Our Data Sources
21, Old Castle Road, Llanelli has no records in the Land Registry and a single entry in the EPC database dated August 2024.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high 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, Old Castle Road, Llanelli, we estimate a market value of £133,234 and a rental value of £854 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £118,007 and £757 per month respectively.
Energy Efficiency
21, Old Castle Road, Llanelli has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 Aug 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 2019 255 properties similar to 21, Old Castle Road, Llanelli have sold within a radius of 520 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th March 2026, was 7, Ralph Street, Llanelli, SA15 1TU, a freehold house which sold for £115,000.
Read more about house prices in SA15.
- Sold Mar 2026£115,000 | 3 Bed House7, Ralph Street, Llanelli, SA15 1TU7, Ralph Street, Llanelli, SA15 1TU
- Sold Jan 2026£127,000 | 3 Bed House36, Princess Street, Llanelli, SA15 2TD36, Princess Street, Llanelli, SA15 2TD
- Sold Oct 2025£126,000 | 3 Bed House117, Old Castle Road, Llanelli, SA15 2SN117, Old Castle Road, Llanelli, SA15 2SN
- Sold Sep 2025£82,500 | 3 Bed House5, Erw Road, Llanelli, SA15 2TE5, Erw Road, Llanelli, SA15 2TE
- Sold Sep 2025£126,750 | 3 Bed House9, Lakefield Road, Llanelli, SA15 2UE9, Lakefield Road, Llanelli, SA15 2UE
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 £124,721, ranging from £98,496 to £152,665.
- 19 Old Castle Road
3 Bed House | 4 m | Est. Value: £120,278
- 23 Old Castle Road
3 Bed House | 5 m | Est. Value: £127,598
- 17 Old Castle Road
4 Bed House | 10 m | Est. Value: £143,328
- 25 Old Castle Road
3 Bed House | 11 m | Est. Value: £98,496
- 15 Old Castle Road
3 Bed House | 14 m | Est. Value: £121,050
Location Comparison
Of the 99 addresses on Old Castle Road, Llanelli, SA15, 21, Old Castle Road, Llanelli comes out as the 52nd largest and the 69th most expensive in our analysis of the public data.
It is also £63k less expensive than the average property across the SA15 district.
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Schools Nearby
Public Transport Nearby
- Llanelli|800 m away
- Bynea|4.6 km away
- Pembrey & Burry Port|5.8 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.
