Our Data Sources
31, Lon Y Plas, Carmarthen has no records in the Land Registry and a single entry in the EPC database dated November 2024.
We combine this information with public data 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 31, Lon Y Plas, Carmarthen would be worth £281,942, with a potential rental value of £1,352 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £249,720, with a rental value of £1,197 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
31, Lon Y Plas, Carmarthen occupies a 244 m2 plot as recorded by HM Land Registry.
All 37 other houses in this postcode have recorded plot sizes, and this one ranks as the 27th largest.
Energy Efficiency
31, Lon Y Plas, Carmarthen has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 29 Nov 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 158 sales of comparable properties within 1.4 kilometres of 31, Lon Y Plas, Carmarthen since 2012.
Most recently, 36, Lon Y Plas, Carmarthen, SA31 3NJ, a freehold house, sold at £235,000 on the 7th May 2026.
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 Nov 2025£240,000 | 3 Bed House13, Cwm Ystrad Park, Carmarthen, SA31 3NZ13, Cwm Ystrad Park, Carmarthen, SA31 3NZ
- Sold Aug 2025£232,000 | 3 Bed House13, Plas Y Ddol, Carmarthen, SA31 3PL13, Plas Y Ddol, Carmarthen, SA31 3PL
- Sold Jul 2025£267,500 | 3 Bed House8, Heol Drindod, Carmarthen, SA31 3NU8, Heol Drindod, Carmarthen, SA31 3NU
- 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
Explore Nearby Properties
The surrounding properties have an average estimated value of £261,496, ranging from £198,637 to £302,281.
- 29 Lon Y Plas
3 Bed House | 16 m | Est. Value: £267,204
- 25 Lon Y Plas
3 Bed House | 27 m | Est. Value: £267,035
- 21 Lon Y Plas
3 Bed House | 32 m | Est. Value: £251,716
- 37 Lon Y Plas
3 Bed House | 35 m | Est. Value: £293,006
- 19 Lon Y Plas
3 Bed House | 44 m | Est. Value: £285,671
Location Comparison
Our analysis of the public data ranks 31, Lon Y Plas, Carmarthen as the 18th largest and the 18th most expensive of the 37 addresses on Lon Y Plas, Johnstown, Carmarthen, SA31.
Against the SA31 postcode district average, it is £23k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Carmarthen|1.5 km away
- Ferryside|9.2 km away
- Kidwelly|12.5 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












