Our Data Sources
37, St. Nons Avenue, Carmarthen has a single entry in the Land Registry from February 2012 and a single entry in the EPC database dated April 2026.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 37, St. Nons Avenue, Carmarthen would be worth £240,229, with a potential rental value of £1,272 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £212,774, with a rental value of £1,126 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
37, St. Nons Avenue, Carmarthen occupies a 326 m2 plot as recorded by HM Land Registry.
Of the 19 other houses in this postcode, 15 have recorded plot sizes, and this one ranks as the 8th largest.
Energy Efficiency
37, St. Nons Avenue, Carmarthen has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 13 Apr 2026.
The property is connected to mains gas and has mostly double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
37, St. Nons Avenue, Carmarthen last changed hands on 3rd February 2012, selling for £134,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 83.7% since February 2012.
- Sold Feb 2012£134,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 132 sales of comparable properties within 580 metres of 37, St. Nons Avenue, Carmarthen across the last 2 years.
Most recently, 30, St. Nons Avenue, Carmarthen, SA31 3DL, a freehold house, sold at £75,362 on the 11th August 2025.
Read more about house prices in SA31.
- Sold Aug 2025£75,362 | 3 Bed House30, St. Nons Avenue, Carmarthen, SA31 3DL30, St. Nons Avenue, Carmarthen, SA31 3DL
- Sold May 2025£255,000 | 3 Bed House21, St. Nons Avenue, Carmarthen, SA31 3DJ21, St. Nons Avenue, Carmarthen, SA31 3DJ
- Sold Jul 2023£238,500 | 3 Bed House19, St. Nons Avenue, Carmarthen, SA31 3DJ19, St. Nons Avenue, Carmarthen, SA31 3DJ
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 37, St. Nons Avenue, Carmarthen as the 37th largest and the 44th most expensive of the 46 addresses on St. Nons Avenue, Carmarthen, SA31.
Against the SA31 postcode district average, it is £17k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Carmarthen|900 m away
- Ferryside|10.5 km away
- Kidwelly|13.7 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












