -	£551,000 Dec-2018	147 1582	3,748 348
77, Carmarthen Avenue -	£842,000 Nov-2018	261 2809	3,226 299
1a, Carmarthen Avenue	£465,000 Nov-2018
9, Carmarthen Avenue -	£850,000 Oct-2018	261 2809	3,256 302
10, Carmarthen Avenue -	£615,000 Oct-2018	169 1819	3,639 338
21, Carmarthen Avenue -	£490,000 Aug-2018	147 1582	3,333 309
43, Carmarthen Avenue -	£655,000 Jun-2018	173 1862	3,786 351
14, Carmarthen Avenue -	£645,000 Jan-2018	226 2432	2,853 265
45, Carmarthen Avenue -	£615,000 Sep-2017	154 1657	3,993 370
75, Carmarthen Avenue -	£460,000 Jul-2017	118 1270	3,898 362
35, Carmarthen Avenue -	£460,000 Nov-2016	136 1463	3,382 314
24, Carmarthen Avenue -	£450,000 Nov-2016	123 1323	3,658 339
57, Carmarthen Avenue -	£455,000 Sep-2015	182 1959	2,500 232
22, Carmarthen Avenue -	£550,000 Jul-2015	187 2012	2,941 273
13, Carmarthen Avenue -	£550,000 Jul-2014	206 2217	2,669 247
44, Carmarthen Avenue -	£463,000 Aug-2013	168 1808	2,755 255
30, Carmarthen Avenue -	£335,000 Dec-2011	128 1377	2,617 243
8, Carmarthen Avenue -	£425,000 Jun-2011	195 2098	2,179 202
50, Carmarthen Avenue -	£595,000 Nov-2009	206 2217	2,888 268
7, Carmarthen Avenue	£506,000 Dec-2006

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 based on the Land Registry price paid of the 6 most recent sales.
The majority of homes in Cosham are now selling for between £2,940 and £3,710 per square metre (£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 approximately 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 about 1 home sales per year .
The average size of all the properties on Carmarthen Avenue is 178 m2 (1,915 sqft).