Our Data Sources
18, Thomas Avenue, Llanelli has no records in the the Land Registry and a single entry in the EPC database dated September 2025.
We combine this information with public data 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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 18, Thomas Avenue, Llanelli is in very good condition we estimate a sale value of £191,022 and a rental value of £870 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £169,191 and a rental value of £770 per month.
Plot Size
According to data from HM Land Registry, 18, Thomas Avenue, Llanelli sits on a plot of 271 m2.
We have plot size data on 6 out of 6 other houses in the postcode and 18, Thomas Avenue, Llanelli sits on the 5th largest plot.
Energy Efficiency
18, Thomas Avenue, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Sep 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 18, Thomas Avenue, Llanelli within a radius of 2.9 kilometres over the last 2 years.
The most recent example is 3, Dwynant, Llanelli, SA15 5RY, a freehold house which sold for £112,500 on the 18th December 2025.
Read more about house prices in SA15.
- Sold Dec 2025£112,500 | 3 Bed House3, Dwynant, Llanelli, SA15 5RY3, Dwynant, Llanelli, SA15 5RY
- Sold Sep 2024£167,000 | 2 Bed House17, Dwynant, Llanelli, SA15 5RY17, Dwynant, Llanelli, SA15 5RY
- Sold Dec 2019£125,000 | 3 Bed House6, Heol Y Pentre, Llanelli, SA15 5NU6, Heol Y Pentre, Llanelli, SA15 5NU
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Thomas Avenue, Ponthenry, Llanelli, SA15 has a total of 53 addresses. According to our analysis of all the public data, 18, Thomas Avenue, Llanelli is the 36th largest and the 4th most expensive property on the street.
When compared to the postcode district it is £9k less expensive than the average property in SA15.
More reading links
Schools Nearby
Public Transport Nearby
- 8.3kmKidwelly
- 9.1kmPembrey & Burry Port
- 10.2kmLlanelli
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be very low.












