Sarnia, Carmarthen
Sarnia, Carmarthen
Description & Estimates







According to the public record, Sarnia, Carmarthen is a modern freehold house with 1,786 ft2 of internal area and sits on a 809 m2 plot.
Houses of this size in this area normally have 4 bedrooms with a garden.
Based on available information, and assuming reasonable condition, the estimated sale value for Sarnia, Carmarthen is £451,430 and the estimated rental value is £1,492 per month.
College Road, Carmarthen, SA31 is located within the SA31 postal district.
Our Data Sources
Sarnia, Carmarthen has 2 entries in the Land Registry , most recently in September 2024 and a single entry in the EPC database dated March 2021.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium 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 Sarnia, Carmarthen is in very good condition we estimate a sale value of £474,001 and a rental value of £1,567 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £419,830 and a rental value of £1,388 per month.
Recent Market Change
Over the past 12 months, the estimated sale value of Sarnia, Carmarthen has risen by £3,088 (0.7%), while its estimated rental value has moved up by £58 per month (3.9%). Based on current estimates, the property offers a gross rental yield of 4.0%.
Plot Size
According to data from HM Land Registry, Sarnia, Carmarthen sits on a plot of 809 m2.
We have plot size data on 3 out of 4 other houses in the postcode and Sarnia, Carmarthen sits on the 2nd largest plot.
Energy Efficiency
Sarnia, Carmarthen has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 Mar 2021.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, Sarnia, Carmarthen was last sold on 6th September 2024 for £437,500 and was recorded as a freehold house.
The property has had 2 sales since 1995.
Since September 2024, the market for similar properties has risen by 9.6%.
- Sold Sep 2024£437,500
- Sold Jun 2021£396,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to Sarnia, Carmarthen within a radius of 540 metres over the last 2 years.
The most recent example is 18, Trem Y Coleg, Carmarthen, SA31 3ED, a freehold house which sold for £380,000 on the 20th June 2025.
Read more about house prices in SA31.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
College Road, Carmarthen, SA31 has a total of 83 addresses. According to our analysis of all the public data, Sarnia, Carmarthen is the 6th largest and the most expensive property on the street.
When compared to the postcode district it is £204k more expensive than the average property in SA31.
More reading links
Schools Nearby
Public Transport Nearby
The closest station to Sarnia, Carmarthen is Carmarthen station, which is 1.0 kilometres away.
- 1.0kmCarmarthen
- 10.7kmFerryside
- 13.9kmKidwelly
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be very low.

