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
21, St Nons Avenue, Carmarthen, SA31 3DJ -	22 May 2025	£255,000	94 m² 1011 sqft	£2,712 £251	Semi-D (3 bed)
6, St Nons Avenue, Carmarthen, SA31 3DJ -	21 Jun 2024	£235,000	86 m² 925 sqft	£2,732 £253	Terrace (3 bed)
19, St Nons Avenue, Carmarthen, SA31 3DJ	26 Jul 2023	£238,500	85 m² 914 sqft	£2,805 £260	Semi-D (3 bed)
17, St Nons Avenue, Carmarthen, SA31 3DJ	11 May 2023	£253,000	97 m² 1044 sqft	£2,608 £242	Semi-D (3 bed)
18, St Nons Avenue, Carmarthen, SA31 3DJ -	09 Jun 2022	£231,000	87 m² 936 sqft	£2,655 £246	Semi-D (3 bed)
2, St Nons Avenue, Carmarthen, SA31 3DJ -	03 Mar 2022	£189,000	97 m² 1044 sqft	£1,948 £180	Semi-D (3 bed)
26, St Nons Avenue, Carmarthen, SA31 3DJ	10 May 2019	£210,000 B	100 m² 1076 sqft	£2,100 £195	Other
8, St Nons Avenue, Carmarthen, SA31 3DJ -	10 Sep 2018	£208,000	141 m² 1517 sqft	£1,475 £137	Semi-D (3 bed)
12, St Nons Avenue, Carmarthen, SA31 3DJ	12 Feb 2018	£210,000	147 m² 1582 sqft	£1,428 £132	Detached
1, St Nons Avenue, Carmarthen, SA31 3DJ	30 Nov 2016	£194,500	120 m² 1291 sqft	£1,620 £150	Detached (4 bed)
9, St Nons Avenue, Carmarthen, SA31 3DJ -	12 Feb 2013	£170,000	92 m² 990 sqft	£1,847 £171	Semi-D (4 bed)
16, St Nons Avenue, Carmarthen, SA31 3DJ	20 Aug 2010	£165,000	132 m² 1420 sqft	£1,250 £116	Semi-D (3 bed)
22, St Nons Avenue, Carmarthen, SA31 3DJ -	26 Jun 2009	£160,000	100 m² 1076 sqft	£1,600 £148	Semi-D (3 bed)
10, St Nons Avenue, Carmarthen, SA31 3DJ	30 Oct 2007	£230,000			Detached (4 bed)
11, St Nons Avenue, Carmarthen, SA31 3DJ	23 Dec 2004	£205,000			Detached (4 bed)
25, St Nons Avenue, Carmarthen, SA31 3DJ -	08 May 2003	£95,000			Semi-D (3 bed)
4, St Nons Avenue, Carmarthen, SA31 3DJ	17 Aug 2001	£71,000			Semi-D (3 bed)
23, St Nons Avenue, Carmarthen, SA31 3DJ	11 Jun 1999	£54,000	95 m² 1022 sqft	£568 £52	Terrace (3 bed)
14, St Nons Avenue, Carmarthen, SA31 3DJ	10 Oct 1997	£45,000	109 m² 1173 sqft	£412 £38	Terrace (3 bed)
3, St Nons Avenue, Carmarthen, SA31 3DJ	13 Dec 1996	£31,000			Terrace (3 bed)
15, St Nons Avenue, Carmarthen, SA31 3DJ	24 Aug 1995	£52,000	88 m² 947 sqft	£590 £54	Semi-D (3 bed)
21, St Nons Avenue -	£255,000 May-2025	94 1011	2,712 251
6, St Nons Avenue -	£235,000 Jun-2024	86 925	2,732 253
19, St Nons Avenue	£238,500 Jul-2023	85 914	2,805 260
17, St Nons Avenue	£253,000 May-2023	97 1044	2,608 242
18, St Nons Avenue -	£231,000 Jun-2022	87 936	2,655 246
2, St Nons Avenue -	£189,000 Mar-2022	97 1044	1,948 180
26, St Nons Avenue	£210,000 B May-2019	100 1076	2,100 195
8, St Nons Avenue -	£208,000 Sep-2018	141 1517	1,475 137
12, St Nons Avenue	£210,000 Feb-2018	147 1582	1,428 132
1, St Nons Avenue	£194,500 Nov-2016	120 1291	1,620 150
9, St Nons Avenue -	£170,000 Feb-2013	92 990	1,847 171
16, St Nons Avenue	£165,000 Aug-2010	132 1420	1,250 116
22, St Nons Avenue -	£160,000 Jun-2009	100 1076	1,600 148
10, St Nons Avenue	£230,000 Oct-2007
11, St Nons Avenue	£205,000 Dec-2004
25, St Nons Avenue -	£95,000 May-2003
4, St Nons Avenue	£71,000 Aug-2001
23, St Nons Avenue	£54,000 Jun-1999	95 1022	568 52
14, St Nons Avenue	£45,000 Oct-1997	109 1173	412 38
3, St Nons Avenue	£31,000 Dec-1996
15, St Nons Avenue	£52,000 Aug-1995	88 947	590 54

The data above for St Nons 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 St Nons Avenue, Carmarthen is £2,343 sqm (£217 per sq ft), this is calculated from sold property prices of the 10 most recent sales.
The majority of homes in Johnstown are now selling for between £1,850 and £2,780 per square metre (£171 and £258 per square foot) , find out more in this local analysis of SA31 3 (Johnstown) house prices.
There are about 33 homes on St Nons Avenue, we would have expected roughly 4 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 10 property sales in St Nons Avenue, averaging approximately 2 home sales per year .
The average size of all the properties on St Nons Avenue is 101 m2 (1,087 sqft).