Our Data Sources
21, Derwent Street, 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 1 out of 5 and is considered of low 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, Derwent Street, Llanelli, we estimate a market value of £143,268 and a rental value of £884 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £126,894 and £783 per month respectively.
Energy Efficiency
21, Derwent Street, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 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
Since 2008 130 properties similar to 21, Derwent Street, Llanelli have sold within a radius of 620 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 7th November 2025, was 86, Pembrey Road, Llanelli, SA15 3BP, a freehold house which sold for £140,000.
Read more about house prices in SA15.
- Sold Nov 2025£140,000 | 3 Bed House86, Pembrey Road, Llanelli, SA15 3BP86, Pembrey Road, Llanelli, SA15 3BP
- Sold Oct 2025£125,000 | 3 Bed House96, Pembrey Road, Llanelli, SA15 3BP96, Pembrey Road, Llanelli, SA15 3BP
- Sold Aug 2025£76,500 | 3 Bed House59, Pembrey Road, Llanelli, SA15 3BL59, Pembrey Road, Llanelli, SA15 3BL
- Sold Apr 2025£128,000 | 3 Bed House2, Derwent Street, Llanelli, SA15 3EP2, Derwent Street, Llanelli, SA15 3EP
- Sold Jan 2025£128,000 | 3 Bed House10, Derwent Street, Llanelli, SA15 3EP10, Derwent Street, Llanelli, SA15 3EP
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £138,113, ranging from £134,991 to £141,677.
- 19 Derwent Street
3 Bed House | 6 m | Est. Value: £137,884
- 17 Derwent Street
3 Bed House | 11 m | Est. Value: £134,991
- 15 Derwent Street
3 Bed House | 17 m | Est. Value: £141,411
- 29 Derwent Street
3 Bed House | 22 m | Est. Value: £137,166
- 14 Derwent Street
3 Bed House | 27 m | Est. Value: £136,035
Location Comparison
Of the 63 addresses on Derwent Street, Llanelli, SA15, 21, Derwent Street, Llanelli comes out as the 32nd largest and the 55th most expensive in our analysis of the public data.
It is also £54k less expensive than the average property across the SA15 district.
More reading links
Schools Nearby
Public Transport Nearby
- Llanelli|1.3 km away
- Bynea|5.0 km away
- Pembrey & Burry Port|5.5 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.
