Our Data Sources
42, Derwent Street, Llanelli has no records in the Land Registry and a single entry in the EPC database dated December 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 42, Derwent Street, Llanelli, we estimate a market value of £153,111 and a rental value of £882 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £135,612 and £782 per month respectively.
Plot Size
HM Land Registry records the plot of land for 42, Derwent Street, Llanelli as measuring 227 m2.
That makes it the 4th largest plot in the postcode, where 13 of the 17 other houses have recorded plot data.
Energy Efficiency
42, Derwent Street, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 17 Dec 2025.
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 2015 73 properties similar to 42, Derwent Street, Llanelli have sold within a radius of 650 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 9th September 2025, was 82, Stryd Bennett, Llanelli, SA15 4DE, a freehold house which sold for £150,000.
Read more about house prices in SA15.
- Sold Sep 2025£150,000 | 2 Bed House82, Stryd Bennett, Llanelli, SA15 4DE82, Stryd Bennett, Llanelli, SA15 4DE
- Sold Jun 2025£145,250 | 2 Bed House281, Stryd Bennett, Llanelli, SA15 4DQ281, Stryd Bennett, Llanelli, SA15 4DQ
- Sold Jun 2025£156,000 | 2 Bed House283, Stryd Bennett, Llanelli, SA15 4DQ283, Stryd Bennett, Llanelli, SA15 4DQ
- Sold Jun 2025£155,000 | 2 Bed House78, Stryd Bennett, Llanelli, SA15 4DE78, Stryd Bennett, Llanelli, SA15 4DE
- Sold Apr 2025£158,000 | 2 Bed House27, Stryd Y Maswr, Llanelli, SA15 4DX27, Stryd Y Maswr, Llanelli, SA15 4DX
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 £158,719, ranging from £127,839 to £184,875.
- 40 Derwent Street
3 Bed House | 8 m | Est. Value: £149,398
- 44 Derwent Street
3 Bed House | 10 m | Est. Value: £163,958
- 38 Derwent Street
2 Bed House | 19 m | Est. Value: £127,839
- 46 Derwent Street
3 Bed House | 19 m | Est. Value: £155,169
- 36 Derwent Street
3 Bed House | 28 m | Est. Value: £171,855
Location Comparison
Of the 63 addresses on Derwent Street, Llanelli, SA15, 42, Derwent Street, Llanelli comes out as the 52nd largest and the 40th most expensive in our analysis of the public data.
It is also £48k less expensive than the average property across the SA15 district.
More reading links
Schools Nearby
Public Transport Nearby
- Llanelli|1.4 km away
- Bynea|5.1 km away
- Pembrey & Burry Port|5.4 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.
