Our Data Sources
15, Derwent Street, Llanelli has 2 entries in the Land Registry, most recently in September 2020 and a single entry in the EPC database dated May 2025.
We combine this information with that 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 15, Derwent Street, Llanelli, we estimate a market value of £151,854 and a rental value of £903 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £134,500 and £800 per month respectively.
Plot Size
HM Land Registry records the plot of land for 15, Derwent Street, Llanelli as measuring 149 m2.
That makes it the 6th largest plot in the postcode, where 12 of the 16 other houses have recorded plot data.
Energy Efficiency
15, Derwent Street, Llanelli has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 25 May 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 15, Derwent Street, Llanelli completed on 18th September 2020 at £103,500 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 24.9% over the period since September 2020.
- Sold Sep 2020£103,500
- Sold Mar 2017£85,000
Similar Properties Sold Nearby
Since 2014 136 properties similar to 15, 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 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
- Sold Dec 2024£118,500 | 3 Bed House36, Greenway Street, Llanelli, SA15 3BS36, Greenway Street, Llanelli, SA15 3BS
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 £141,905, ranging from £138,091 to £153,123.
- 17 Derwent Street
3 Bed House | 6 m | Est. Value: £138,133
- 19 Derwent Street
3 Bed House | 11 m | Est. Value: £141,058
- 21 Derwent Street
3 Bed House | 17 m | Est. Value: £139,604
- 10 Derwent Street
3 Bed House | 27 m | Est. Value: £138,091
- 12 Derwent Street
3 Bed House | 28 m | Est. Value: £144,507
Location Comparison
Of the 63 addresses on Derwent Street, Llanelli, SA15, 15, Derwent Street, Llanelli comes out as the 11th largest and the 41st most expensive in our analysis of the public data.
It is also £49k 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.





