Our Data Sources
12, Plas Penwern, Carmarthen has 31 entries in the Land Registry , most recently in June 2025 and a single entry in the EPC database dated November 2024.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 12, Plas Penwern, Carmarthen, we estimate a market value of £238,309 and a rental value of £1,301 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £211,074 and £1,153 per month respectively.
Plot Size
HM Land Registry records the plot of land for 12, Plas Penwern, Carmarthen as measuring 291 m2.
That makes it the 7th largest plot in the postcode, where all 15 other houses have recorded plot data.
Energy Efficiency
12, Plas Penwern, Carmarthen has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Nov 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 12, Plas Penwern, Carmarthen completed on 16th June 2025 at £224,500 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have dropped by 4.0% over the period since June 2025.
- Sold Jun 2025£224,500
- Sold Apr 2013£165,000
- Sold Oct 2004£168,000
Similar Properties Sold Nearby
Over the past 2 years 142 properties similar to 12, Plas Penwern, Carmarthen have sold within a radius of 1.4 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 7th May 2026, was 36, Lon Y Plas, Carmarthen, SA31 3NJ, a freehold house which sold for £235,000.
Read more about house prices in SA31.
- Sold May 2026£235,000 | 3 Bed House36, Lon Y Plas, Carmarthen, SA31 3NJ36, Lon Y Plas, Carmarthen, SA31 3NJ
- Sold Aug 2025£232,000 | 3 Bed House13, Plas Y Ddol, Carmarthen, SA31 3PL13, Plas Y Ddol, Carmarthen, SA31 3PL
- Sold May 2025£211,500 | 3 Bed House14, Plas Penwern, Carmarthen, SA31 3PN14, Plas Penwern, Carmarthen, SA31 3PN
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 15 addresses on Plas Penwern, Johnstown, Carmarthen, SA31, 12, Plas Penwern, Carmarthen comes out as the 11th largest and the 11th most expensive in our analysis of the public data.
It is also £19k less expensive than the average property across the SA31 district.
More reading links
Schools Nearby
Public Transport Nearby
- Carmarthen|1.5 km away
- Ferryside|9.2 km away
- Kidwelly|12.4 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
