Our Data Sources
15, Heol Marlais, Ammanford has no records in the the Land Registry and a single entry in the EPC database dated February 2025.
We combine this information with public data 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
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 15, Heol Marlais, Ammanford, we estimate a market value of £213,444 and a rental value of £1,119 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £189,050 and £991 per month respectively.
Plot Size
HM Land Registry records the plot of land for 15, Heol Marlais, Ammanford as measuring 305 m2.
That makes it the 8th largest plot in the postcode, where all 8 other houses have recorded plot data.
Energy Efficiency
15, Heol Marlais, Ammanford has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 06 Feb 2025.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, dual fuel (mineral and wood).
Similar Properties Sold Nearby
Over the past 2 years 151 properties similar to 15, Heol Marlais, Ammanford have sold within a radius of 930 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th May 2025, was 45, Myddynfych Drive, Ammanford, SA18 2EB, a leasehold house which sold for £125,000.
Read more about house prices in SA18.
- Sold May 2025£125,000 | 3 Bed House45, Myddynfych Drive, Ammanford, SA18 2EB45, Myddynfych Drive, Ammanford, SA18 2EB
- Sold Dec 2023£152,500 | 3 Bed House86, Llandybie Road, Ammanford, SA18 2EE86, Llandybie Road, Ammanford, SA18 2EE
- Sold Sep 2021£135,000 | 3 Bed House5, Myddynfych Drive, Ammanford, SA18 2EB5, Myddynfych Drive, Ammanford, SA18 2EB
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 45 addresses on Heol Marlais, Llandybie, Ammanford, SA18, 15, Heol Marlais, Ammanford comes out as the 8th largest and the 8th most expensive in our analysis of the public data.
It is also £3k less expensive than the average property across the SA18 district.
More reading links
Schools Nearby
Public Transport Nearby
- Ammanford|600 m away
- Pantyffynnon|2.4 km away
- Llandybie|3.5 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












