Our Data Sources
21, Heol Ffynnon, Llanelli has no records in the Land Registry and a single entry in the EPC database dated October 2024.
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 21, Heol Ffynnon, Llanelli, we estimate a market value of £103,283 and a rental value of £712 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £91,479 and £631 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Heol Ffynnon, Llanelli as measuring 186 m2.
That makes it the 13th largest plot in the postcode, where all 20 other houses have recorded plot data.
Energy Efficiency
21, Heol Ffynnon, Llanelli has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 30 Oct 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
Since 2012 72 properties similar to 21, Heol Ffynnon, Llanelli have sold within a radius of 600 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 4th November 2025, was 69, Llewellyn Street, Llanelli, SA15 1BD, a freehold house which sold for £105,000.
Read more about house prices in SA15.
- Sold Nov 2025£105,000 | 3 Bed House69, Llewellyn Street, Llanelli, SA15 1BD69, Llewellyn Street, Llanelli, SA15 1BD
- Sold Jul 2025£77,000 | 3 Bed House71, Llewellyn Street, Llanelli, SA15 1BD71, Llewellyn Street, Llanelli, SA15 1BD
- Sold Apr 2025£95,000 | 3 Bed House24, Martin Road, Llanelli, SA15 1PU24, Martin Road, Llanelli, SA15 1PU
- Sold Feb 2025£80,000 | 3 Bed House21, Mansel Street, Llanelli, SA15 1DA21, Mansel Street, Llanelli, SA15 1DA
- Sold Dec 2024£85,000 | 3 Bed House59, Llewellyn Street, Llanelli, SA15 1BD59, Llewellyn Street, Llanelli, SA15 1BD
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 £101,878, ranging from £97,662 to £125,538.
- 19 Heol Ffynnon
3 Bed House | 5 m | Est. Value: £98,364
- 25 Heol Ffynnon
3 Bed House | 16 m | Est. Value: £108,564
- 15 Heol Ffynnon
3 Bed House | 17 m | Est. Value: £100,443
- 27 Heol Ffynnon
3 Bed House | 20 m | Est. Value: £98,165
- 13 Heol Ffynnon
3 Bed House | 21 m | Est. Value: £98,364
Location Comparison
Of the 32 addresses on Heol Ffynnon, Llanelli, SA15, 21, Heol Ffynnon, Llanelli comes out as the 22nd largest and the 16th most expensive in our analysis of the public data.
It is also £92k less expensive than the average property across the SA15 district.
More reading links
Schools Nearby
Public Transport Nearby
- Llanelli|900 m away
- Bynea|3.5 km away
- Llangennech|5.1 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












