Our Data Sources
23, Caswell Street, Llanelli has no records in the Land Registry and a single entry in the EPC database dated March 2026.
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 23, Caswell Street, Llanelli, we estimate a market value of £113,451 and a rental value of £774 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £100,485 and £686 per month respectively.
Energy Efficiency
23, Caswell Street, Llanelli has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 19 Mar 2026.
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 2012 132 properties similar to 23, Caswell Street, Llanelli have sold within a radius of 520 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 11th March 2026, was 25, Dolau Fawr, Llanelli, SA15 2HW, a freehold house which sold for £109,995.
Read more about house prices in SA15.
- Sold Mar 2026£109,995 | 3 Bed House25, Dolau Fawr, Llanelli, SA15 2HW25, Dolau Fawr, Llanelli, SA15 2HW
- Sold Sep 2025£124,100 | 3 Bed House84, Firth Road, Llanelli, SA15 1PN84, Firth Road, Llanelli, SA15 1PN
- Sold Jul 2025£85,000 | 3 Bed House24, Emma Street, Llanelli, SA15 1BA24, Emma Street, Llanelli, SA15 1BA
- Sold Jun 2025£118,000 | 3 Bed House40, Grant Street, Llanelli, SA15 1RB40, Grant Street, Llanelli, SA15 1RB
- Sold May 2025£71,000 | 3 Bed House31, Craddock Street, Llanelli, SA15 1BE31, Craddock Street, Llanelli, SA15 1BE
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 £179,903, ranging from £103,315 to £552,671.
- 25 Caswell Street
3 Bed House | 5 m | Est. Value: £122,514
- 31 Caswell Street
3 Bed House | 22 m | Est. Value: £115,508
- 33 Caswell Street
3 Bed House | 27 m | Est. Value: £111,841
- 37 Caswell Street
3 Bed House | 42 m | Est. Value: £103,315
- 39 Caswell Street
3 Bed House | 47 m | Est. Value: £108,049
Location Comparison
Of the 53 addresses on Caswell Street, Llanelli, SA15, 23, Caswell Street, Llanelli comes out as the 43rd largest and the 47th most expensive in our analysis of the public data.
It is also £86k less expensive than the average property across the SA15 district.
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Schools Nearby
Public Transport Nearby
- Llanelli|700 m away
- Bynea|3.6 km away
- Llangennech|5.3 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.





