Our Data Sources
7, Heol Dderwen, Llanelli has no records in the Land Registry and a single entry in the EPC database dated April 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
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 7, Heol Dderwen, Llanelli is in very good condition we estimate a sale value of £145,976 and a rental value of £888 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £129,293 and a rental value of £787 per month.
Plot Size
According to data from HM Land Registry, 7, Heol Dderwen, Llanelli sits on a plot of 255 m2.
We have plot size data on 30 out of 30 other houses in the postcode and 7, Heol Dderwen, Llanelli sits on the 9th largest plot.
Energy Efficiency
7, Heol Dderwen, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Apr 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
According to the Land Registry and our network of Estate Agents, there have been 194 sales of properties similar to 7, Heol Dderwen, Llanelli within a radius of 690 metres since 2020.
The most recent example is 85, Penyfan Road, Llanelli, SA15 1JG, a freehold house which sold for £144,000 on the 8th May 2026.
Read more about house prices in SA15.
- Sold May 2026£144,000 | 3 Bed House85, Penyfan Road, Llanelli, SA15 1JG85, Penyfan Road, Llanelli, SA15 1JG
- Sold Oct 2025£125,000 | 3 Bed House15, Gorsedd, Llanelli, SA15 1JL15, Gorsedd, Llanelli, SA15 1JL
- Sold Aug 2025£136,000 | 3 Bed House22, Heol Dderwen, Llanelli, SA15 1JQ22, Heol Dderwen, Llanelli, SA15 1JQ
- Sold Jul 2025£129,995 | 3 Bed House69, Firth Road, Llanelli, SA15 1PN69, Firth Road, Llanelli, SA15 1PN
- Sold Apr 2025£130,000 | 3 Bed House75, Penyfan Road, Llanelli, SA15 1JG75, Penyfan Road, Llanelli, SA15 1JG
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 £123,611, ranging from £95,178 to £145,014.
- 8 Heol Dderwen
3 Bed House | 9 m | Est. Value: £137,467
- 5 Heol Dderwen
3 Bed House | 18 m | Est. Value: £142,546
- 19 Golygfor
2 Bed House | 22 m | Est. Value: £98,551
- 18 Golygfor
2 Bed House | 24 m | Est. Value: £97,439
- 20 Golygfor
2 Bed House | 27 m | Est. Value: £97,439
Location Comparison
Heol Dderwen, Llanelli, SA15 has a total of 30 addresses. According to our analysis of all the public data, 7, Heol Dderwen, Llanelli is the 12th largest and the 12th most expensive property on the street.
When compared to the postcode district it is £51k less expensive than the average property in SA15.
More reading links
Schools Nearby
Public Transport Nearby
- Llanelli|1.2 km away
- Bynea|3.3 km away
- Llangennech|4.8 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












