Our Data Sources
66, Lammas Street, Carmarthen has no recent1 records in the the Land Registry and a single entry in the EPC database dated May 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 66, Lammas Street, Carmarthen would be worth £116,233, with a potential rental value of £811 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £102,950, with a rental value of £718 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
66, Lammas Street, Carmarthen occupies a 43 m2 plot as recorded by HM Land Registry.
All 8 other houses in this postcode have recorded plot sizes, and this one ranks as the 8th largest.
Energy Efficiency
66, Lammas Street, Carmarthen has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 05 May 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
66, Lammas Street, Carmarthen last changed hands on 13th December 2002, selling for £41,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
- Sold Dec 2002£41,000
- Sold Mar 2000£26,500
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 7 sales of comparable properties within 640 metres of 66, Lammas Street, Carmarthen across the last 2 years.
Most recently, 54-55, Water Street, Carmarthen, SA31 1RH, a freehold house, sold at £102,000 on the 16th February 2026.
Read more about house prices in SA31.
- Sold Feb 2026£102,000 | 2 Bed House54-55, Water Street, Carmarthen, SA31 1RH54-55, Water Street, Carmarthen, SA31 1RH
- Sold Apr 2025£160,000 | 2 Bed House5, Blue Street, Carmarthen, SA31 3LQ5, Blue Street, Carmarthen, SA31 3LQ
- Sold Sep 2016£77,000 | 2 Bed House107, St. Catherine Street, Carmarthen, SA31 1RF107, St. Catherine Street, Carmarthen, SA31 1RF
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 66, Lammas Street, Carmarthen as the 68th largest and the 37th most expensive of the 98 addresses on Lammas Street, Carmarthen, SA31.
Against the SA31 postcode district average, it is £135k less expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Carmarthen|700 m away
- Ferryside|10.5 km away
- Kidwelly|13.6 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












