Our Data Sources
12, Glantawelan, Carmarthen has 51 entries in the Land Registry , most recently in December 2025 and a single entry in the EPC database dated May 2023.
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 12, Glantawelan, Carmarthen would be worth £264,924, with a potential rental value of £1,245 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £234,647, with a rental value of £1,102 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
12, Glantawelan, Carmarthen occupies a 366 m2 plot as recorded by HM Land Registry.
Of the 30 other houses in this postcode, 27 have recorded plot sizes, and this one ranks as the 17th largest.
Energy Efficiency
12, Glantawelan, Carmarthen has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 07 May 2023.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
12, Glantawelan, Carmarthen last changed hands on 18th December 2025, selling for £265,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 5 times since 1995.
The market for similar properties has dropped by 2.8% since December 2025.
- Sold Dec 2025£265,000
- Sold Jun 2023£243,000
- Sold Dec 2009£170,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 47 sales of comparable properties within 980 metres of 12, Glantawelan, Carmarthen across the last 2 years.
Most recently, 28, Parc Starling, Carmarthen, SA31 3HX, a freehold house, sold at £262,000 on the 31st March 2026.
Read more about house prices in SA31.
- Sold Mar 2026£262,000 | 3 Bed House28, Parc Starling, Carmarthen, SA31 3HX28, Parc Starling, Carmarthen, SA31 3HX
- Sold Feb 2020£182,000 | 3 Bed House8, Glantawelan, Carmarthen, SA31 3JA8, Glantawelan, Carmarthen, SA31 3JA
- Sold Feb 2018£159,000 | 3 Bed House10, Glantawelan, Carmarthen, SA31 3JA10, Glantawelan, Carmarthen, SA31 3JA
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 12, Glantawelan, Carmarthen as the 25th largest and the 25th most expensive of the 30 addresses on Glantawelan, Johnstown, Carmarthen, SA31.
Against the SA31 postcode district average, it is £6k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Carmarthen|1.7 km away
- Ferryside|9.6 km away
- Kidwelly|13.1 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.












