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
30, St Nons Avenue, Carmarthen, SA31 3DL	11 Aug 2025	£75,362	91 m² 979 sqft	£828 £76	Semi-D (3 bed)
32, St Nons Avenue, Carmarthen, SA31 3DL	20 Mar 2025	£250,000	97 m² 1044 sqft	£2,577 £239	Semi-D (3 bed)
42, St Nons Avenue, Carmarthen, SA31 3DL	24 May 2022	£228,500	96 m² 1033 sqft	£2,380 £221	Semi-D (3 bed)
31, St Nons Avenue, Carmarthen, SA31 3DL	11 May 2022	£210,000	96 m² 1033 sqft	£2,187 £203	Semi-D (3 bed)
43, St Nons Avenue, Carmarthen, SA31 3DL -	27 Apr 2018	£143,000	96 m² 1033 sqft	£1,489 £138	Semi-D (3 bed)
41, St Nons Avenue, Carmarthen, SA31 3DL	18 Jun 2013	£110,000			Semi-D (3 bed)
37, St Nons Avenue, Carmarthen, SA31 3DL -	03 Feb 2012	£134,000	90 m² 968 sqft	£1,488 £138	Terrace (3 bed)
34, St Nons Avenue, Carmarthen, SA31 3DL -	07 Jul 2011	£137,000	87 m² 936 sqft	£1,574 £146	Terrace (3 bed)
44, St Nons Avenue, Carmarthen, SA31 3DL	01 Apr 2010	£185,000	124 m² 1334 sqft	£1,491 £138	Detached (4 bed)
45, St Nons Avenue, Carmarthen, SA31 3DL	17 Aug 2007	£220,000			Semi-D (4 bed)
29, St Nons Avenue, Carmarthen, SA31 3DL	14 Feb 2005	£187,500	108 m² 1162 sqft	£1,736 £161	Semi-D (3 bed)
40, St Nons Avenue, Carmarthen, SA31 3DL	22 Oct 2004	£136,000			Semi-D (3 bed)
35, St Nons Avenue, Carmarthen, SA31 3DL	12 Jul 2002	£69,950			Terrace (3 bed)
30, St Nons Avenue	£75,362 Aug-2025	91 979	828 76
32, St Nons Avenue	£250,000 Mar-2025	97 1044	2,577 239
42, St Nons Avenue	£228,500 May-2022	96 1033	2,380 221
31, St Nons Avenue	£210,000 May-2022	96 1033	2,187 203
43, St Nons Avenue -	£143,000 Apr-2018	96 1033	1,489 138
41, St Nons Avenue	£110,000 Jun-2013
37, St Nons Avenue -	£134,000 Feb-2012	90 968	1,488 138
34, St Nons Avenue -	£137,000 Jul-2011	87 936	1,574 146
44, St Nons Avenue	£185,000 Apr-2010	124 1334	1,491 138
45, St Nons Avenue	£220,000 Aug-2007
29, St Nons Avenue	£187,500 Feb-2005	108 1162	1,736 161
40, St Nons Avenue	£136,000 Oct-2004
35, St Nons Avenue	£69,950 Jul-2002

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 house 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 roughly 33 homes on St Nons Avenue, we would have expected approximately 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 about 2 home sales per year .
The average size of all the properties on St Nons Avenue is 101 m2 (1,087 sqft).