Our Data Sources
11, Clos Y Dderwen, Llanelli has a single entry in the Land Registry from March 2017 and a single entry in the EPC database dated December 2025.
We combine this information with that 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 11, Clos Y Dderwen, Llanelli would be worth £334,341, with a potential rental value of £1,341 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £296,131, with a rental value of £1,188 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
11, Clos Y Dderwen, Llanelli occupies a 569 m2 plot as recorded by HM Land Registry.
Of the 25 other houses in this postcode, 23 have recorded plot sizes, and this one ranks as the 15th largest.
Energy Efficiency
11, Clos Y Dderwen, Llanelli has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 03 Dec 2025.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Air source heat pump, radiators, electric.
Sold Prices
11, Clos Y Dderwen, Llanelli last changed hands on 10th March 2017, selling for £230,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 25.2% since March 2017.
- Sold Mar 2017£230,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 88 sales of comparable properties within 1.3 kilometres of 11, Clos Y Dderwen, Llanelli across the last 2 years.
Most recently, 137, Heol Cae Pownd, Llanelli, SA14 7BX, a freehold house, sold at £300,000 on the 16th May 2025.
Read more about house prices in SA14.
- Sold May 2025£300,000 | 4 Bed House137, Heol Cae Pownd, Llanelli, SA14 7BX137, Heol Cae Pownd, Llanelli, SA14 7BX
- Sold Apr 2025£334,995 | 4 Bed House135, Heol Cae Pownd, Llanelli, SA14 7BX135, Heol Cae Pownd, Llanelli, SA14 7BX
- Sold Jun 2022£266,000 | 3 Bed House16, Clos Y Dderwen, Llanelli, SA14 6RN16, Clos Y Dderwen, Llanelli, SA14 6RN
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 11, Clos Y Dderwen, Llanelli as the 22nd largest and the 19th most expensive of the 25 addresses on Clos Y Dderwen, Cross Hands, Llanelli, SA14.
Against the SA14 postcode district average, it is £128k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Ammanford|5.9 km away
- Pantyffynnon|6.3 km away
- Llandybie|7.1 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.












