Our Data Sources
Cwmbyr, Carmarthen has a single entry in the Land Registry from October 2018 and a single entry in the EPC database dated April 2018.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low 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 Cwmbyr, Carmarthen, we estimate a market value of £690,104 and a rental value of £2,338 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £611,235 and £2,071 per month respectively.
Plot Size
HM Land Registry records the plot of land for Cwmbyr, Carmarthen as measuring 84,290 m2.
That makes it the 2nd largest plot in the postcode, where all 8 other houses have recorded plot data.
Energy Efficiency
Cwmbyr, Carmarthen has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 19 Apr 2018.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, oil.
Sold Prices
The most recent sale of Cwmbyr, Carmarthen completed on 30th October 2018 at £472,500 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have risen by 18.0% over the period since October 2018.
- Sold Oct 2018£472,500
Similar Properties Sold Nearby
Over the past 2 years 9 properties similar to Cwmbyr, Carmarthen have sold within a radius of 7.3 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 25th April 2025, was Waunlas Onnen Farm, Abergorlech Road, Carmarthen, SA32 7JY, a freehold house which sold for £581,000.
Read more about house prices in SA32.
- Sold Apr 2025£581,000 | 4 Bed HouseWaunlas Onnen Farm, Abergorlech Road, Carmarthen, SA32 7JYWaunlas Onnen Farm, Abergorlech Road, Carmarthen, SA32 7JY
- Sold Dec 2023£675,000 | 4 Bed HouseFfynnon Iago, Rhydargaeau Road, Carmarthen, SA32 7JLFfynnon Iago, Rhydargaeau Road, Carmarthen, SA32 7JL
- Sold Apr 2008£315,000 | 4 Bed HouseTir Capel, Carmarthen, SA32 7EXTir Capel, Carmarthen, SA32 7EX
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 198 addresses on Nantgaredig, Carmarthen, SA32, Cwmbyr, Carmarthen comes out as the 58th largest and the 17th most expensive in our analysis of the public data.
It is also £400k more expensive than the average property across the SA32 district.
More reading links
Schools Nearby
Public Transport Nearby
- Carmarthen|10.5 km away
- Ffairfach|12.2 km away
- Llandeilo|12.4 km away
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












